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Philip P. (Philip Pearsall) Carpenter.

The mollusks of western North America online

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-420. Cimcellaria modesta, n. s. Like Trickotrojris borealis, with two slanting |r<vjta
and spiral ribs travelling up the paries. See also p. 615 ; nos. 403, 8t7.

146



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA.



r-


Nutt.


Jew.


B.A.


Smiths. Ins.


Ken.


Lord.


Swan.


Cooper.


427. Trichotropis cancellata . .
428. inermis . . ....


C

C


"c

B
B
B

B
C
B


p

p
p
p

p

c

00



ID

VP
L

i

F

D
M


P
~P

P
P
P

P
P


V
V


V
V
V
V
V
V
V

V


D

D
M
BD
DI
MI

MDI
D
DI
MDI
D


429. Velutina Isevigata


430. prolongata


431. Natica clausa


432. Lunatia Lewisii


433. pallida


434. Neverita Recluziana ....
435. Priene Oregonensis
436. Ranella Californica


437. Mitra maura


438. Marginella Jewettii ....
439. subtrigona


440. regularis


441. Volutella pyriformis ....
442. Volvarina varia .


443. Olivella biplicata


V
V


444. bsetica




427. Trichotropis cancellata, Hds. Sulph. Sculpture strong, open. Epidermis bristly.
428. Trichotropis inermis, Hds. Sulph. Sculpture faint : not bristly.



429.
430.

431.
432.

433.
434.



435.
436.



438.

439.
440.

441.
4*2.



443.
444.



Family Velutinidce.

Velutina lavigata. Linn. Fbs. & Hani. Exactly accords with British speci-
mens. ? = Kamtschatkana, Desh.
Velutina prolongata, n. s. Spire very small. Labrum produced in front.

Family Naticida.

Natica clausa, Brod. & Sby. Umbilicus closed. Operc. shelly. Circumboreal.

Lunatia Lewisii, Gld. E. E. = hercul&a, Midd. Whirls flattened behind. Abun-
dant on beach, Cp.

Lunatia pallida, Br. & Sby. = caurina+soluta, Gld. Globular, compact, whitish.
Boreal.

Neverita Recluziana, Petit, Eve. Large, solid, raised, with brown grooved
lump on pillar. Also Guaymas.

Family Tritonidce.

Priene Oregonensis, Redf. Like cancellata, but coarser sculpture. 6fm. Lyall.
Ranella Californica, Hds. Sulph. Scarcely differs from fine specimens of R.
ventricosa, in Mus. Cum.

Family Fasciolarida.

Mitra maura, Swains. Nutt. = orientalis, Gray=' Chilensis, Gray,' Kien. Very
dark and plain. Peru. Sand between rocks, 1. w. Cum. Peru.

Family Marginellidce.
Marginella Jewettii, Cpr. P. Z. S. 1856, p. 207. Like the Mogador species,

somewhat shorter and broader. 10-20 fm. Cp.
Marginella subtrigona, n. s. Shape of Erato cohtmbella.
Marginella regidaris, n. s. Between Jewettii and minor, C. B. Ad. Maz. Cat.

no. 587. Beach-20 fm. Cp.
Volutella pyriformis, n. s. Genus of Swainson (not D'Orb.) = Closia } Gray.

Like V. margaritula, Maz. Cat. no. 589, but produced in front.
Volvarina varia, Sby. C. S. Lucas, W. Indies.

Family Olivida.

O'ivella biplicata, Sby. Tank. ~ylandinaria, Nutt. Nut-shaped.
Olivella bcetica, n. s. Narrow, dull, thin : has been erroneously called anazara,
teryina, petiolita ) and rujifasciata.

147



REPORT 1863.





Nut 4 .


Jew.


B.A.


Smiths. Ins


Ken.


Lord.


Swan.


Cooper.










pn




P




v


D


416 _^_ perpiiiftiis




B


o


(?P)L








BDI




















I


448. mendica





f)


p


POF


P


V


v


MD


449. Cooperi
450 teo-ula







?

T,f!


L








DI
D







B


P


VD


P


V


v


M


452 ? Californiana ....




"R


n
















Bfs










y


MDI


4-54. ? chrysalloidea ....
455 P undata





















D
I


456. ? Truncaria corrugata ....
457. Columbella carinata ....
4576 ^vctr Hindsii ... .





