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prise, Florida, for which I am indebted to Dr. Christopher
Johnston of Baltimore, Md.

While examining the Charleston mnd, I noticed thiat Smith's
Eupodisoxia radiatuSy as ^described and figured in the first
volume of his *^ Synopsis," is not the same as the form described
under that name by Bailey in 1850. Boper remarked this same
fact (Trans. Mic. Soc., Lond., Vol. VIL p. 19), but was in some
doubt until I had the pleasure of forwarding to him authentic
specimens from Bailey's cabinet, when he wrote to me that the
examination of them confirmed his opinion, that *' Smith was
in error in referring the Thames Diatom to that species. It is
a perfectly distinct and a true Eupodiscus."



XTV. — Description of a new species of Eupstohobtyx.

Bt D. G. Elliot, P.Z,a
BeikdMwofal9,1860.

Enpsychortyx lencoArenatas.

FUie m.

8p. Ch. Top of head, nape of neck, and upper part of throat,
rufous brown. A line commencing above the eye going down
side of head, and one from below the eye running to, and
encircling the throat, white ; each feather tipped with black.
Sides of neck and lower part of throat chesnut, streaked with
black and white. Forepart of back dull pinkish red, with fine
zigzag lines of black ; lower back with scapulars, tertials and
upper tail coverts, brownish ash much blotched with black.
Both edges of tertials yellowish white. Primaries and second-
aries brown, with the outer edge of the latter mottled with



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Descriptions of Three Nevo Species of Summing-iirds. 107

brown and white. Tail much of the color of the upper part
of back, but more mottled with grey. Entire under parts
dark brownish-red, each feather having large blotches of white
edged with black, small on the breast, but becoming larger on
the abdomen. Bill black; feet and tarsi brownish-black.
Length 7i in. ; wing 44 ; tail 2| ; tarsus 1 J.

Sab. — ^Honduras.

Hemarks. — This new species of Eupsychortyx is allied to
iK Sonninii of Temm., but differs in the absence of buff on the
sides of the head, and in having the white blotches of the lower
parts extending nearly to the throat, and not interrupted by a
band of reddish. It can, however, easily be distinguished from
any known species of Eupsychortyx in having two distinct
white stripes on each side of the head, which give to it the
appearance of wearing a bridle. The specimen described was
obtained in Honduras by Mr. Amory Edwards, a gentleman
much attached to Natural History, and brought by him, among
some birds which he had collected during a short sojourn in
that country.

Of the habits of JK leucofrenainjbs I know nothing, but sup-
pose they do not differ from those of the other species of this
genus.



XV. — Descriptions of three new species of Humming'
birds of the Genera Heliomastee, Amaztt.ta, and Mellisuga.

Bt Oko. N. Lawrbick.
BMd April 9, 18M.

Heliomaster Stuartce.

Male adult — Crown metallic bluish-green; nape and hind
neck of a greenish coppery bronze ; back, wing-coverts, rump
and upper tail-coverts of a bronzed green; two middle tail



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108 Descriptions of Three New Species of Humming-hvrds.

feathers dark bronzy green, blackish at the end ; the next one
black, slightly bronzed with green on the outer web ; the three
outer ones black, with their ends tipped with white, on the
two outer ones of an oval shape occupying the centre of the
tip, and on the third feather only white at the apex of the
feather ; on the lower part of the back a concealed spot of
white ; wings brownish purple ; chin black ; throat of aluminous
crimson lilac, inclining to violet ; a blackish line extends under-
neath and beyond the eye, below which is a line of white ;
under plumage ashy-grey, the sides bronzed with dull green ;
a longitudinal stripe of pure white on the pleura ; central and
lower part of abdomen white ; under tail coverts dusky black,
bronzed with dull green at their bases, and largely tipped with
white ; bill and feet black.
Length about 4i inches ; wing 2^ ; bill 1^ ; tail 1^.

Habitat — St. F6 de Bogota, New Granada.

Remarks. — ^In general appearance it much resembles H.
longirostrisy but the black outer tail feathers and dark under
tail coverts, are very distinctive characters ; the throat is rather
darker and diflTers somewhat in shade of color from that species ;
it is also smaller, with the bill and tail shorter, but the wings
decidedly longer, and the central tail feathers proportionately
shorter than in " longirostrisj^^ giving the tail an emarginate
form.

