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42 34. Dentalium pseudosexagonum, Desh. Masbate, Philippines : W

Columbia.

41. Dentalium splendidum, Sby. Xipixapi, W. Col.
32. Dentalium liratum, Cpr. " Malgattem." [Maz. Cat. 244.]

48 31. Dentalium quadranyulare, Sby. Xipixapi, W. Col. [Like tetra-

yonum, but striated, and much smaller/]

49 21, 22. Dentalium tetrayonum, Sby. W. Col. [Young shell square, adult

round.]

In the very elaborate monograph of the Nuculidce, by S. Hanley, Esq., tha
following species, quoted as from the W. Coast, are minutely described :

2 33. Leda Sowerbiana, D'Orb. Xipixapi.

= N. elonyata, Val.

N. lanceolata, G. Sby., non J. Sby., nee Lam.
7 85. Leda Taylori, IIanl., = 2V! lanceolata, Lam., non G. nee J. Sby.

Guatemala. (P. Z. S. 1860, p. 370.)
29 70-72. Leda Elcncnsis, Sby. Panama.

33 90. Leda eburnea, Sby.,=lyrata, Hds. Panama: Bay of Caraccas.

classify the forms according to their natural affinities. It is rarely that monographers
and artists take such laudable pains to supply the wants of students. In the monograph
of Galeomma and Scintilla, however, the locality-marks have not been observed to a
single species, except the " British G. Turtoni " and its " Philippine analogue, G. macro-
$cki.<tma i Desh." This is the more remarkable, as most of the species were described by
Desh., with localities, in P. Z. S. 1855, pp. 167-181.

46



ON MOLLTJSCA OP THE WEST COAST OF NORTH AMERICA.



561



In the ' Malacological and Conchological Magazine/ by G. B. Sowerhy,
London, 1838, is a monograph of Leach's genus Margarita. The following
probably belong to the N. W. Coast, and are figured in the Conch. 111. ;

Page.

25. Margarita striata, Brod. and Sby. Boreal Ocean.
20. Margarita undulata, Sby. Arctic Ocean.

26. Margarita costellata, Sby. [Non Brit. Mus. Col. = M. pupilla, Gld.; differs in

having the interspaces of the spiral ribs decussated. Arctic Ocean.]
26. Margarita acuminata, Sby. Arctic Ocean.
30. Aphrodite columba, Lea, = Cardium Grosnlandicum.

Several West Coast species were named and figured in the elder Sowerby's
'Genera of Recent and Eossil Shells,' London, 1820-1824 ; a work of singular
merit for its time, but left unfinished*. The stock was purchased by a dealer,
with a view to completion ; but newer works have occupied its place, and
the valuable plates and text remain useless in his hands. As no dates appear
in the bound copy of the work, it cannot be stated whether the species here
named by Mr. Sowerby had been before published. The loss of the original
work has been in some respects supplied by the completion of the extremely
similar ' Conchologia Systematica/ by L. Eeeve, vol. i. 1841, vol. ii. 1842.
It might almost be considered a second edition of the ' Genera,' of which
some of the plates occur in the quarto form. References are here given to
the species reproduced from Sowerby's unfinished work, which is often quoted
by Mr. Reeve according to the " Numbers " in which it appeared :-



Bve.

!: g -

3.
4.
1.

1.

2.
6.
2.
3.
4.
3.
6.

2.
2.
1.



, Gmel.,= T. rufescenSjChem.," Rve."],
Lwdttaria p., Schum." Rve. C. S.],



Dillw.].



I Sby.

! Fig. Sowerby'g Genera.

I 2. Cumingia trigomdaris.

3. Cumingia lamellosa.

4. Cumingia coarctata.

1. Tellina opercidaris [" =

1. Lucina punctata [Linn v
2,5. Venus subrugosa.

7. Venus gnidia.

2. Cytherea planulata.

3. Cytherea aurantiaca.

4 [non 3]. Lithodomus caudigerus

3. [Appears to represent attenuatus, Desk.]

6. Modiola semifusca [inside view ; exactly accords with Braziliensis, Maz,

Cat., but is not Lamarck's species, teste Hani.].
2. Lima squamosa [Lam.].

