Philip P. (Philip Pearsall) Carpenter.

The mollusks of western North America online

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9 4. Poh/plex gracilis \ = TropTion mufticostatus, Esch.]. N.Zealand.

29 5. Melania striata. New California. [All the figures of ' Melania ' on this plate

represent large B-ulimi, perhaps from S. America.]

85 4. Cerithium reticulatum. IS ew California.

44 2. Haustrum pictum \_ = Purpura planospird^. East Indies.

44 3. Haustrum dentex [ = P- cohimellaris}. Nootka Sound: only 2 sp. known,

44 4. Haustrum tuberctdatum [ = P. patulu, jun.]. ?

41 3. Olica Leveriana [ = O. porphyria~\. ?

47 2. Trochus decarinaius [== Calliostoma canalicidatum]. N. Zealand.

68 2. Venus radiata [ = Callista lupinaria]. N. Zealand.

The common Calif ornian Haliotis was, it seems, first described in the
Zoological Miscellany/ by Dr. W. E. Leach, vol. i. 1814*.
Page 131, pi. 58. Haliotis- Cracherodii, Leach. California.

Solander made use of the materials he had collected in Cook's Voyage, in
compiling a work on Conchology of considerable merit. Dillwyn made a copy
of it, and used it in preparing his own, allowing priority to its specific names ;
but it was never published. The types were lately parted-with by the Lin-
nean Society, who had determined not to keep any collections except those of
Linnaeus. The ' Descriptive Catalogue of Recent Shells,' &c., by L. W. Dill-
wyn : London, 1817, is considered by Dr. Gray to be the best conchological
work arranged according to the old system. The following are quoted from
the West Coast :

Vol. Page.

i. 301. Mytilus frons, Linn. = Ostrea frons, Sol. Callone. Acapulco, Humphreys ;

West Indies, auct.

i. 469. Cyprcca pustulata, Sol. Acapulco.
ii. 617. Buccinum plumbeum, Chemn. California. [Monoceros, PS. America.]

Following Dillwyn, and nearly eclipsing his fame through the originality
and excellence of his classification, appeared Lamarck's ' Animaux sans Ver-
tebres,' 1818-1822. Coordinate with or preceding this work are his Articles
in the ' Annales du Museum ' and the ' Encyclopedic/ The fresh sources of
his information are quoted in the first Report, p. 169.

In Delessert's ' Recueil,' 1841, are figured

PI. 2, fig. 1. Solen ambiguus, Lam. [ = rudis, C. B. Ad.] "Les mers d'Amerique."
PI. 19, fig. 2. Cytherea semilamellosa, Gaudichaud [= C. lupinaria]. China Seas.

In Deshayes' invaluable edition of the ' An. s. Vert.,' Paris, 1835-45, are
quoted a variety of West Coast species which have already appeared under
their original authorities. The following may be added :

Vol. Page.

viii. 2o2. Sulimus Mexicamis, ~L&m. = Helix vittata, Fer. Mexico.

ix. 33. Haliotis Californiensis, Swains. = If. glabra, Desh. California.

ix. 357. Pleurotoma tubercidifera, Br. & Sby. California.

ix. 684. Murex radix, Gme\.=M. melanomathos (pars), Dill w. Acapulco.

ix. G05. Murex foliatus, Gmel.=Jf. tripterus, Kien. N.W.America. "? India."

The last of the early writers whose works should here be quoted, and whose
ideas on the relations of genera were considerably in advance of the age, though
somewhat fanciful, is Swainson, in his 'Zoological Illustrations/ 1820-1833;
'Appendix to the Sale Catalogue of Mrs. Bligh's Shells/ 1822; and <Exoti<t
Conchology/ 1821-1835, reissued by Hanley, 1841. These works contain
the following West Coast species :

* This work has been translated into French, and republished, by Chcnu ; where the
same spx:s is found on page 8, pi. 3. f. 2.



2, JSaKotis rufescem, Swains. (Ditto in Exot. Conch, ed. ii. p. 34.) Galapagos [?j
and California.