I noticed this bird in a small collection of skins from Bogota,
in the possession of my friend B. L. Stuart, Esq., who had the
kindness to present it to me, and in honor of whose estimable
lady I have named it, herself a proficient in some branches of
science, and always an able advocate for its promotion.

I felt well satisfied on an examination of the above described
specimen, of its specific distinctness from " longirosirisy^ but
finding a second example from the same locality, in the large
collection of this family, belonging to Mr. J. G. Bell, I was
strengthened in my opinion of its being so.



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Descriptions of Three New Species of Summing^irds. 109

Mr. Bell's specimen agrees exactly in its measurements with
mine, differing in color only, in having the back and rump
dark grass-green less tinged with bronze.

Amazilia Xantiuii.

Female. — ^Front adjoining the bill and lores bright rufous,
crown dark-ash with a tinge of pale purple, on a side view dull
green; upper plumage and upper wing coverts light shining
green, in some lights, golden, paler and more golden on the
upper tail-coverts, which are edged with rufous; the two central
tail-feathers light shining green, golden at the end, the other
tail-feathers are chestnut-red, becoming gradually paler to the
outer ones, the two feathers next the middle ones on each side
have longitudinal black spots on the outer side of both webs
near the end, scarcely reaching to the shaft, these spots are
bronzed, the next feather has the same marks but less in extent,
and on the -outer web being merely a marginal line, on the
outer feather it consists only of a small spot on the edge of the
inner web ; the shafts of all the tail feathers are red ; wings
purplish-brown, edged on the bend of the wing with pale
rufons ; over the eye is a stripe of pale rufous which is con-
tinued and 'becomes broader over the ears, where it is white;
below the eye, and extending along the side of the neck, and
under the white stripe, is one of dull rufous brown ; under
surface of the body of a uniform rather pale rufous, on the
sides of the breast and of the body under the wings, intermixed
with green ; under wing-coverts green, marked next the body
with rufous ; vent white ; under tail-coverts pale rufous ; upper
mandible black, under mandible flesh colored for about half
its length, dusky-black at the end; tarsi clothed with pale
rufous feathers; feet black.

Length (measurement sent) 3*30 inches ; wing 2*25 ; tail 1*25 ;
bill 0-70.

Sabitat. — Cape St Lucas, South Califomia.



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110 Descriptwns of Three New Specie^ of Hufnmrnff^birds.

Mema/rJcs. — ^This specimen belongs to the Mnseum of the
Smithsonian Institution, and was sent by Mr. John Xantns,
whose investigations in the Ornithology of Western North
America have been the means of adding many new birds to
science. In compliment to him I have named it

I do not feel assured that it is right to place it in Amazilia,
but in coloring it seems to be more like the members of this
genus than those of any other, but differs from them all in
having a superciliary stripe. It came labelled as a female,
from which the plumage of the male may vary, but if arranged
in its true position generically, it should not differ much, as Mr.
Gould, in the species figured by him, makes but little difference
in the sexes.



niellisasa lUerrittil.

Crown metallic bluish-green, changing to violet in some posi-
tions; back and upper wing-coverts grass-green, changing to
lustrous golden-green ; upper tail-coverts shining grass-green,
tail dark shining green, bronzed near the end of the central
tail-feathers ; all the other feathers cros3ed with a subterminal
band of dark steel-blue, ending broadly with greyish-white ;
wings dark purple ; under-plumnge cinereous-grey, with a wash
of very pale buff; the sides of the neck and also of the body
intermixed with golden-green ; under tail-coverts grey ; a line
under the eye, and the ear-coverts dusky; bill apparently yel-
low ; tarsi clothed with greyish-white feathers ; feet black.

Length 2f inches ; wing IH ; tail 1 ; bill tV*

Hahitat. — Veraguas, New Grenada. Discovered by Dr. J.
K. Merritt, whose name I have conferred upon it

Remarks. — ^I have placed it in Mellisuga as it comes nearer
to M. minima^ found in Jamaica (the sole representative of
that genus), than any other bird I am acquainted with ; the tail
feathers are, however, much broader and differently colored, but



\



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Desoripiiona of Three New Species of Hymmmg-hi/rds, 111

in the coloring of its npper and under plumage it mucli resem-
bles that species.