B
B




c

D


VPFMI


P





V

v


DI
MDI
MD


458. Purpura crispata


o


F


f!


VPOF


P


V


V


F


459. canaliculata








VF




V


V




460. saxicola


_


n


o


VPF


P


v


V


FI


4006 var fuscata






p








v




460 c. var. emarginata . .
QOd var ostrina


B


B

F


c
c


D
POC


P


v


v


D
FD





















Family Buccinida.

445. Nassa fossata, Gld. E. E. = eleyans, Rve. non Desh. Large, broad, flattened spire.

446. Nassa perpinguis, Hds. Sulph. Same type, smaller, rounder, narrower.

447. Nassa inscidpta, n. s. Zeuxis, with varix and non-reflexed callus. Spirally

grooved. 40 fm. living, r. Op.

448. Nassa mendica, Gld. E. E. -f Gibbesii, Coop. = Woodivardii, Fbs. Very variable :

some forms approach, trivittata.

449. Nassa Cooperi, Fbs. P. Z. S. 1850, p. 273. Like mendica, with 7 distant ribs,

and fine spiral sculpture.

450. Nassa tegula, Rve. Maz. Cat. no. 624. From Southern fauna.

451. Amycla gausapata, Gld. E. E. (Genus rearranged for Columbellids with Nas-

soid opercula, probably including Alia and Astyris.) Strong, solid, varie-
gated, smooth.

452. Amycla ? Californiana, Gask. P. Z. S. 1851, p. 12. Whirls more swollen.

453. Amycla tulerosa, n. s. Very close to minor, Scacchi, but with different nu-

cleus. 8-10 fm. c. Cp.

454. ? Amycla chrysalloidea, n. s. Shape of Truncaria eurytoides, but mouth not

effuse : spirally fun-owed. Shoal-water, Op.

455. ? Amycla ttndata, n. s. Like stumpy, small corrugata, with waved sculpture.

40 fm. not r. Cp.

456. ? Truncaria corrugata, Rve. Conch. Ic. (" Succinum:" " Pisania," Add. May

be an Amycla.) Large, with waved ribs and spiral striae. Dwarfed at 40
fm. Cp.

457. " Columbella " carinata, Hds. Sulph. Small, turrited, smooth, with stout pos-

terior keel. (Perhaps Amycla.) Beach, Cp.
4576. Columbella ?var. Hindsii, Rve. Keel shorter, till it ceases, as in gamapata.

Family Purpuridee.

458. Purpura crispata, Chem.=:plicata, Mart. = lactuca, ~Esch.=septentrionalis, Rve.

-f &c. Large, strong, canal distinct, smooth or foliated.

459. Purpura canaliculata, T)iicl.=:dccemco8tata, Midd.-\-aUenuata,~Rve.-}-analo(jra,

Fbs. With elegant spiral grooves. Chrysodomoid.
400. Purpura saxicola^ ?i\. lapillus, Coop. Like the Atlantic species, rough, pillar

scooped, with brown spiral lines.

4606. Purpura var. fuscata, Fbs. Raised thin form, dull, with faint sculpture.
460c. Purpura var. emarginata, Desh. Short, swollen, with scaly sculpture.
400 d. Purpura var. ostrina, Gld. E. E. Short, swollen, nearly smooth.

148



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA.



663





Nutt,


Jew.


B.A.


.Smiths. Ins.


Ken.


Lord.


Swan.


Cooper.


4(51. Monoceros engonatum . .
4616. ?var. spiratum . . . .
462. lapilloides
463. Ocinebra lurida and vars.
434. interfossa . ...


B
B

"o




BA

?B
B

"i

C

B
B/.


C

C



C
C
D



L
LC

P

?

A


D

D
FI
MI
L
PODI/a.

L
I
M

(

D
V


P
P

P

P
P

?Pjn


V
V

V

V
V

V


V
V

V
V
V

V


DI
I
I
M jun.I
Mjun.