4. Cassis [Malea] ring ens. Swains. ?

5. Cassis corrugata, Swains. Native of the Galapagos.
5. Harpa crenata, Swains. ?

8. Strombus granulatus, Swains. ?
Eiot Conch. Plate.

86. Conus princeps, Ln.= C. regius, Martini, Lam. (C. P. var. /3., Ln.= C. ebraus.)

Asiatic Ocean.
97 (middle figure). Marginella primnm,Gmel., Martini = Voluta plumbea, Sol. MS.

Africa. [The pinched W. Indian form.]
182. Cyprcea spadicea, Swains., Tilloch's Phil. Mag. vol. Ixi. p. 376. South Seas


80. Haliotis Californiensis, Swains. [Figured with 9 small holes.] 1821.
65. Solen amUguus, Lam. N. America, 1820. [This shell is conspecilic with tho

" 8. medius, Alashka,'' of the B. M. Coll. ; differing somewhat from the S.

ambiguus as figured by Delessert. The B. M. locality is perhaps erroneous.]

24. Valenciennes 9 Memoir on Numb, and Bonpl., 1833. The following
notes are from a study of the complete copy in the Libr. Hoy. Coll. Surgeons.

221. Donax radiata [=var. of D. punctatostriatus, Hani. 1843].
219. Venus succincta \_=Chione Californiensis, Brod. 1835].
245. Bulimus undatus. [The Caribbean, not the Mexican, type is here figured.]
267. Haliotis Calif orniana \_ = H. rufescens, Swains., not II. Californiensis, Swains.").
267. (Add) Haliotis interrupta, Val. Tropical America. [The description accords
with the young of //. Cracherodii, Leach.]

277. Cerithium musica. [Description accords with C. maculosum, Kien.]

278. Cerithium granosum [= Cerithidea r>aricosa~\.

279. Cerithium fragaria \_ = Rhi nod avis gemmata, lids.].
282. Cerithium varicosum [= Cerithidea caricosa, Sby.].

308. Strombus cancellatus. Closely resembles jRostellaria fissurella, from Grignon.

[Probably E. Indian.]

838. Conus scalaris [= C. gradatus (Mawe), Wood's Suppl.].
270. Solarium bicanaliculdtum. Small species, like S. Herberti, Desh. Enc.

265. Natica JBonplandi. [The figure exactly represents Neverita palula, Sby.]

266. (Add) Natica uber, Val. Cumana.

317. Purpura semi-imbricata, Lam. [An. s. Vert. vol. x. p. 84, no. 39 ; not since
identified from the brief description. Perhaps =Cuma costata, Blainv.]

287. Fusvs turris \_ = F. Dupetithouarsii, Kien.].

290. Fmus Magellanicus " Buc. Geversianum, Pallas, Murex Peruvianus, Enc.

295. Ficula Jicoidcs [? = decussata].

296. Pyrula spirata [? =Rapa, Jim.].

25. Coquille. All the limpets quoted are South American.

26. EsJischoltz. The following observations may be useful to the student :


10. Murex ferruginem [ = Purp. crispata, Chemn.. var. ; varices few, scarcely frilled].

11. Murex lactuca \ = l\irpura crispata, Chemn.].

11. Murex multicostatus [is not Trophon clathratus, as supposed bv Midd. ; but pro-
bably = T. Gunneri. It resembles T. laciniatum, Mart. (Falkland Is. ) on a
small scale ; varices coronated, without spiral sculpture].

16. Acmcea. [Genus described in the Appendix to Kotzebue's econd Voyage, 1830.
p. 350 ; somewhat before Tectura, teste Woodward.]

18. Acmcea mamiUata. [The ' crowded tubercles' were perhaps due to nullipore.]

19. Acmcea cassis [if a northern shell, is perhaps the strongly ribbed var. of peUa

but the figure accoi'ds best with the Cape Horn species, P. cenea, Mart.].

20. Acmcea digitalis [is perhaps distinct from the variable persona ; but passes into

it by easy transitions].


522 KEPORT 1863.


21. Fissurella aspera [=Glyphis Lincolni, Gray, = cratitia, Gld. But Gl densida-
fhrata, Eve, is probably distinct ; Sta Barbara, Jewett, Cooper'].