At first I was inclined to consider it a young bird, but Dr.
Merritt informed me, that he noticed several others all agreeing
in the grey color below, which particularly called his attention
to them. He thinks it is in mature plumage.

I am happy in being able to add a communication from Dr.
Merritt, giving some of the habits of this diminutive species,
which will be read with interest.

''The following observations and incidents were connected with the
capture of the specimen of Humming-bird recently given to you for
scientific examination.

'^ As you are aware, I having some years ago given my attention to
the varieties of the Humming-bird species in the district of Belen, Pro-
vince of Veraguas, New Grenada, and since then having been stationed
in the adjoining district of £1 Mineral in the same province, I was
induced to observe if there might not be here varieties of this iamily,
which I had not encountered in Belen, although only fifteen miles
distant.

'* In the section of El Mineral there has been a slight attempt at cul-
tivation of the soil and planting of fruit-trees, which is not the case at
Belen. The Orange, Guama, and Guayava trees are the most numerous,
particularly the last named, which is very prolific, bearing nearly through-
out the year fruit in all its stages, from the blossom to maturity. Con-
sequently the Guayava tree is the favorite resort of the Humming-bird.

** I often would watch those little creatures feeding and quarrelling
around a tree near the door of my palm-leaf hut, and soon my attention
was especially attracted to one much smaller than the rest, whose
pugnacity and indomitable ' pluck* greatly amused me. Upon closer
observation of this diminutive feathered warrior my interest increased,
as soon as I became satisfied it was a variety new to me, and not noticed
in Belen.

^ I frequently afterwards saw a number of specimens of this variety of
Humming-bird, and almost invariably encountered them feeding from
the blossoms of the Guayava, and I therefore conclude they are quite
local in their habitat''



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112 Description of Two New Species of the Oerms Batissa.

XVI. — Description of TWO new 8PE0lEa of the Genus
Batissa, loith Notes on that Genus.

Bt TniFLx Pbdol
BMidDMemberlS,18(».

The genus Batissa was established a few years ago by Gray
for a class of the genus Cyrena, represented by the Cyrena
violacea Lamarck, which he thought differed sufficiently from
Cyrena to constitute a distinct genus. Since then the genus
Batissa has been adopted by Deshayes in the Proceedings of
the Zoological Society of London, 1854, and by the brothers
Adams in their recent work.

The species of this genus, of which I append a list, are as
yet not numerous.

Batissa gigRUten, Prime.

T. ovato-orbiculari, oblique insequilaterali, tumid&, 8olidissim&, magui,
intos a1b&, epidennide brannell vestit^ solcis remotis, umbonibus pro-
minentibus, antice inclinatis ; dentibus cardinalibos tribus, inasquilatera-
libus, brevibua, crassioribus ; lateralibus angustis, serrulatis.

Ix>ng. 5^, lat 4|, diam. 2^ inches.

Jffah. — ! Collect Jay.

This is the largest known species of this genus. One speci-
men, which is in the collection of Dr. Jay, was brought to this
country by the Expedition sent to Japan under Commodore
Perry, without, however, any data as to the locality where it
was found.

In general outline it bears some resemblance to the £. insignis^
Deshayes.

Batissa similis Prime.

T. ovato-orbiculari, oblique insequilaterali, tumidly solidft, dcpressft,
intos Bupeme albA, postice infemeque Tiolaceft, epidermide nigr& vestitft,



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Description of Two Nefw Species of the Genus Batissa. 113

solcis remotis, nmboDibas proftinde croais ; dentibas cardinalibus tribus,
BubseqQalibQs, caniculatis ; lateralibus elongatis, angnstis, sobsequalibas,
sermlatis.

Long. 8^, lat. 2j^, diam. 1^ inches.

Hah. — ^Nicobar. Collect, auctoris.

This species, of which I received one specimen through Mr.
Bemardi of Paris, is somewhat like the B. Kerandreniay bnt
is less inflated, and posteriorly less elongated.

List of the Jcnown Species.

BATISSA GRAY.

STNoimrr of thi OsmiB.

Cyprina and Cyclas Brug. 1792. — (7yrena Lamk. 1818. — Batissa
Gray, 1854.

Species.

1 • atrata Desh. Proc. Zool. XXII. 14, 1854.
BTab. ?

