528 REPOKT — 1863. 



The specimens numbered 2, 5, 8, 9, 19, 21, 28-31, 36, 44, 46, 49, 50, 52-54, 50, 

 50, 64-67, 70-72, 76, 84, 86-88, 98, 101, 103, 104, and 109 do not appear in the 

 Brit. Mus. NuttaUian collection. 



41. Voy. Venus. — Rev. Zool. and Guer. Mag. 



Area trapezia \_=A. ttibercuiosal. 



Saxicava leyumen \ = S. pholadis ; Pfrom hole o{ lAthojjhafftts]. 



Petrkola arcuata [=the normal state of P. carditoides, Conr.]. 



Peti-icola cyli-ndracea [=a short form of the same sp., developing ridges of growth, 



like Tapes ruderata, Desh.]. 

 Venerwpis gigaritea\j=Saxidmniis squalidvs,Ji&^.'\. 

 Cyrricardia Biiperreyi [= C. Ouinaiaca, Lam.,= C. Califomica, Conr. A Sandwich 



Island species, twice quoted, but not confirmed, from Cal.]. 

 Cardium Zaperoussii [is an AphroditeyVike Grcenlandieum, but more transverse, and 



with lateral teeth less developed. This veiy rare and probably boreal shell has 



just been identified from Adm. SirE. Belcher's coU.l. 

 Cardium Califomiense, Desh. [is not C. Californianum (=N'nttaUi{), Conr. ; but= C. 



pseudofossiie, Eve., 1844. The name of I)esh. is unfortunate, as his shell is the 



Kamtschatkan form with strong ribs. The Califomian form is smaller, with 



fainter ribs,= C blandum, Gld.]. 

 Purpura Freycinetii [is figured from a very extreme form of the Japanese species, 



P. ostrina passes into similar varieties]. 

 Tehdina MuUeri [probably = V. Iceiiigata, which reaches Vancouver]. 

 Lucina cristata [= Tellidora lunulata, Holmes ; described from the Pleistocene of S. 



Carolina, and lately dredged alive by Dr. Stimpson ; not T. Burneti]. 



The following may be added to Deshayes' list : — 

 PI. 81. Tellina ligamentina, Desh., 1843. Hah. ? — [ = Macoma secta, Conr.] 



Tellma Japonica, Desh., in Mus. Cum. [also appears to be M. secta, jun.]. 



In Valenciennes' plates to the Voy. Ven. have been recognized the follow- 

 ing West Coast species and synonyms, in addition to those quoted in Eep. 

 pp. 203-204:— 



Plate. Fig. 



3 2. Trochm diadematus, Val. [resembles Pomatdax undosus, jun., but the sur- 



face is faintly wrinkled all over ; umbilical region not chiseled ; and 

 operc. not ridged. It is probably intended for Pachypoma gibberosum']. 



4 1. Trochm rubiginosus, YaX. [probably= T. annvlaim, Mart.]. 



2. Trochus pellucidxis, Val. [resembles T.lima, Panama]. 

 6 3. Succinum Prei:ostii,ya!L. {^Tcohahly = Pisania pagodus]. 



8 1. Purpura hufonides, Val. [appears one of the many vars. of P. biserialis']. 



9 1. JVr/jMmnipesim, Val. [probably = Jfonoceros %t/ir(',jim.]. 



10 1. Murex aciculiger, Val. [is represented with labral tooth and closed caual ; 

 but resembles C.festimts, Hds.]. 



3. Murex tortum (Brod.), Val. [resembles Ph. princeps, with a very poor 



operc, badly drawn]. 



16 1. Venm Thouarsii, Val. [? -multicostata, Shy. ; figured with very broad, 



smooth, close ribs, scarcely indented, except in the middle]. 



3. Venus pectuneuloides, Val. [is probably T. grata, not hktrionwa']. 



17 2. Cardium subelongatum (Rve.), Val. [appears= C. procenim, jun.]. 



18 2. Pecten comaius, Val. (may he^hoMatus/^vta. ; but, although figured with 



out the red spot, it most resembles Hin. giganteus, jun.]. 



19 1. Peeten excavafus, Val. [=Ja«jrn dentata, Sby.]. 



8. „ pomatia, YaX. [may he = P. ventn'cosiis, jun.]. 



4. „ rasteUinum, Val. [=P. hastatus, jun.]. 



oo 1 ^**T. ■'/''''"•'•'^'^V [" Acapulco," with large plates, = O. megcdon, Hani.]. 



22 1. Cardtta arcella. Vat. [.!>= Ven. radiata, Shy.]? j-i.i'n-j. 



2. „ modulosa (Lam.), Val. [ = Zazaria ajinis]. 



3. „ turgida (Lam.), Val. [= Ven. latieostata]. 



5. „ Michelini, Val. [= V. Ouviert]. 



£3 2. N^iindadivaricata,ya]..lpTohMj = y\ea8trensis']. 

 24 1. Penitella Conradi, Val. \ma.yhe = Pholadidea ovoidea^ 



14 



