573 heport— 18G3. 



Centr. Am. [The Pacific shells should rank with species 22, if sup- 

 posed distinct. The fig. is 24, not 23.] 



24. Dione exspinata, Eve. Centr. Am. Distinct, if the others are ; like semila- 



mellosa, without spines. [Appears to he C. roseo, jun. The fig. is 23, 

 not 24.] 



25. / Biune circinata, Bom. Mazatlan, Mus. Cum. [without authority.] = V. 



28, a, b. \ rubra, Gmel.,4- V. Ouinemsis, Gmel.,+ C. alternata, Brod. [f. 28 repre- 

 sents alternata; the other figures appear to be from West Indiau spe- 

 cimens, though that ancient locality is not mentioned. Several of the 

 reputed West Coast shells are, however, of the typical fonu and colour.] 



83. Dime unieolor, Shy., = Chione hadia, Gray, = C]ith. ligula, Anton. W. Columbia. 

 38. Bione prora, Conr. "Cape St. Lucas, Xantus, California; Carpenter." 



[A very distinct form amon^ the thin inflated species ; only yet found at 



the Sandwich Is., v. no. 45.] 



45. "(Mus. Smithsonian Institute of N. America.) This shell, from Cape St. 



Lucas, Xantus, California, proves to be the Bione prora (Cytberea prora, 

 Conr.) of our preceding plate." [Mr. Sowerby's figure well represents 

 the unique specimen from Cape St. Lucas, which was taken alive by Mr. 

 ^ „, Xantus. The quotations in Conch. lo. would lead to the inference that 



" Xantus '' was regarded as that part of " California " in which Cape St. 

 Lucas is situated. Both the external and internal characters require . 

 that a separate name be given to the shell, which stands as Qallistapol- 

 licaris, Annals Nat. Hist. vol. xiii. p. 312.] 



46. Cytherea consanguinea, C. B. Ad. Mus. Cum. Apparently a small spe- 



cimen of a variety of C. Icela. [Panama. Differs from C. leeta in inter- 

 nal characters.] 



62. Bimie pannosa, Shy., = Cytherea luiea, K.ooh,+ Callista puella, Cpr. Chili, 

 Peru, Mazatlan. [No authority for Mazatlan. The name puella given 

 to the Cape St. l^ucas specimens was intended as varietal ; although 

 Mr. Cuming regards the Peruvian and Peninsidar forms as distinct. It 

 is not known along the Central American coast.] 



25. Circe nummulina, Lam. " Central America." [Probably not from the 

 American seas. Admiral Sir E. Belcher is, however, confident that he 

 dredged many well-known E. Indian forms in deep water, ofi' San Bias.] 



27. Cytherea. In this genus are grouped the Triyonce ; besides the typical species, 

 = Me>'etrix, Gray. 

 3. Cytherea erassatelhides, Conr. "Bay of California." [Not known geogra- 

 phically. The shell is not found in the Gulf, being a most characteristic 

 Californian species. San Francisco, S. Diego, &c.] 



27. Cytherea radiata, Sby., + C. gracihor, Sby., = V. Salangemis, D'Orb. = T. By- 

 ronensis, Gray. Salango and Xipixapi, 9 fms. sandy mud, Cuming. 



45. Cytherea nitidula, Lam. Mediterranean. [The figures and descriptions of 

 Sby. and Eve. well represent specimens from Cape St. Lucas, Xuidiis. 

 Perhaps not identical with Lam.'s species.] 

 9. Tapes grata, Desh. Philippines. [May stand as T. Beshayem, if it be con- 

 ceded that Say's V. grata ranks best with Tapes.] 



7. Solarium granulatum, Lam. Mexico. 



8. iSolarinni verrucosum, 'Phil. W.Indies. ? = S. gramdatum, var. 



13. Solarium placentula,[Vlve.=placentale,']Rds. Bay Magdalena, 7 fms. , Belcliei: 



19. Solarium quadriceps, lids. Panama. Young state of same tj'pe as sp. 7 and 8, 



" from same locality (Pan., Mex., W. I.)," but grows much larger. [The 



Texan shells in Mus. Smiths, are as large as those from Cape St. Lucas : 



the variations on each coast are coordinate.] 



63. Kiener. — The following species may be added to tte list quoted from. 

 " Coquilles Vivantes," in Eep. pp. 293, 294 : — 



raee. PI. Fig. 



{3 2 ) 

 ll! 4. ( ^""^ regius, Chem., = C. princeps, Ln., W. Mexico. 



lOO' 1 1* I ^"'"^ LargiUierti, Kien. Mexico. [Coast not stated,] 

 ' ' ■' 58 