3. Alistralis Desh. Loo. sup. cit XXTT. 346, 1854.
Mob. Australia.

3. Childrenae Adams Rec. Gen. 2, 448, 1858.

Cyprina Idandica Brug. Encycl. m6th. pi. 301, f. 1, 1792.
Edb. Phil. Islds.

4. eompressa Prime Proc. Zool. XXYIII. i860.
Sah. Borneo.

5. eorbienloides Desh. Proc. Zool. XXII. 14, 1854.
Sab. N. Guinea.

6. elongrata Pr. Proc Zool. XXYIIL 1860.
Bob. N. Caledonia.

— eximia Ads, rec. gen. 2, 446, 1858. — Oyrena eximia Bunker.

7. fortis Pr. Proc. Zool. XXVIIL 1860.
Hah. N. Caledonia.



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114 Description of Two New Species of the Genus BaUssa.

8. Aiscata Pr. Proc. Zool. XXVIIL i860.
Hob. ?

9. grisrantea Pr. Ann. N. Y. Lye. Vol. vn. 1860.
Hah. ?

10. srracilis Pr. Proc Zool. XXYHI. 1860.
Mab. ?

11. humerosa Desh. Proc. Zool. XXTT. 14, 1854.
Hob. N. Guinea.

la. inflata Pr. Proc ZooL XXVIIL 1860.
Hab. Nicobar Islds.

13. insisrnis Desh. Proc ZooL XU. 13, 1854.
Eab. PhiL Ifilds.

14. Jayensis Ads. Bee Gen. 2, 448, 1858.

Cyrena Jayensis Lea. Trans. Amer. Phil. Soc V. 108, pi. 1*7,
f. 52, 1832.

Hob. Sumatra.
Iff. Kerandrenla Ads. Rec Gen. 2, 448, 1858.

Cyrena Kerandrenia Less. Voy. Coq. 2, 429, pi. 11, £ 3, 1829.
Hah. Wiaugiou.

16. lenticplaris Desh. Proc Zool. XXIL 14, 1854.
Hob. PhiL Ifilds.

17. megradesma Desh. Loc sup. cit xxn. 14, 1854.
Hah. ?

18. minor Pr. Proc Zool. XXVHL 1860.
Hab. Fejee Islds.

19. Obesa' Ads. Rec Gen. 2, 448, 1858.

Cyrena obesa Hinds. Ann. Mag. N. H. n. ser. X. 81, 1842. —
Voy. Sulph. 2, 66, pi. XXL f. 6,' 1844.
Hab. Fejee Islds.

90. prodncta Desh. Proc Zool. XXTT. 13, 1854.
Hab. PhiL Islds.



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Bemarks on Certain Species of JT. A. Selicidw. 115
31. rotandata Ads. Rec. Gen. 2, 448, 1858.

Cyrena rotundata Lea. Trans. Amer. Phil. Soc. v. 107, pi. lY,
f. 61, 1832.
Mai. £. Indies.

aa. simiUs Pr. Ann. N. Y. Lye. Vol. VU. 1860.
Mai. Nicobar.

93. sphttricnla Pr. MSS. 1859.— Collect auctoris.
Cyrena violacea (var. Javan%ca)y Mous. Moll. Java. 88, pi. XV. £ 1,

1849. '
M(A. Java.

94. tenebrosa Ads. Rec. Gen. 2, 448, 1858.

Cyrena tenebrosa Hinds. Ann. Mag. N. H. n. ser. X. 81, 1842. —
Voy. Sulph. 2, 66, pi. XXL £ 7, 1844.
Bab. Fejeelslds.

9ff. triqaetra Desh. Proc. Zool. XXIL is, 1854.
Bai. Pha. Islds.

96. miioiiiforillis Pr. Proc. Zool. XXVllL 1860.
Bab. ?

97« TlOlacea Ads. Rec Gen. 2, 448, 1858.
Cyclas violacea Lam. Ann. Mus. VII. 421, 1806.
Cyclas violacea Lam. V. 553, 1818. — Lam. (Desh. edit.) VI. 1835.
— Delast pi. VILf. 5, 1841.
Bai. The East



XVIL — Remarks on Certain Species of North American

Helicidjs.

Bt Thomas Blakd.
{OonHnu4d from p. 89.)
Beftd^March6»18M. .

Helix espiloca RaTenel.

Plate IV. ^. 1-2.

