528 REPORT — 1863. 



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

 59, 64-07, 70-72, 76, 84, 86-88, 98, 101, 103, 104, and 109 do not appear in tiia 

 Brit. Mus. Nuttallian collection. 



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

 Area trapezia [ = A. tuberculosa']. 



Saxicava Irt/umen [ = S. p/ioladis ; ?from hole oi Lifhophagtts]. 

 Petricola arrnata [ = the normal state of P. carditoides, Conr.]. 

 Petricola cyUndracea [=a short form of the same sp., developing ridges of growth, 



like Tapes ruderata, Desh.]. 

 Ve7ierupis ffupmtea 1 = Saridonm^ sqiialidus, Besh.']. 

 Cym-ieardia ' Diiperreyi [= C. Guinaiuca, Lani.,= C. CaUformca, Conr. A Sandwich 



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

 Cardium Laperoussii [is an Aphrodite, like Gra'tdandicum, but more transverse, and 



with lateral teeth less developed. This very rare and probably boreal shell haa 



just been identified from Adm. SirE. Belcher's coll.]. 

 Cardium Calif or nieiise, Desh. [is not C. Culiforniamim (=Nuttallii), Conr. ; but= C. 



pseudofossiie, Rve., 1844. The name of l)esh. is unfortunate, as his shell is the 



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



ftiinter nbs,= C'. hlandum, Gld.]. 

 Purpura Freycinetii [is figured from a very extreme form of the Japanese speciea. 



P. ostrina passes into similar varieties]. 

 J'ehdina Midleri [probably = V. Iceiiyata, which reaches Vancouver]. 

 Lucina criMata \^=.TeUidora lumdata, Holmes; described from the Pleistocene of S. 



Carolinii, and lately dredged alive by l>r. Stimpsou ; not T. Burnetii 



The following may be added to Deshayes' list : — 

 PI. 81. TeUiiia liyarnentina, Desh., 1843. Hah. ? — \^z=Macoma secta, Conr.] 



Tellina Jajwnica, Desh., in Mus. Cum. [also appears to be M. secta, jun.]. 



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

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

 pp. 203-204 :— 



Pi«te. Fig. 



3 2. Trochus diadematus, Val. [resembles PomauJax imdosus, jun., but the sur- 



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

 operc. not ridged. It is probably intended for Pachypoma yilberosum], 



4 1. Trochus ruhiyinosu^i, Val. [probably =r. anmdatus, Mart.]. 



2. Trochus peUucidus, Val. [resembles T.linw, Panama]. 

 6 3. Puccinum Pre'ostii,\al. [Y>roha.h]y = Pisa/na payodus]. 



8 1. Ptrpura bufonides, Val. [appears one of the many vars. of P. hiserialis']. 



9 1. Purpura rupestris, Val. [probably = i»/o«or<'ros luyuhre,]\m.']. 



10 1. Murcx aciculiyer, Val. [is represented with labral tooth and closed canal ; 

 but resembles C. festivtis, Hds.]. 



3. Murex tortuus (Br'od.), Val. [resembles Ph. princeps, with a very poor 



operc, badly drawn]. 



16 1. Venus Th&uarsii, Val. [? = mulficostata, Sby. ; figured with very broad, 



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

 3. Venus pecfunculoides, Val. [is probably T. yrafa, not histrionica']. 



17 2. Cardium suhelonyatum (Ptve.), Val. [appears= C. procerum, jun.]. 



18 2. Pecten comattis, Val. (may he=hastatus,]\\n. ; but, although figured with 



out the red spot, it most resembles Ilin. qigatiteus, jun.]. 



19 1. Pecten excavatus, \al. [ = Janira dentuta, Sby.]. 



3. „ pomatia, Val. [may be = P. veyitricosus, jun.], 



4. „ rastelHnum,\&\.[ = Pha4atus,]\m.']. 

 Ostrea ya/lus,Y^\ [" Acapidco," with large plates, = O. meacdon, Hani 1. 

 Cardita arcefla, \ al. [?= Ven. radiaia, Sby.]. 



„ modulosa (Lam.), Val. [ = Lazaria ajfinis']. 

 „ turyida (I.am.), ^^^l. [= Ven. laticostuta]. 

 Michelmi, \tA. [= V. Cuvieri]. 



Nuada diraricata, Val. [probably = V. casfrensis']. 

 Penitellu Conradi, Val. [may be "= P/jo/af/j( ' 



dea ovoideal. 



14 