DI
?D
D
MD

D
MBDI


465. ? Poulsoni


466. Cerostoma foliatum ....
467. Nuttallii


468. monoceros


469. Chorus Belcheri


470. Nitidella Gouldii


471. Pedicularia Californica . .
472. Pteronotus fe stivers


473. Muricidea Californica ....
474. Trophon multicostatus . .
475 Orpheus


476. triancrulatus


I
BD

?I


477. Siphonalia Kellettii
478. fuscotincta


479. Chrysodomus tabulatus . .
480. liratus





461. Monoceros engonatum, Conr.=unicarinatum, Sby. Brown-dotted, with sharp

posterior keel, smoothish. Beach, Cp.
4616. Monoceros ?var. spiratum (Blainv.). Light colour ; scaly; horn not developed.

462. Monoceros lapilloides, Conr.=j9WHefotfMm,Gray-f brevidens, Com-. Not should-

ered : shape of lapillus.

463. Ocinebra lurida, Midd. (Genus reconstituted for Muricoid Purpurids with

irregular varices.) Like canaliculata, brown, with swelling ribs. Beach on

Cat. Is. living. Cp.

463b.Ocinebra var. aspera, Baird. Sculpture rough.
463 c. Ocinebra var. munda. Tall, with faint sculpture.

464. Ocinebra interfossa, n. s. Purple- brown, with latticed sculpture.

465. ? Ocinebra Poulsoni, Nutt. Shape like M. monoceros, with brown spiral lines.

466. Cerostoma foliatum, Gmo[.=:monodon, Esch. Large, with winged varices.

467. Cerostoma Nuttallii, Conr. Smaller, pear-shaped : interstices scarcely sculptured.

468. Cerostoma monoceros, Sby. Spire raised : whirls rough, rounded.

469. Chorus Belcheri, Hds. Sulph. Very large, with irregular varices like Trophon.

L. w. com. Cp.

470. Nitidella Gouldii, Cpr. P. Z. S. 1856, p. 208. Slender : like thin A. gausapata,

with Purpuroid operc.

471. Pedicularia Californica, Newc. Small, purple, highly sculptured.

Family Muricida.

472. Pteronotus festivus, Hds. Sulph. Form irregular ; frills reflexed.

473. Muricidea Calif arnica, Hds. Sulph. Varices faintly developed. L.w.-20fm. Cp.

474. Trophon multicostatus t Esch. = Guaneri, Lov. live. Frills spiny behind : not



sculptured spirally. Circumpolar.

Trophon Orpheus, Gld. E. E. Like the iasfe, with distant spiral riblets.
Trophon triangulatus, n. s. Typhoid shape : frills triangular, white. 60 fm. Cp.
Siphonalia Kdlettii, Fbs. P. Z. S. 1850, p. 274. Very lai



475.
476.
477.

swollen whirls. Also Japan. 1 living *6| in. long.

478. Siphonalia fuscotincta, n. s. Like the same in extreme miniature.

479. Chrysodomns tabulatus, Baird, P. Z. S. 1863, p. 66. Large, with posterior keel,

and delicate sculpture. 120 fm. dead, Cat. Is. Cp.

4.80. Chrysodomus liratus, Mart. = dccemcostatus, Midd. (? Say) = MiddendorffH, Coop.
Swollen, with distant keels. Whidby's Is.

149



064



REPORT 1863.





Nutt.


Jew.


B.A.


Smiths. Ins.


Ken.


Lord.


Swan.


Coouer.


481 ChiTSodomus dims






P


VI


P


V


v




432. rectirostris












P












B/>


c


FMI








BDI


484 Macron Kellettii






L


L








pT


485. lividus









L








D


486 Anachis subturrita
















D


487. ? penicillata




B












DI


488. Argonauta Argo
















I


489. Octopus pimctatus








fFL)


?p




py


I


490. Ommastrephes giganteus .
491 Ayresii




















I
I


492. Onychoteuthis fusiformis .











?M


?P








I



481. Chrysodomus dirus, Rve. = ewctsws, Gld. = Sitchensis, Midd. Dark liver, with

spiral grooves.

482. Chrysodomus rectirostris, n. s. Small, white, smooth, with straight canal.

483. Fusus ambustw, Gld. Otia. Close to clavata, Brocchi, from Mediterranean.

Farallone Is. teste Darbishire ; 16 fm. c. Cp.

484. Macron Kellettii, A. Ad. P. Z. S. 1853, p. 185. Large, with blunt keels. Dead,

CO fin. Cat. Is. Cp. .