T. rimata-perforat&, snpeme convexiuscul^, subtms convex^ striata
nife8centeHX>nie&, tenoiy pilis brevissimis obsitit; spirit vix elevate ; anfr.



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116 Remarks on Certam Species of N. A. Hdicidas.

5 cbnvexiuscalis, ultimo ad apertaram breviter deflezo, disjancto, scro-
bicalato-constricto ; aperturA perobliqul^ Babreniformi, coarctati ; perist
acuto, continuo, marginibus lamelld superne excavate, dentem lingui-
formem emittente, junctis; dextro lamella latA ancatH, basali dente
lamelliformi, erecto, intra aperturara producto et recorvato, instructo.

Shell perforate, above slightly convex, beneath convex,
striated, reddish-horn colored, thin, with very short hairs ; spire
scarcely elevated ; whorls 5, rather convex, the last deflected
and turned outwards from the preceding one, scrobiculate,
constricted, grooved within the umbilical region ; aperture very
oblique, subreniform, contracted ; peristome acute, continuous,
the margins joined by a lamella, excavated above, and pro-
duced into a tongue-shaped tooth ; the right margin having a
broad hooked lamella, and the base an erect lamelliform tooth
produced into and recurved within the aperture.

Diam. maj. 9, min. 8, Alt 4, mill.

" " 7 " 6 " 3 " YM. minor.

Habitat. — Sullivan's Island, South Carolina. Dr. E. Ravenel 1

Observations. — ^This species is certainly distinct from the
otliers of the group. In the form of the parietal process,^ it is
intermediate between H. PosteUiana and H. avara^ but most
like the latter; the teeth on the peristome are very similar to
those in the former, but beneath it is less inflated, the umbi-
lical region is wider, showing more of the penultimate whorl,
and it is hirsute.

I am indebted for this species to Dr. Edmund Ravenel, and
adopt the name suggested by him in correspondence with Say.
He informs me that many years ago he collected specimens,
and thinking the shell undescribed, forwarded some to Say,
with the following label, which is still in his possession, " H.
avara Say ? probably new, if so call it H. espiloca." Say con-
sidered them to be avara."*

* See Extracts from Dr. Raveners letters at page 124 I am indebted to Mrs.

Say for specimens of H. PotUlUana, with label ** Helix 1 Swamps of S. Car."

written by Dr. Barenel, with the specifio name ** avara S" added by S«y.



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Rema/rTc8 on Certam Species of N. A, SdiddcB, 117

Seeing that Say pronounced this species and H. Postelliana
to be avara^ I can understand the remarks of Dr. Binney
quoted by me, Annals Vol. VII. p. 31, but still am under the
impression that he could not have seen the shell described by
Say as H. avara.

Helix introferens, hot. sp.

Plate IV. fig. 3-4.

T. umbilicat4, depre8so^lobo8&, tenuiu8cul&, co8tulato-striat&, comeo-
lutea ; spirit convex^ ; anfr. 6, convexiusculis, ultimo antice vix deflexo,
ad aperturam valde constricto, bicrobiculato, ad peripheriam subangulato,
basi convexo, intra umbilicum excavate ; apertur4 obliqa^ Innari, dente
liDgaiformi ya1ido,flexuo80, in pariete aperturali intrante coarctat^ ; perist.
albo, intns calloso, reflexo, margine dextro dente obtuse introrsum flcxo,
basali dente lanQeUiformi sobmarginali, in medio transversim tuberculato,
instructo ; dente inferior! intra aperturam producto, tuberculnm validum
formante.

Shell umbilicate, globose, depressed, thin, with riblike striae,
yellowish horn colored ; spire convex, whorls six, moderately
convex, the last scarcely descending, much constricted at the
aperture, with two exterior pits, subangular at the periphery,
convex beneath, grooved within the umbilicus; aperture
oblique, lunate, with well developed arcuate parietal tooth ;
peristome white, thickened within, reflected ; on the right mar-
gin an obtuse inflected tooth, at the base a submarginal lamelli-
form tooth, with transverse tubercle in the centre ; the basal
lamella continued within the aperture, where it forms a strong
white tubercle.

Diam. maj. 15, min. 13. Alt. 7, mill. spec, from' Dr. Budd's
cabinet.

Diam. maj. 13, min. 11/ Alt 7, mill. spec, from Gaston Co.
N. Car., Wheatley.

Var. minor, anfr 5.