2. Ostrea Virginica [Lam.].

1. Placunanomia Cumingii. "Brought by Mr. Henry Cuming from the
Gulf of Dulce, in Costa Rico."

1. Lottia gigantea, Gray. Genus named in Phil. Trans. =Patelloides, Quoy

and Gaim. ? South America. [The U. S. E. E. specimens were la-
belled " Valparaiso." It comes to us from many parts of the world,
but is only known to live in Middle and Lower California. = Tecturella
grandis, Cpr., B. A. Rep. 1861, p. 137.

3. SipJionaria Tristensis. [The figure is singularly like the Vancouver

species, S. thersites.~]

2. Crepidula onyx.

4. Crepidida aculeata: U =P. auricula, Gmel."

3. Caluptrcea ? extinctorium. [Sby.j non Lam.

imbricataJ]

4. Calyptrcea spinosa.



The non-pitted form of



* The last Part (no. 34) appeared " March 31, 1831," many years after the previous
issues ; teste Hani.
1863.



562 REPORT 18G3.



Bve.
Fig.



5,0.



1.

2
1.

C.

a*

3.
4.
1.

1.



Sby.

Fig. Sowerby's Genera.

5. Calyptreea imbricata. [The pitted form. Appears in C. S., f. 1, as "'' C,

nif/osa, Less."]
7. Calyptreea ?spinosa, var. [The flat, smooth form of spinosa. Appears in

C. S., fig. 4, as " C. cinei-ea, Rve., P. Z. S. 1842," p. 50. On a log of

wood floating off Cape Horn.]
2. Bulla viresccns.

1. Nerita ornata [=scabricosta, Lam.].

2, 3. Litori na pulchra, = Turbo p.. Swains.

4. Litorina varia. Panama.

5. Cerithium varicosum.

9. Cerithium Pacificum. [Closely resembles Potamis ebenim<s.~\

1. Fasciolaria auraniiaca [with operc. (non Lam.) = JF. pn/*<T/js,Lam.,Rve.].

5. Murex phyllopterm and operc. [Appears= Cerostuma foUatum. The

operc. seems to have been rubbed outside.]

1. Columbella strombiformis, Lain.

2. Columbella labiosa. " California " [t. e., Panama, &c.].

1. Purpura patula [Linn. "= Perdicea nodosa, Petiver, = Cymbium tulcrcsur.i
patulum, Martini." Rve. C. S.].

6. Purpura planospirata.

9. Purpura callosa [= Cuma tcctuni].

3. Monoceros luyubre [cymatum, Tank. Cat.].

4. Monoceros cinijulatum [Lam.: Leucozonia].

1. Trichotropis bicarinata, and [Nassoid] operculum.

1. Oliva porphijria [Linn., "= Cylinder porphyrcticus, D'Arg.,= Castra Tur-
cica, Martini.' ^ Rve. C. S.].

5. Cypraa pustulata [Lam.].



The following additional West Coast species, figured in the ' Conch. Syst.,'
may be quoted for their synonymy. The authorities for all the species are
given, but no localities :

PL Fig.

26 1. Solecurtus Dombeyi, Lam. [appears intermediate between S. Dombeyi,
Mus. Cum., and S. ambiyuus, Lam.].

223 7. Turbo squamiger, Rve. P. Z. S. 1842, p. 186 [without locality. 'Gala-
pagos, CumingJ in Conch. Ic. Also Acapulco, Jewett, &c.].

229 2. Turbindlus acuminatus, Wood, Kien. [closely resembles Latirus castancus].

203 G. Buccinwn elegans, R-ve., P. Z. S. 1842, fromllinds's Col. [is the southern,
highly developed form of B. fossatum, Gld. The name is preoccupied
by a Touraine fossil, S. elegans, Duj., in Desh. An. s. Vert. x. p. 21*.),
no. 22. As Rve.'s species is a Nassa, and there is another Due. elcyar,-,
Kien., Coq. Viv. p. 56, pi. 24. f. 97, = Nassa e., Rve. Conch. Ic., ic will
save confusion to allow Gld.'s later name to stand].

DOS 5,0. Buccinum serratum, Dufr., = j\ r assa Northice, Gray [ = Northia pristis,
Desh.].