485. Macron lividus, A. Ad. Small, smooth.

486. Anachis subturrita, n. s. Aspect of small Rissoina. 20 faint ribs : no spiral

sculpture.

487. ? Anachis penicillata, n. s. Small, with Metuloid sculpture. Beach-10 fm. Cp.

Class CEPHALOPODA. Family Argonautida.

488. Argonauta Argo, Linn. auct. Like the Mediterranean form. Hundreds on Sta
. Cruz Is. Cp.

Family Qctopidce.

489. Octopus punctatus, Gabb, Proc. Cal. Ac. 1862, p. 170. S. Clemente Is. Cp.

Family Loligida.

490. Ommastrephes giganteus, D'Orb. Peru. Common at S. Clemente Is. Cp.

491. Ommastrephes Ayresii, Gabb, Proc. Cal. Ac. Huu-ireds on S. Clemente Is. Cp.

492. Onychotcuthis fusiformis, Gabb, Proc. Cal. Ac. 1802. p. 171. " Cape Horn.

Mus. Ac." S. Clemente Is. Cp.

113. It remains to tabulate the shells which have been received from
special localities, south of the State of California, cither by the writer or by
the Smithsonian Institution; -vide Br. Assoc. Rep., par. 77.

The promontory of Lower California has been so little explored, that the
existence of a large inland fiord, in lat. 28, was not known to the autho-
rities. It appears that the whales have long delighted in its quiet waters;
and those whalers who were in the secret carefully preserved the exclusive
knowledge of so profitable a hunting-ground. All that we know at present
of the molluscs of that region is from collections made at Cerros Island, by
Dr. Ayres and Dr. Yeitsch. They are mostly shore shells, and are sadly
intermixed with an abundance of cowries, cones, strombs, and other clearly
Pacific species, which throw great doubt upon those which may be truly
from the coast. As it is manifestly a " hotbed of spurious species," nothing
can safely be built upon the data, which present a singnlnr intermixture of
northern and southern forms. Excluding the Central Pacific importations,
the lists stand as follows, the temperate species being distinguished (as in the
first Report) by a *, the tropical by a t :

150



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA,



665



"Sanguinolaria Nuttalli.

*Macoma secta.

Angulus Gouldii.
*fHeterodonax bimaculatus.

*Donax Calif ornicus.

tDonax punctatostriatus.

*Standella ? Californica.

*Pachydesma crassatelloides.
*fAmiantis callosa.

*Chione siinillima.

tC hi one neglecta.

*Tapes staminea, Conr.

t Tapes grata and vars.

*Lucina Californica.
> Lucina bella.

*Mytilus edulis. (One young specimen,
perhaps from San Francisco.)

*Septifer bifurcatus.

tPecten subnodosus, ventricosus.

*Pecten monotimeris and vars.

*Hinnites giganteus.
*tOstrea conchaphila.
*fAnomia Plampe.

Siphonaria Eequilirata.
"fMelampus olivaceus.

Helix arrosa.
*fBulla nebulosa.
*flschnochiton Magdalensis.

*Acmsea persona, var. textilis.



*Trochiscus Norrisii.
*0mphalius Pfuscescens.
*Omphalius aureotinctus.
fCrucibulum imbricatum.
*tCrucibulum spinosum.
tCrepidula arenata and var.
tCerithium uncinatum.
*Cerithidea pullata.
tCerithidea Montagnei.
*Litorina planaxis.

Luponia sp. ind., jim.
tTrivia Solandri.
*Trivia Californica.

Drillia penicillata.

Myurella, sp.
*tNeverita Recluziana.
tNatica Maroccana.
*Scalaria (Ind. var.) tincta.
fBezoardica abbreviata.
fLeucozonia cingulata.
fStrigatella tristis.
*0i:vellabiplicata.
*Purpura ostrina, vars.
fPurpura biserialis.

Monoceros lu^ubre.
fVitularia salebrosa.

Cerostoma monoceros.

Ocinebra Poulsoni.

Chorus Belcheri.
tColumbella fuscata.
*Columbella carinata.
fSfrombina gibberula.
fAnachis coronata.
*fNassa tegula.
fNassa complanata.