27. Tanlcerville Cat., 1825. The following species are also from the West
Coast. The prices are added from the British Museum copy, as a record of
their former rarity :

No. App. page. Price.

70 10s. Solen ambiguus.

101 15s. Tellina operculata.

162 5s. Tellina jmnicea.

206 10 10s. LucinaChildreni [described by Gray in Ann. Phil.l824;v. also

Zool. Journ. vol. i. 1825, pp. 221-2. There is no authority
for the statement that it came from Brazil. The Br. Mus.
specimens are from " Mus. Cracherode/' and are probably
West Coast. The only known locality is Cape St. Lucas.j

1293 30s. T ochus anmdatus.

1294 20s. Trochus doliarius.
1690 10s. Murex crispatns.
1842 los. Purpura patula.
1855 20s. Purpura planospira,
1896 45s. Harpa crenata.
2240 15s. Cyprcea spadicea.
2251 2s. Cyprcea albitginosa.

2330 xxxii 15s. 6'iva splendidula. Hal.*

2332 xxxiii 2s. 6d. Oliva biplicata. West Coast North America.

2333 xxxiv 2s. Oliva columellaris. ?
2347 5 5s. Conus regius.

The in Rep., p. 174, should have been omitted, except at no. 808, p. vi. No.
1401 is described, on p. xii, as from Newfoundland. No. 1786 should have no

In the ' Zoological Journal/ London, 1824-1829, appear descriptions of the
following species :


Vol. i. March 1824, 60. Natica patula, Sby. "Brought from S. America by

M. de Humboldt. 2 specimens only known."*

Oct. 1824, 369. Cyprcea subrostrata, Gray. Nehoue (Mus. Sby.).

['Probably fossil' (Gray) : a white, smooth spe-
cies, not to be confounded with Trivia subrostrata.~]

Jan. 1825, 510. Cyprcea albuginosa, Mawe, pi. 7. f. 2 ; pi. 12. f. 2. Cali-

fornia. Named, without description, in Mawe's
Cat. (= C. poraria, var., Duel. : Z. J. iv. p. 68.)
513. Cyprcea pustidata, Sol. S. Coast of Mexico. China.

Vol. iii. Jan. 1827, 70. Hinnites giganteus (Sby.). P [ = ZT. Poulsoni, Conr.

Calif. ] = ffinnita gigantea, Gray, Ann. Phil. Aug.
1826. Lima gigantea, Id. in loc. cit. [non J. Sby.]
Sept 1827, 363. Cyprcea subrostrata, Gray [bis, Trivial. ?

364. Cyprcea radians, Lam. = C. oniscus, Dillw. = C. pedi-

' culus, p., Gmel.-f C. costata, Dillw. W. Coast of
Mexico, ? Adriatic.

365. Cyprcea Californiana, Gray [ Trivia]. California.
Vol. iv. Jan. 1828, 145-162. Monograph of Ovulum, by fer. B. Sowerby, containing

the species afterwards figured in the Spec. Conch.

28. Beecheifs Voyage. Increased study has supplied the following cor-
rections :

* At p. 511, note *, Dr. Gray states that the Natica patula, Barnes, Ann. Lye. Nat.
Hist. N. Y., Sept. 1824, i. 133, is " the shell described under that name by Sby. As them
is another N. patula [? ubi], must be called by Mr. Barnes's MS. name of N. helicoides?
Also that Dolium dentuium, Barnes, loc. cit. =22. ringens t Sby.




Z. J. 372. Naticapallida [=Lunatia caurina, G\&.,-soluta, Gld.].
372. Natica otis. [V&r. = Polimcesfusca, Cpr.]
372. Natica clausa [=JV. Beverlii, Leach, MS. in B. M.].

378. Fusm lapillus= Hue. subrostratum, Gray. [Resembles the smooth,

stumpy form of Purpura plicata, Mart. : " perfectly distinct,"
teste Hani.]

379. Conus arcuatus [as figured in Z. B. V., is a very different shell from

that in Mus. Cum. and the monographs ; the latter is allied to C.