62. Reeve, ' Concliologia Iconica? The following corrections should bo
made in the abstract, Rep. pp. 289-293.

20. [Semele fla weans should be flavesccns, et passim.^

33. Siphonaria amara [is a Sandwich Is. species, quite distinct from C. lecaniwn}.

38. Patella clypeastcr Tis a S. American species, liaving no connexion with A.

patina, or with Monterey].
60. Patella cinis [ = A. pelta, not patina, var.].

67. Patella vespertina. [P. stipulata, sp. 117, is probably a var. of this species.]
69. Patella toreuma ["var." in Mus. Cum., "Mazatlan," probably =hrewn$. No

shell of this (N. Zealand) type has been found on the coast by any of the

American collectors].

* Sowerby's (c-ow-^O name appears on Keeve's plnte ; but in the text of C. S., f. ( J is
called "a species OJ Tiii LiiielltLs inserted inaclvenentiy."

48




ON MOLLUSCA OP THE WEST COAST OF NORTH AMERICA. 5C3

81. Patella Nuttalliana. [Mus. Cum., =A. pelta, typical. The figure looks more

like 2mtina.~\
140. Patella mamillata, Nutt. [non Esch., is an elevated, stunted form of the black

? var. of scabra, Nutt. The name being preoccupied, this distinct form may

stand as limatula}.

64. Fissurella densiclathrata [is distinct from G. aspera. Sta. Barbara, Jewett].
67. Turbo marginatm [Rve., non] " Nutt."

Adams as the Collonia marginata of <

Delphinula (test3 type in Brit. Mus.

Jay's Cat, was described by A. Ad. as CJilorostoma funebrale= Chi.

auct. (non Jonas, the true T. mcestus being S. American, tesle A. Ad. and

Mus. Cum.)].
39. Cypr&a onyx [is the E. Indian, C. spadicea the similar S. Diegan species].

The following species, either quoted from the "W. Coast, or known to in-
habit it, or connected with it by synonymy, have been observed in Reeve's
1 Conch. Ic.' since the date of the last Report. The number of the species also
refers to the figure. For the remarks enclosed in [ ] the writer of this lie-
port, here as elsewhere, is alone responsible.

50. Fasus turbinelloides, Rve., Jan. 1848. ? Africa, Mus. Cum. \_-Siphonalia

pallida, Br. and Sby. ; spines somewhat angular],
02. Fasus cancellatus, Lain. " Unalaska, Kamtschatka, Mus. Cum." [Doubtless

the origin of the prevalent locality-error].
'/o. Futus Nova-Hollandi*, Rve., Jan/ 1848. N. Hoi., Metcnlfe. [As Mr. Met-

calfe gave numerous West Coast shells to Brit. Mus. und' j r locality "N.H.,"

this shell also was probably from W. Mexico, = -P. Dupclithouarsiij Kien.]
91. Fusus Gunneri, Lov., (Tritonium), Ind. Snec. p. 12. Greenland. [=Jro-

phon multicostatus, Esch. The iig. should be 93, 6 ; f. 91 = Bamffius.~]
52. Curdium pseudofossile, Rve. " P. Z. S. 1844." Hab. ? [Not found in

P. Z. S.,= C. Calif orniense, Desh., 1839, non C. Calif nrnianum, Conr.,

1837. This is the Eastern form; the 0&:ifomian ?var.= C. bland/on, Gld.^
67. Buccinum modificatum, Rve., Dec. 184o. llab. ? [Agrees sufficiently well

with worn specimens from La Paz, Mus. Smiths., ~ &iphonalia } closely

allied to pallida.~\
62. Buccinum diruin^ Rve., Dec. 1846. Hab. ? Mus. Cum. [Worn specimen

of CArysodomus Sitchensis, Midd., 1849, = JP. incisus, Old., May 18i9.]
110. Buccinum corruffatum, Rve., Feb. 1847. Ilab. ? [" 'Iruncaria" Cuming,

MS. " Pisania" H. Adams. Vancouver, most abundant.]
2. Sanguinolaria omlis, Rve., March 1857. Cent. Am. [?= miniata, jun.

3. S. tellinoides, A. Ad., is the same, adolescent; 5. S. purpurea, Desh., adult.]
4. Psammobia maxima, Desh , P. Z. S. 1854, p. 317. Panama. [Closely resem-
bling Ps. rubroradiata, Nutt. Puget Sound.]