Macron Kellettii.
*Macron lividus.



*Acni8ea scabra, var. limatula.
*Acm8ea Pspectrum, jun.
*Lottia gigantea.
*Lucapina crenulata.
*Fissurella volcano.
*Haliotis splendens.
*Haliotis Cracherodii.
*Pomaulax u.ndosus.
Callopoma tessellatuni=Fokkesii.

The shells of Margarita Bay, on the Pacific coast of Lower California, in
lat. 24, have become known through W. Harper Pease, Esq., of Honolulu,
Sandwich Islands. Through his labours we are likely soon to be favoured
with accurate accounts of the distribution of species in the various parts of
the Pacific Ocean. Already his researches have greatly enriched our know-
ledge of the quaint fauna of the Sandwich Islands, from which he has elimi-
nated the spurious species, and added those erroneously ascribed to California
by previous naturalists. The principal trade from these islands is with San
Francisco ; and " the coast," in Mr. Pease's writings, signifies the coast of
California or (generally) of Western America. Many of our best specimens
of rare West-coast shells have been received from him, and in remarkably
fresh preservation. The Margarita Bay species were obtained by one of his
trained collectors, and are as follows :



Martesia intercalata.
Saxicava pholadis
Solecurtus violascens.
Hiatula compacta.
'Tellina secta.
Strigilla carnaria (pink).
Seniele Californica,



151



Donax punctatostriatus.

Dosinia ponderosa.

Callista chionaea.

Callista vulnerata (?=tricolor, Pse.).

Chione succincta

Chione gnidia.

Tapes grata.



REPORT 1363.



*Tapes staminea.

Chama frondosa.

Cardiimi procerum.

Liocardium elatum.

Modiola capax.

Modiola Brasiliensis.

Lithophagus attenuatus.

Barbatia gradata.

Pecten ventricosus.

Ostrea Virginica (Maz. Cat.).
*Ostrea lurida, var.

Ostrea conchaphila.

Ostrea amara.

JSiphonaria eequilirata (=leviuscula,
Shy., teste Cuminy).

Siphonaria gigas.

Helix areolata, Fbs. (The only land-
shell received from the Bay.)

Dentalium tetragonum, Sby.

Dentalium seniipolitum.

Dentalium lacteum, Phil.

Acmsea strigatella.

Acmaea atrata.

Gadinia reticulata.

Calliostoma versicolor.
*Chlorostoma gallina.
"Chlorostoma aureotinctum.

Nerita scabricosta.

Nerita Bernhardi.

Crucibulum spinosum.

Crucibulum imbricatuin.

In the above list, the only strictly
with a *.



Crepidula onyx.

Crepidula excavata.

Galems conicus.

Cerithiuni stercus muscaruni,

Pyrazus incisus and var.

Rhiuoclavis gemmata.

Cerithidea Mazatlanica.

Litorina fasciata.

Litorina aspera, var.

Conus " reticulatus " (Pease). Dead.

Conus " emarginatus " (Pease). Dead

Conus interruptus.

Neverita Reciuziana.

Polinices bifasciata.

Cancellaria urceolata.

Cancellaria goniostoma.

" Cyprcecassis testiculus " [perhaps

tenuis],

Malea ringens.
Priene nodosa.
Oliva subangulata.
Oliva porphyria.
Pui*pura patula.
Purpura biserialis.

*Purpura ostrina. [Normal, living.]
Vitularia salebrosa.
Monoceros lugubre, var.
Cerostoma monoceros.
Nassa tegula.
Siphonalia anomala.
Phyllonotus nigritiib.

Californian species are those marked



The following species have been received from La Paz, besides those tabu-
lated in Major Rich's list, p. 541, in the C. S. L. list, p. 619. and the B. A.
Rep. p. 352. It is clear that the fauna of the district is essentially tropical,
and remarkably free from Californian species.

Dentalium semipolitum.

Turritella punctata.

Modulus cerodes.

Olivella ful-gida, Lieut. Trowbridge [teste W. Cooper j but probably added by

him accidentally from his W. African collections. It has not been received

from any other West-coast source].
Siphonalia modificata. Dead.