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118 Remarks on Certam Species of Jf. A. HeUddcB.

Diam. maj. 11, min. 9, Alt 6, mill. spec, from Salem, N. Oar.
Hartvig !

Habitat. — Gkston Co., N. Car., Wheadey. Salem, N. Car.,
Hartvig !

Rema/rka. — ^This shell is closely allied to the Texan species,
H. wltuosa Gould, and also to H, faUax Say. It differs from
the latter in the narrower umbilicus, which only shows the
penultimate whorl ; in the groove in the last whorl within the
umbilical opening, the character of the basal tooth, and the
internal tubercle (a modification of the fulcrum of Lea), which
does not prevail mfaUax and its immediate allies triderUaia and
Hopetonensia. In H, intnroferena the upper tooth is less deeply
seated and less inflected, and the basal one is broader, and more
elevated than in vuUtwsay the parietal tooth is more arcuate,
being indeed subangular, but is without the indication, notice-
able in Gould's species, of a callus extending from its lower
termination towards the upper angle of the lip. H wlPuoaa
is even smaller than the var. minor of my species.

Several years ago I received four or five specimens from Dr.
Budd, and noticed the tubercle within the aperture, subse-
quently Mr. Wheatley gave me the only one in his cabinet, and
the Rev. Mr. Hartvig sent me several collected by himself at
Salem, N. C, where he then resided.

Helix Christyi, hot. sp.

Plate IV. fig. 5-6.

T. imperforate depressa, solidul^ confertim costulato-striatS, fusco-
come^; spir^ brevi, obtusA; anfr. 4|^ convexiusculis, ultimo ad aper-
turam deflexo, constricto, superne gibbo, ad peripberiam subangnlato ;
basi coDvexo, in medio excavato ; apertur^ depress^ dente lamelliformi
valido, obliquo, in pariete aperturali intrante coarctatii ; perist. reflexo,
intus albo-calloso.



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Remarks on Certain Species of N. A. SeUcidce. 119

Shell imperforate, depressed, rather solid, with nnmerons
oblique rib-like striae, dark hom-colored; spire short, obtnse;
whorls 4J, rather convex, the last descending at the aperture,
slightly angular at the periphery, constricted, above gibbous ;
base convex, excavated in the middle ; aperture depressed, with
a strong oblique lamelliform parietal tooth ; peristome reflected,
with a white callus within.

Diam. maj. 10, min. 8, Alt 4J, mill.

Habitat. — ^Mountains in Cherokee Co., N. Carolina, David
Christy!

Rema/rJcs, — ^This shell has curious aflSnities with other North
American species. Without a hairy epidermis, and having the
rib-like strice of the small varieties of H. tridentata Say, it has
the form of aperture, parietal tooth, and peristome of H, i/nflecta
^9Lj. Having a parietal tooth only, it is allied to H, monodon
Back ; but independently of the form of the tooth being like
that of H. injlecta^ its closer relation to the latter is shown by
the absence of the fvlcrum^ which is characteristic of the
former. Being imperforate, and having the single tooth, this
species is also allied to H. germana Gould, from Oregon, but
it is less globose, and the epidermis and sculpturing are entirely
different



Helix l¥heatleyi, noT. sp.

Plate IV. ^g. 1.

T. imperforate, depresse conoideo-globosA, tenuiuscul^, rufescente-
come4, conferte costulato-striate, sub lente minute granulate, pills bre-
vissimia omat& ; 8pir& breviter conoide^ ; 8utur& valde impressli ; anfr. 5j^,
convexioscolis, ultimo rotandato,ad aperturam breviter deflexo, constricto .
basi convexo, circa columellam ezcavato; apertur^ obliqu&, lunari,
pariete apertarali tuberculo dentiformi parvo munito; perist acnto, roseo-
labiato, sequaliter angulatim reflexo, columellari adnato.

▲PBIL» ISaOi 9 Am. Lto. Nat. HiRi Vou VH.



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120 Eema/rJcs on Certain Species of Jf. A. HeUddw.

Shell imperforate, depressed, conoid-globose, thin, reddish
horn-colored, with numerous rib-like striae, and microscopic
granulations with very short hairs ; spire shortly conoid ; suture
deeply impressed ; whorls 6J-, rather convex, the last rounded,
slightly -depressed at the aperture, constricted; base convex,



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