379. Conus interruptus [resembles the broad form of C. mahogani].
Z. B. V. 130. (Add) Oliva semistriata, Gray, pi. 36. f. 10. Hob. ? [Panama, &c.]
1 19. Conus Ximenes [scarcely differs from C. mahogani, var. in Mus. Cum.].
132. [Should be] Aqaronia [et passim].

147. (Add) Mouretia Peruviana, Sby. (P. Z. S. 1835, p. G) pi. 39. f. 6, 6'.

[Also Margarita Bay, teste Pease.!

148. Patella Mazatlandica. [This is the Sandwich Islands species, =P.

exarata, Nutt., teste Haul. The large specimens quoted are pro-
bably P. talcosa, Gld.]

150. CJiama echinata. [Further series of specimens make it doubtful

whether this be not a distinct species from C.frondosa, var. The
original sculpture has not yet been detected.]

151. [Should be] Cytherea biradiata.

152. (Add) Cardita borealis, Conr. (=="Arcturus rudis, Humphr.") pi. 44.

f. 1. [Probably from near icy Cape. Mus. Belcher.]

The types of the species described from this important voyage have been
scattered. Some have been identified from Admiral Sir E. Belcher's Collec-
tion, which he kindly allowed me to examine for that purpose ; others are
in the possession of Mr. Hanley ; but many appear hopelessly lost.

29. Wood's Ind. Test. In Hanley's Revised Edition of this important
work (London, 1856), several new localities are added from the writer's
varied experience, and the synonymy is most carefully elaborated. No other
book contains such a mass of trustworthy information on the old species in so
small a compass. The following are quoted, either as original authorities, or
for locality or synonymy :

Page. Fig.

2 10. Chiton ttmicatus, Wood, Gen. Conch. 1815, pi. 2. f. 1 \_ = Katherina

Douglasite, Gray]. Sitka.

3 18. Chiton Imeatus, Wood, Gen. Conch. 1815, pi. 2. f. 4, 5. Sitcha,

North Calif. [Mr. Hanley believes that Sitka is the island in
lat. 58, and that Sitcha is in the district now known as Wash-
ington Territory, olim Oregon.]
3 20. Chiton sukatus, Wood, Gen. Conch. 1815, pi. 3. f. 1. Galapagos.

19 16. Solen maxima*, Wood, Gen. Conch. 1815, pi. 31. f. 3 [ = patulus,
Dixon. N.W. America], Sandw. Is.

21 8. Tellina rugosa, Born. Is. of Opara, New California. [Pacific Is.]

27 73. Tellina muricata, Chemn. = Zwcma scabra, Rve. Mexico.

82 97. Conus pusillus, Wood : non Chemn. nee Lam. [nee Gld.] = C.punc-
ticulatus, var., Lam. (quasi Brug.) Mexico.

88 31. Cyprceaonyx, Gray (quasi Lin.) =zC.adusta, Chemn. [Pacific Is. The

San Diegan shell is closely allied, Luponia spadiceaJ[ 'Calif.'

89 35. Volutaincrassata,Dillw.; posterior to O.angulata^&m* Centr.Am.
183 14. Haliotis Cracherodii, Leach Jf. glabra, Schub. 1829, non. Chemn..

et auct. Calif.
Suppl. 201 3. lellina lutea, Gray = T. alternidentata, Br. & Sby. = Z Guilfordia-

Gray, in Griff. Cuv. pi. 19. f. 2. Icy Cape.

202 1. Donax scalpellum, Gray, Ann. Phil. 1825, ix. 166 ^ =Z>.. elongate.
Mawe, Conch, pi. & 6, 1823. Calif.

524 REPORT 1863.

Page. Fig.

BeppL "202 2. Donax stuUorum, Mawe, 1. c. pi. 9. f. 7 ; = Trigona st, Grny, Anal vst,
1838. ? S. America [ = Tr. crassatelloide's, j un. Calif.].

204 5, Chama crassicostata=. Venericardia c., Sby., Tank. Cat. p. 4. = Car-

dita Cuvieri, Brod., P. Z. S. 1832. = C. Michelini, Val. Acapulco.