19. Mi/tilm ralliopunctatus, Dkr. Cal. and Mazatlan. [No authority for Cal.l
41. Mytilus bifurcatus, Conr.,. J. A. N.S.Phil. Hab.? [Conr. assigns his Nuttallian

specie? to California ; but it is the common Sandw. Is. species, teste Pse.

The Ca'ifornian shell, with the same sculpture, is a Scptifer, and is the

S. bifurcatns of Mus. Cum.]

44. Mytilus Sallei (Drcissina), Reel. Central America. [? On which slope.]
52. Mytilus Cuminyianus, Reel. Panama. [_Septifer.~\
60. Mytilus c/lom'>ratm, Gld. Hab. ? * [Gould's species is from California, but

the name is attached to a very different shell in Mus. Cum.]

* Several species occur in the recent monographs without locality, which are well
known to inhabit the W. Coast. This is partly due to the writer not thinking it ncces-
t>ary to refer to published books for information, and partly to the changes which have of
late years been made in the principal authority, viz. the Cumingian collection. By the
redistribution of species into the modern genera, the student is greatly aided in his search
for special forms ; but, for the sake of uniformity, the autograph labels of collectors or
describers of species are generally rejected, the names being either in the handwriting of
the clerk or from the printed index in the monograph, and rep resenting only the judg-
ment of the latest worker, which may or may not be correct, i^iionvms, whether real

4 49



5fi4 REPORT 1863.

11. Modiola capax, Conr. Galapagos, Cumin g. [Lower] California, Nuttall.

Mazatlan, Carpenter. [Reigen is the authority for the shells described

in the Maz. Cat., not Cpr.]
17. Modiola Braziliensis, Chera. " Brazil." [At f. 31, which appears the true

Brazilian shell, we are informed that this specimen is a " variety from

Guayaquil."]
.. Modiola nitens, " Cpr. Cat. Reigen Col. Brit. Mus. California." [The shell

was erroneously described as from " California " in P. Z. S., and does iiot

appear in the Reigen Mazatlan Cat. : M. subpurpiireus, Mus. Cum.]

5. Lithodomus cinnamominus, Chem. Philippine Is. and St. Thomas, W.I. \_ = L.

cinnamomcuSj Maz. Cat. 177. Probably an Adula.~\

8. Lithodomus Ciimingianus, Dkr., MS. "North Australia and Mazatlan.'' [The

species is figured from the Mazatlan specimen, which may probably be
the adult form of L. calyculatus, Cpr.* The cup is not 'distinct, ' but
shows a tendency to the peculiar formation described in Maz. Cat. no. 174.
Rve.'s diagnosis, however, appears written from Dkr.'s Australian speci-
mens, so labelled in Mus. Guru. a very distinct species, without incrus-
tations. The name was given by Mr. Coming to a large Chilian species
brought by the U. S. Expl. Exp.]

12. Lithodomus Gruneri, Phil. MS. in Mus. Cum. "N. Zealand." [The species

=L. falcatus, Gld., and is certainly from California, where it is found in
the rocks with Pholadidea penitaJ]

13. Lithodomus teres, Phil. "Mazatlan." [The specimens in Mus. Cum. are

labelled " Cagayan, Phil-."~\

14. Lithodomus coarctata, Dkr. Galapagos, Cuming. \_=Crcnt>lla c.,Maz. Cat. 17".]
16. Lithodomus caudigerus, Lain. "West Indies" [without authority]. "The

calcareous incrustation produced beyond the ant. extremity is no specific
characteristic." [Vide reasons for contrary opinion, Maz. Cat. no. 176:
L. aristatus. Dr. Stimpson has seen Lithophagus arranging its peculiar
incrustation with its foot.]

24. Lithodomus pessulatus, Rve. (Oct. 1857). Hab. ? [The unique sp. figured is
labelled " Mazatlan " in Mus. Cum. It resembles plumula, with ventral
transverse rugae.]

26. Lithodomus subida, Rve. Hob. ? [=Z. plumula, var.J

6. Avicula Cumingii, Rve., March 1857. "Ld. Hood's Is., Pacific Ocean,

attached to rocks, 10 fms., Cuming" \?=zMargaritiphora fimbriata,
Dkr., var.]