A very interesting series of shells were collected at Guaymas and Pmacati
Bay, by Capt. Stone and Mr. Sloat. The latter gentleman affixed MS. names
to those which he regarded as new. They were in remarkably beautiful
condition, the bivalves having an unusually porcellanous aspect, and many
of the species presenting local peculiarities.

Mulinia carinulata, Desh.,= Mactra modesta, Sloat MS.

Dosinia ponderosa. Very large.

Chione Jluctifraya, Sby.,= V. Coj-tezi, Sloat MS. [=gibbosula (Desh.), Rve v =

cattosa, Sby., non Conr.l
Chione succincta,V&l.,= valiforniensis, Brod.,= V. crassa, Sloat MS. [Very

variable in sculpture ; also, with the last, varies greatly in shape, some of the

specimens being much produced, others rounded.]
Chione gnidia, Brod. Passing into amathusia.

152



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 667

Chione pulicaria, Sby., var.,= V. Pinacatensis, Sloat MS. Sculpture pressed

smooth in the middle.
Cardium elatum. Fine.
Cardium procerum. Fine.

Modiola capax. " Choros." Also Sta. Inez Bay.
Modiola Brasiliensis. (Typical.)
Byssoarca Paciftca.

Ostrea conchaphila et amara, Maz. Cat. 215.
Chiton (Lophyrus) Stokesii. Also San Salvador, Capt. Dow.
Callopomajluctuatum.
Bivonia contorta.
Turritella goniostoma.

Turritella tigrina (light var.),= leucostoma, Val.

Cerithidea albonodosa. Common. [Probably a var. of Mc:zatlanica.~\
Strombus gracilior. Also Mulege Bay.
Neverita Recluziana. [Operc. strong, horny.]
Manella triquetra. [Operc. sub-Buccinoid,*Wal ; nucleus internal, near middle

of labrum ; scar with few ridges, as in Purpura."]
Oliva angidata. Not rare.
Oliva Cumingii, very callous var.
Agaronia testacea.
Monoceros lugubre. Very tall var.
Phyllonotus nigritus. Very large, of form described by Philippi, with Pholacls

in situ. Agiobampo Bay.
Phyllonotus bicolor. [Operc. thin, without frills or raised layers ; of uniform

colour.] Also Angeles Bay.

To these may be added, from a second voyage by Capt. Stone to the
northern part of the Gulf of California, and in equally good condition

Area grandis. Agiobampo Bay.

Callista semilamettosa. Agiobampo Bay.

Lazaria pectunculus (teste C uming). St. Luis Bay.

Cardium consors. St. Luis Bay.

Avicula Peruviana. Mulege Bay.

Lucina tigerrina. Very fine. San Marcos Island.

Margaritiphorajimbriata. u Topo."

Janira dentata [_ excavataj Val.J. "Caballito del mar," St. Luis Bay.

Sulla nebulosa. " Huevitos."

Glyphis in&qualis. St. Luis Bay.

Crucibulum imbricatum. St. Luis Bay.

Cyprcea exanthema. (Large.) Cape de Haro.

Myurella variegata. Mulege Bay.

Solarium gramdatum et var. quadriceps. Agiobampo Bay.

Polinices bifasciata. Angeles Bay.

Cypracassis tennis [= Marsence, Kien.]. Carmeu Island.

Harpa crenata. Very fine. Mulege Bay.

Bezoardica abbreviata. Mulege Bay.

Ficula decussata. Angeles Bay.

Pynda patula. Agiobampo Bay.

Malea ringens. Lobos Island.

Argonauta Mans. 1 fine sp. Upper part of Gulf of California.

To the Guaymas fauna must be added, from Dr. Gould's portion of the
same collection, " Pecten pyxidatus" [?=subcrenatus, jun.). Also from the
collection of the Calif. Ac. Nat. Sc., Nassa nodocinrtfi, A. Ad. [Galapagos,
Owning']. On comparing these lists with the shells given in B. A. Hep.
p. 352 (in which the Venus quoted is not " staminea, Conr.," but a southern
species), it will be seen that the fauna of the upper part of the Gulf, as fur
north as it has been explored, is essentially tropical. The Chione fltu

153



COS



REPORT 1863.



and C. succincta, however, and the Polinic.es Recliiziana indicate a connexion
with California which may have been, at a previous age, more direct than at
present.