205 11. Area pectimformis, Gr&y(Pectunculus), non Lam. = P. iiicequalis, Sby.
208 6. Conus qradatus, Mawe. Calif. [= C. scalaris, Val. 1 Pan.

211 25. Valuta lens, Mawe. Pan.

211 26. Valuta harpa, Mawe, Conch. Front, f. 2. 1823; = V. nucleus, Lam.
' S. Pacific.

211 33. Voluta nux, B.M. = Oliva biplicata, Sby., Tank. Cat. Calif.

212 38. Voluta tenebrosa, Mawe=O. undatdla, Duel. (Lam.) Pan.
212 4. Buccinum tenue, Mawe = Cassis Massena, Kien. Galapag-os.

212 7. Buccinum distortum, Swains., Bligh's C&t.= Columbella tnumnhalis

Duel. [Clavella]. W. Columbia.

213 10. Buccinum brevidentatum, Mawe=Pr^?. cornigera, Blainv. = P. ocel-

lata, Kien. W. Columbia.

213 11. Buccinum denticulatum, Mawe ) =Monoceros lugubre, Sby. Gen.
213 12. Buccinum armatum, Mawe j Calif.

213 13. Buccinum tectum, Mawe=Pwrj??. callosa, Sby. Gen., non Lam.=P.

anguliferttj Kien. (Ducl.)= Cuma sidcata, Swains. Mai. Pan.

213 15. Buccinum planaxis, Mawe=P/. planicosta, Sby. = P. canaliculata,

Duval, Rev. Zool. 1840, p. 107. Pan. \_Purp. canaliculata, Duel.,
is quite distinct.]

214 25. Buccinum elongatum, Mawe= Terebra strigata, Sby., Tank. Cat.=a

T. zebra, Kien. Pan.

215 15. Strombus bituberculatus, B.M., non auct. = $;*. Peruvianus, Swains..

Phil. Mag. 62. W. Columb.

216 3. Murex rigidus, B.M.==^^^c. nodatum, Martyn= Murex n., Gmel.,

Dillw.= Turbinetta rigida, Gray. Pan. [Probably the Pacific sp.l

217 10. Murex sanguineus, Mawe= Turbinella varicosa, Rve. Galapag-os.

217 14. Murex salmo, ^la,weFasciolaria^ranosa, Kien., as of Brod., P"Z. S.

1832. Panama.

218 1. Trochus vndosm, Wood= T. undatus, Mawe, Conch, no. 146 (not

described) ; = T. balcenarum, Val. Calif.

219 4. Trochus pellis-serpentis, Mawe = Tegula elcgans, Less. , 111. Zool. pi. 50 ;

= Tr. strigilatus, Phil, (quasi Anton) Abbild. pi. 2. f. 9. Pan.
225 45. Turbo saxosus, Ma,we=;Marmorostoma undulata, b wains., Zool. 111.

s. 2. Pan.
233 6. Haliotis corrugata, Mawe, Conch, no. 181. ?=//. nodosa, Phil. Abbil.

pi. 2. Calif.
233 3. Patella peziza, Gra,y=Dispot<zaByronensis, Gray, Enc. Metr. Moll.

pi. 4. f . 4 =[? Cfucibulum spmosum, var.j. Chill.

31. Voy. Beagle. The Triton scaber is rightly assigned to S. America:
there is no satisfactory evidence for its appearance on the N.W. coast. The
shells so quoted are probably either imported from the Magellan district, or
are Priene Oregonensis, jun., or Ocinebra, var. aspera.

36. Duclos. The original article is in the ' Annales Nat. Sc.,' May 1832,
and contains the following species :

Paf c. Plate. Fig.

104 1 1. Purpura canaliculata, Duel., resembles P. succincta on a small scale.

Cal. ; very rare. [Figured with 10 principal and a few intercalary
ribs. = P. dccemcostata, Midd.]

105 1 2. Purpura melones, Duel. ? [Panama.]

109 2 8. Purpura centiquadra, Val. MS. [Duel, states that Val. altered his
own nam.3 to speciosa while the sheet was passing through the
press. The latter, however, bears date 1833.]