9. Avicula barbala, Rve. Panama, under stones at low water, Cuminy. \_ = M.

fimbriata, l)kr., = 3/. Mazatlanica, Hani.] "Diners from Cuming ii in
regular sequence of scales, developed only at margin, and yellowish tone
of colour."

67. Avicula heteroptera, Lam. N. Holland. " A. sterna, Gld." [Gould's species
is from Gulf Cal. ; but in Mus. Cum. it is marked inside " semisugitta.'''~\
4. Placunanomia foliata, Brod. Is. Muerte, Bay Guayaquil. " May = ec/i^ato,
W. I., but has very much larger orifice."

7. Placunanomia macroschisma, Desh. "Onalaska, Owning" [who never was

there]. Kamtschatka, Desh. [Vancouver district, abundant.]
7. Thracia pltcata, Desh. "Mr. Cuming has specimens from California and St.

Thomas, W. I." [Cape St. Lucas, Xantus.~]
Melania. [Various species are described from " Central America," &c., which

or supposed, are rejected altogether. Thus shells sent to Mr. Cuming, with authentic
name and locality attached, may appear soon after without any, or with erroneous,
quotation. The error is rendered graver by appearing with the weighty authority of
" Mus. Cum."

* The species described in the Brit. Mus. Cat. seldom appear in the monographs,
unless there happen to b3 a specimen in Mus. Cum. Soms of the monographers often
content themselves with figuring the shells that come most easily to hand ; and do not
eem to consider it a part of their work to pass judgment on previously described
species, or to concern themselves with what are small or difficult.

50



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 5C5

may or may not belong to the Pacific slope. They should be studied
in connexion with U. S. forms, but are not here tabulated.]

50. Melanin Buschiana, live. " California." [No authority. Very like tho

young- of J/. scipio, Gld.]
S67. Melanin m'grina, Lea, MS. in Mus. Cum. "Shasta, California."

08. Cancellaria funicidata, Ilds.,= C. lyrata, Ad. and Rve. Gulf Magdalena.

66. Litorina irrorata, Say. " Sitcha." [The " Sitcha" shell isZ. modesta, Phil.

Say's species is the well-known form from the Gulf of Mexico.]
6. Terebra strigata, Sby., + e/0m7a,Wood., =flammea, Less.,= zebra, Kien. "Pa-
nama, Galapagos, and Philippines, Cuming; Moluccas, &c." [Painting
in stripes.]

10. Terebra robusta, Hds. Panama, &c. [ = T. Loroisi, Guer., teste Rve. P. Z. S.
1860, p. 450. Painting splashed.]

12. Terebra variegata, Gray. u Mouth of the Gambia, Senegal, Mazatlan, Co-
lumbia. It is well known to those who have studied the geographical
distribution of animal life, that the fauna of the West African seas,
north of Sierra Leone, is in part identical with the fauna of the seas of
California and the W. Indies ; and geologists, among whom was the late
Prof. E. Forbes, have laboured, not unsuccessfully, to account for this
phenomenon." [ Vide Maz. Cat. p. 157, B. A. Rep. p. 365. In the pre-
sent instance, however, there will be more than one opinion as to the
identity of the species here quoted.] + T. africana, Gray, -f- T. Hupei, Lorois,
-4- T, inte'rtincta, Hds.,-f T. marginata, Desh., + T. albocincta, Cpr., + T.
Hindsii, Cpr.,-f T. subnodosa, Cpr.

72. Terebra armillata, lids. " Panama, Galapagos. Somewhat doubtful whether
this is not a var. of T. variegata" [If the others are, probably this is.
Those species of Hinds, which Mr. Reeve has not altered, are 'not here
repeated.]

32. Terebra dislocata [as Cerithiuni], Say. " Southern U. S. and California." [No
authority given for Cal.]

84. Terebra rttdis, Gray, " M. rufocinerea, Cpr. S. Carolina, Jay. Somewhat

doubtful whether this is not a var. of dislocata." [The T. rufocinerea is
one of the difficult Mazatlan shells, and should share the fate of T. Hindsii
and T. subnodosa.]