114. (See first Report, pars. 79-83.) Acapulco being notorious for the
exotic species quoted in its fauna, it is desirable to examine all authentic
collections from that prolific locality. The Smithsonian series were ob-
tained by Dr. Newberry * (N.\ after his Pacific R. K. Explorations (vide
p. 593) ; by Mr. Belcher (B.) ; and by the Rev. J. Eowell (R.), who obtained
them principally from the valves of the large oysters. The private collec-
tions of Judge Cooper, Col. Jewett (J.), and other American naturalists have
also afforded valuable information. The species from these various sources,
which were also found by Mr. Xantus, are tabulated with his Cape St. Lucas
series, anted, pp. 619-626. The following have not been obtained from the
northern localities :



Corbula nuciformis, J.

Corbula ovulata, and smooth var., B., J.

JMacha5ra patula, var., N. [Surely im-
ported.]

Sano-uinolaria miniata, J., N., D.

Tellina princeps, B. j punicea, -N., B. ;
opercularis, N.

Strigilla carnaria, pale and crimson vars.,
N.,B.

Semele proxima, J. ; pulchra, J., N. ;
venusta, J.

Donax carinatus, J., N. j rostratus, J. j
transversus, N.

Trigona Hindsii, J.

Mactrella carinata, Lam. , = alata, Spengl.,
N. [Perhaps imported.]

Dosinia Anna3, N.

Callista circinata, J. ; semilamellosa, N.,
B. ; spinosissima, B.

Ohione amathusia, N.

jttupellaria foliacea, R.

Petricola ventricosa, R.

( 'hama corrugata, R.

Ciirdium Paculeatum, jun., N. [proba-
bly from ballast] ; graniferum, N.

Lucina Ppectinata, var., J. [More like
imbricatula, W. I. ; perhaps .Jamaican.]

Diplodonta semiaspera, R.

Pelania tellinoides, var., J. [More like
subglobosa, W. I. j perhaps Jamaican.]

Corbicula Pconvexa, 1 worn valve, N.

Scapharca bifrons, N. j labiata, B.

Noetia reversa, J., B.

Argina brevifrons, N.

AxinsBa parcipicta [=multicostata],
J., N. ; pectenoides, J. ; insequalis, J.

Lima angulata, J.

Ostrea megodon [P.Z. S. 1845 ; p. 106], N.

Auomia lanipe, J.



Tornatina infrequens, B.

Dentalium Phexagonum, var., B.

Fissurella nigropunctata, J. j Pmacro-
trema, J. ; alba, jun., B. (1 worn sp.)

Calliostoma lima, var. aequisculpta, N. j
Leanum, J.

Senectus squamigerus, J.

Galerus coiiicus, N. ; mauiillaris, N.

Crepidula nivea, R. ; incurva, N.

Ttirritella Banksii, N. ; leucostoma, S.

Ampullaria Columbiensis, R. [West
^lex^co ; locality uncertain.]

Truncatella Bairdiana, B.

Radius avena, J.

Cypnea exanthema, N.

Luponia finibriolata, Beck, N. [Pro-
bably imported, and perhaps an im-
perfectly developed form of semipo-
lita, Mio-h.]

Terebra tuberculosa, ^V.

Drillia incrassata, B. ; eburnea, n. s.,
R. [W.Mexico; locality uncertain.]

Maugelia subdiaphana, J.

Conus iuterruptus, Br. fy Sby. t B. j ma-
hogani, N. ; puncticulatus, N.

Eulima hastata, R.

Eulima, like yod, R.

Eulimella, sp. (worn), B.

Chemnitzia tenuilirata, B.

Fasciolaria, sp. [size of tulipa, but with
row of knoos and serrated lip], JV.

Latirus castaneus, N.

Volvarina Pfusca, J. [More regularly
cylindrical than the W. I. specimens,
broader in proportion near suture
and at base, spire much shorter ; but
locality uncertain.]

Oliva Julietta, B. 1 worn sp. [proba-
bly imported] ; Pkaleontina, dead, N.



* jThe collections of Dr. Newberry passed principally into the hands of Dr. E. Fore-
man, late of Washington, who kindly presented a series to the Mus. Smiths.

' 154



ON MOL1.USCA OF THE WEST COAST OF NORTH AMERICA.



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