Ill 2 10. Purpura sphceridia, Duel. Cal. [A well-known Sistrum from thi
Pacific Is.]



The species quoted in the text from Guerin, which appear in the Mag.
Zool. for 1844, also appear here with the early date. OUva polpaster, a south-
ern form, from Guayaquil, <fcc., is distinct from all varieties of the Gulf species,
0. Cumingii', it bears date 1839. In the same vol. are described and figured

2. Calyptrtea (Calypeopsis) rugosa, Less. Payta, Peru. [ = CrMc. imbricatum,

without pits.]
23. Conus hieroglyphus, Duel. Probably Cal. [A Pacific form, like C. abbre-

27. Cyprcea eglantina, Duel. Cal. [A starved var. of Aricia arabica, Pacific Is.]

38. Lady Douglas (afterwards known as Lady Wigram). Placunanomia
tepio. [The type is an old shell, with faint ribs.]

Placunanomia alope. [The type is a young shell, with small scars and
faint ribs. The large series of specimens examined in the Smithsonian col-
lections proves that these forms are among the many varieties of P. macro-
schisma. The Indians have a superstitious dread of handling it. Many more
species have since been detected in the Brit. Mus., from the late Lady
Wigram's valuable donations, including Macoma inquinata, Desh.. described
from her specimens ; but, as they are evidently from mixed localities, it has
not been thought necessary to catalogue them.]

39. Nuttall. The verification of Conrad's species being of considerable
importance, I made diligent search for the original types during a recent
tour in the United States. The supposed collection at Harvard University,
Cambridge, Mass., has not been discovered by Professor Agassiz. The
inquiries which Professor Longfellow kindly made at my request resulted in
information that it was " in Dr. Wyman's Mus. Nat. Hist., in the granite
building on Howard Street ; " but no opportunity has been afforded of col-
lating it, or even of verifying its existence. Dr. Jay rendered me every
assistance in studying the types which he has catalogued in his collection,
now rearranging in his residence at Memironeck, near New York, and gave
such duplicates as could be spared for the Smithsonian Museum. Several
species, however, were not to be found, and some were clearly erroneous, as
e. g. Chama " exogyra, Conr.," which proved to be C. lobata, Brod. ; "W. L,
teste Cuming ; China, Brit. Mus. The most satisfactory information was
derived from an interview with Mr. Conrad himself at the Acad. Nat. Sci.,
Philadelphia, where the honorary curator, Mr. "W. G. Binney, afforded us
nil possible aid in eliminating types from the collections of the Academy and
of private conchologists in the city. Mr. NuttalPs death (the news of which
was received soon after) prevented his revising the corrections thus obtained.
As he had previously presented a duplicate series of his shells to the Brit.
Mus., which had been incorporated with the general collection, and had sig-
nified to me his intention to leave the unique specimens to the nation, I at
once communicated with the survivors and with Dr. Gray, who was fortunate
enough to stop the intended sale, and to secure the shells, which were kindly
presented by the executors. They are now mounted, and kept in drawers
adjoining the Reigen collection, the Vancouver collection, and the Stimp
sonian typical collection of East Coast N. American shells. The following
is a resume of corrections obtained from these different sources, numbered to
correspond with the list, Rep. pp. 194-201 :

2. " Parapholas " penita [is a Pholadidea].

3. Platyodon cancellatus has Cryptodonta myoides, Nutt. MS.].

4. Cryptodon Nuttallii, Conr. [The author, finding the generic name preoccupied

changed it to Schizotharus N. : 1852, teste Bin. Bibl. ; 1854, Journ. A. N. t 1
Phil. p. 199.=Zwrfra;-m capax. Gld.=i. maxima. Midd.. = TVesws maximus,


526 REPORT 1863.

Gray. Mr. Nuttall only brought home young specimens of this extraordinary
shell. In its adult state it assumes either a transverse form ( = capax) or
the elongated condition, redescribed in a fossil state as new. Between
these there is every gradation, as can be traced in the magnificent series in
the Smiths. Mus. ; and a caskful of the animals in spirits, of various ages,
has affiliated the large shells to the original Nuttallian specimens.]