85. Terebra cinerea, Born. " W. Africa, Hennah ; Japan, Hds. ; Philippines,

Cuming] W. I., C. B. Adams; Mazatlan, Cpr." [i. e. Reigen. The same
remarks apply to this group as to variegata, &c.]+ T. castanea, Kien., non
Hds.,+ T. Inurina, Hds.,4- T. luctuosa,ilds.,+ T. stylata, Hds.,+ T. Jamai-
censis, C. B. Ad.
40. Terebra aspera, Hds.,+ T. Petiveriana, Desh. Panama, S. A., Cuming, Bridges,

"2. Calyptraa tortilis, Rve. Galapagos, Owning.

8. Calyptrtea alveolata, A. Ad., MS. Galapagos, Cuming.

4. Crepidida excavata, Brod. Chili [?], Cuming.

C. Crepidida nautiloides* , Less., MS. in Mus. Cum. f< New York." [=C.
dilatata.~\

8. Crepidula marginalis, Brod. Panama, Cuming. [V. Maz. Cat. p. 292, note.]

10. Crepidida rugosa, Nutt. Upper Cal. [An accidentally ribbed specimen,

figured from Mus. Taylor.]

11. Crepidula flmbriata, Rve. (June 1859). Vancouver's Straits. [This is to

navict'lloides, Nutt., no. 97, as Lessonii is to squama j simply an accidentally
frilled var. ]

12. Crepidula adunca, Sby. [Not] Panama. =C. solida, Ilds.,=rostriformis,

Gld. [This is the northern species from Vancouver and Cal., and is not]

=uncata, Mke.

1-3. Crepidida arenata, Brod. St. Elena (not Helena, Desh.\ Cuming.
22. Crepidula aculeata,' Gmd. Lobos Is., Peru, Cuming; California, Nutt., Cpr.

[i. e. Mazatlan, Reigen] ; Hondui-as, Dyson ; Sandw. Is., Austr., Kur-

* Several S. American forms are here quoted for the synonymy ; because in Calyptrceid*
the species often have a wide range, and should be studied in connexion with their
neighbours.

51



566 REPORT 1863.

rachee, mouth of Indus. + C. hystryx, Brod.,+ C. echinus, Brod ,+ C. Cali-
fornica, Nutt.

24. Crepidula rostrata, C. B. Ad. Panama. [=(7. uncata, Mke., nom. prior. This
tropical form presents distinctive marks.]

28. Crepidula exuviata, Nutt. Monterey. [= C. explanata, Gld.,= C. perforans,

Val. An abnormal form of C. navicelloides, Nutt. : C. nummaria, Gld., is
the opposite extreme.]

29. Crepidula bilobata, Gray ft. ft Cpr.], MS. in Mus. Cum. [=(?. dorsata, Brod.

FiWe Maz. Cat. no. 336, where the origin of the MS. name would have
been found explained. It appears to be principally a northern species
= C. lingulata, Old.]

30. .Crepidula lirata, Rve. [Gulf of] California. [Intermediate form between

C. incurva and C. onyx, described in Maz. Cat. p. 277.]

2. Crucibulum scuteUatum, Gray. "=C. rugosa, Less.,= C. imbricata, Sby., non

Brod." Payta, Less. ; Punta St. Elena, Owning. [ Vide Maz. Cat. no. 343.]
4. Crucibulum rugosum, "Desh., non Less.,= C. li</naria, Brod., ?var. = C. gem-

macea, Val." Island of Chiloe, Cuming. [ Vide Maz. Cat. p. 290.]
6. Crucibulum ferrugineum, Rve. Bav of Conception, Chili, Cuming. [ = C.

quinquina, Less., D'Orb., = C. Byronensis, Gray, in Brit. Mus. Like a

rough degraded form of C. spinosum.']

6. Crucibulum umbrella, Desh. = (7. rudis, Brod. Panama and Real Llejos.

8. corrugatum, Cpr. " Cal." [Mazatlan, Jewett, P. Z. S. 1856, p. 204.]

9. imbricatum, Brod. Panama. [ = C. imbricatum, Sby., = C. sou-
tellatum, Gray, no. 2, var.]

10. Crucibulum spinosum, Sby. Seas of Central America. [Extends northwards

to California; southwards it degenerates into C. quiriquina.~]=:C. pcziza,
Gray,4-C. hispida, Brod.,+ C. maculata, Brod.,+ C. tubifera, Less.,+ C'.
cinerea, Rve.

11. Crucibulum pectinatwn, Cpr., P. Z. S. 1856, p. 168. Peru. [Panama, Jewett.']
17. auritum, Rve.,= C. striata, Brod. ; non Say. Valparaiso, Cuming.