10. Pandora punctata [is a Clidiophora. The series so named in the Nuttallian

collection belongs, however, to the Atlantic Cl. trilineata].

11. Solecurtus lucidus [is almost certainly the young of no. 12. The amount of

obliquity in the internal rib is extremely variable in the adult specimens].

12. Solecurtus Nuttallii \_=Machfsra patula, Dixon,Aulus grandis, Gmel., teste

Hds. in Mus. Cum. Mr. C.'s "grandis, var.," from Monterey, suits in its
proportions for the adult of S. lucidus. The shell has been widely distri-
buted by commerce, and appears to extend far in a northerly direction. The
animal is very beautifully fringed].

14. Solecurtus Californianus \_=S. Dombeyi, teste Mus. Cuming : non Hani. MS.].

15. Psammobia Pacijica [is a Heterodonax, probably identical with the W. Indian

H. bimaculata, which is found abundantly in its many varieties at Aca-
pulco ;= Tellina vicina, C. B. Ad.].

17. Sanguinolaria Calif orniana [=Macoma inconspicua, Brod. & Sby., and is a

northern species].

18. Sanguinolaria rubroradiata [is the young of a large species of Psammobia"].

22. Tellina alta [ = (from types) ? Scrobicidaria biangulata, Cpr.].

23. [ = Macoma edulis, Nutt. ; a northern variety of M. secta, no. 25, and quite

distinct from M. edentula.~\

26. The locality is not confirmed, and is probably erroneous.

27. [Dr. Gould considers his D. obesus a distinct species ; from a large series, it

appears identical.]

28. 29. [These species of Standella, described from young specimens, were found

of very large size by Dr. Cooper, with what may prove a third species,

perhaps S. nasuta, Gld., blimJ]
306. Petricota carditoides [with P. arcuata+cylindracea, Desh., are varieties of P.

Calif ornica. The series preserved in the Smithsonian Museum connects all

the extreme forms].
32. Mysia tumida, Conr. MS. [ = Dtplodonta orbctta, Gld., and belongs to the section

Spheeretta, Conr. The label had been assigned by accident to a young valve

of a Chione, probably from the Sandwich Is.].

83. Tapes staminea. [This is the extreme southern form of a widely diffused and

very variable species, of which the normal condition is Saxidomus Petitii,
Desh., = Venus rigida, Gld. pars. The principal varieties have been named
Tapes diversa, Sby.= Venus mundulus, Jive., and Venus ruderata, Desh.]

84. [The Callfornian Saxidomi divide themselves into three groups : the large,

southern, oval, grooved shells = & aratus, Gld. j the subquadrate, compara-
tively smooth, northern shells =S. squali(h<s-\-giganteus, Desh.; and an
intermediate form, which is the true S. Nuttallii, Conr. Some of Mr. Nut-
tail's specimens were, however, the young of S. aratus, of which the adult
was not known till very recently.]

85. [The young of this Pachydesma is " Trigona stultorum, Gray," Desh. MS. in

British Museum.]

36. Cytherea callosa [ = C. nobilis, live. It is not a Dosinia, but the type of a new
subgenus, Amtantis, differing from Callista as Mercenaria does from Venus],

87. Plate 19, fig. 16 (not 14 nor 15). [The true Venus NuttaUii of Conr. (teste
Conr. ips. and types in Mus. Phil. Ac. and Jay) is not the shell here cata-
logued, which generally goes by that name, but is a synonym for the V.
Calif orniensis, T$rod.,=succmcta, Val. The error was corrected in the Mus.
Cum. in time for the right shell to be figured by Reeve in his recent mono-
graph. It is doubtful what name Conrad intended for the shell here cata-
logued, which belongs to the group of Stutchburyi,Jluctifraf/a, &c. If really
distinct from the latter, it may stand as Chione callosa, Sby. jun. (non Conr. f]

38. Venus Californiana [(teste Conr. ips.) was intended for V. CaHforniensit.
Brod. Not having access to the type, it could hardly be recognized by the



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