[Passes into Galerus.~\

21. Crucibulum serratum, Brod. Real Llejos and Muerte, Cuming. [Like

young of C. pectinatum; nearly transparent; white, with purple ray.]

22. Crucibulum sordidum, Brod.,+ C. unguis, Brod. Valparaiso and Panama, Cum

ing. [=Galerus', v. Maz. Cat. p. 292, note. The author distributes the
species of this genus between Trochita and CrucilndumJ]

4. Trochita aspera [Rve. as of] C. B. Ad. Panama. [The small var. of Galerus
conicus. Probably = C. aspersa, C. B. Ad., no. 331.]

7. Trochita subreflexa, Cpr., MS. in Mus. Cum. Gulf of California. f= Galerus

subreflexus, Cpr. in P. Z. S. 1855, p. 233.]
9. Trochita corrugata [Pcujus. Comp. Calyptraa corrugata, Brod.]. Callao, Cuming.

8. Trochita spirata, Fbs. a ? = P. trochiformis, Chem." Gulf California. [ Vide

antea, p. 542.]

10. Trochita solida [?Rve.]. Conchagua, Mus. Cum. [?= Galerus mamiUaris.]

11. Perna anomioides, Rve. March 1858. California, Mus. Cum. [No autho-

rity; appears = P. costellata, Com-., Sandwich Islands.]

13. Perna Californica [Rve., non] Conr. California, Conr. [i. e. Nutt.~\ Honduras,
Dyson. " Distinguished by the Pedum-like form and clouded, livid
purple colouring. [This is the well-known large Hat West Indian species ;
not known in Califqrnia.]

3. Umbrella ocalis, Cpr. Mouth of Chiriqui River, Bay of Panama, [not] Owning

[but Bridges. The species was also found at Cape St. Lucas by
~



6. lanthina fragilis,~LQm.., = I. striulata, Cpr. West Indies, Mazatlan, California.-

[ Vide Maz. Cat. no. 242 : non /. stnolata, Ad. and Rve.]
19. lanthina decollata, Cpr. Probably =1. globosa, var. [Maz. Cat. no. 243. Of

the two Maz. forms, provisionally named, this appears the least entitled

to specific rank.]
40. ColumbeUa Bri'lgesii, Rve. April 1858. Panama, Bridges. [Appears the

small var. of C. major. ~\
43. ColumbeUa Boivini ^ Boivinii, Kien.]. Gulf Nicoyia, Hinds.

52



ON MOLLUSCA OP THE WEST COAST OF NORTH AMERICA. 567

46. Columbella acicula, Rve. California. [No authority.]

56. Columbella encamtica, Rve. Gulf California, Lieut. Shipley, Mus. Cum.

57. Columbella vexillum, Rve. Gulf California. [No authority.]

62. Columbella cribraria, Quoy and Gaini. [i. e. Lam.]= C.guttata,S\yy. Panama,
common under stones, Cuming. [No other localities given. V. Niti-
della cribraria, Maz. Cat. no. 613.]
72. Columbella electroides, Rve. Bay of Guayaquil.
74. Columbella Pacifica, Gask. Galapagos.
109. Columbella pusilla, Sby. Island of St. Vincent, W. I. lt - Nitidella Gouldii,

Cpr." [The Nitidella is a distinct Upper Californian species.]
120. Columbella lactea, Rve. Gulf Calif., Mr. Babb, R.N. [A. Nitidella, 80 tran-
sparent that the axis can be seen throughout.]

122, Columbella Sta-Barbarensis, Cpr. Sta. Barbara. " Not merely faintly striated,

teste Cpr., but unusually grooved." [Described from a worn specimen
in Jewett's Col., and named to mark a more northern limit to the genus
than had been assigned by Forbes. The label was probably incorrect, as the
shell lives in the tropical fauna, C. S. Lucas, Xantus : Acapulco, New-
berry ; Guacomayo, Mus. Smiths. The name (as expressing error) should
therefore be altered to C. Reevei, Cpr.]

123. Columbella spadicea, Phil., MS. in Mus. Cum. Mazatlan. [Described by

Phil, in Zeit. f. Mai. 1846: B. A. Rep. p. 225.]



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