ON MOLLUSCA OF THE WEST COAST OF XORTH AMERICA. 559 



Page. No. PI. Fjg. 



34 . . . . Cisfula trnchlearu. Pfr. 



, . 3P . , , . Chtmdriipiimd riihiooi'Iinn, Morelet. 



3o .. .. J'/''//rt/'»Jrt.«!^o;Hrt,si«iM/rtrrMm,Morelet. DescribedfromCostaRica. 



37 .. .. C'l/c/uphorus po>u/ero.sHs, V(r. 



38 . . . . Ci/cloj)horus transJncidun, Sby. 

 2^33 39 26 11. Mncrocefumus polt/streptus, n. 3. 



40 20 9, 10. Helicina Sulrini, n. s. Like H. turhinata, Wiegm. Mexico. 

 , . 41 . . . . JJfh'ciiia amaena, Pfr. 



42 . . . . HelicDia Oireinana, Pfr. 

 . , 4-'J . . . . Hfiicina merdiffera, Salle. Described from Nicaragua. 

 , . 44 , . . . Hfiicina Lindeni, Pfr. 



45 . . . . Helicina chn/seis, n. 8. Mountain forests of Vera Paz. 

 ,.46,47,48. . .. Paludinella, 3 species apparently undescribed. 

 . . 49 . . . . Fachycheiliis corvinus, Morelet. Lai'ger than in previously 

 noted habitats. 



The vol. for 1863 contains Dr. Baird's descriptions of now species from 

 the Vancouver collections of Lord and Lyall, which will be tabulated, injrii, 

 par. 103 ; and the Review of Prof. Adams's Panama shells, which has already 

 been quoted. 



60. Sowerhy, ' Conchological Jlltistratiom,' 1841. — The following are addi- 

 tional localities or synonyms : — 



Ko. Fig. 



2 46. Cardittm Indictim [is exotic ; closely allied to C. cosiattiml. 



56 18. Cardium niaculattim, Sby. Cal., &c. = C. maculosum, Sby. (preoc ). 



90 .. Murex imperiaiis, Sw&ms. Cal. =3/. ;}o»jw?«, var. Gmel. [Peiliaps dis- 



tinct ; may be the W. I. analogue of bicolor.] 



91 38. Murex erythrostoma, Swains. Acapulco. \y = bicolor, var.] 



45 102. Cypraa albxiginosa, Gray. Mexico, Ceylon. [The Ceylon shell is pro- 

 bably /JornnVi, sp. 44.] 

 1 45. Erato scabriasnda,GT&\. Acapulco. =Marfftnella cyprfpola, Shy. 



62 40. Fissurella Liucolni, Gray, MS. [An extremely tine specimen i supposed 

 " unique ") of Gli/phis aspera, Escb. Mr. Lincoln is also quoted for 

 the " finest of the four known specimens " of Lucapiua cretudata, sp. 19, 

 f. 31,38: "Monterey."] 



54 [Erase this line in the former Report, and substitute as follows : — ] 



55 Bulimm unifasciatus, Sby. Galapagos. 



* Thesaurus Conch ifliorum,' G. B. Sowerby, &c. To the list in Rep. pp. 

 288, 289, may be added :— 



Page. PI. Fig. 

 61 12 23. Pecten circularis, Sby. Cal., St. Vincents. [The name may 



stand for the W. Indian shell, the Califomian being P. len- 



tricostis, ^ua.] 

 r>7 12 20,21. Pecteti laiiatiritm, Conr. Cal. +" P. viesotimo-is, Conr." 

 261 59 144. Tcllifia sincera, llenA. N.W. Coast America. [ = Panama."] 

 769 165 36-38. Vencrupiscylindracea, Dtsh. CaI., = Pcfricoia Califuniiea,Co'^r,f 



+ P. arcuata, Uesh., + P. sulylubosa, Sbv. 

 865 179 bQ-77. Cerithiumocellatmn,\\ru^. (Ju'.f Cal, &c. =C. irroratmn[C. 



B. Ad. (Gld. MS.) ; non] Gld. E. E.,= C. interrujdum [C. B. 



Ad. : non Mke, nee] Gld. 



Bp. Fig. 



47 43,44. Conus* interruptm, Mawe, Wood. [Slender, coronated sp.] non 

 Br. and Sby. Hab. ?— 



* Mr. Sowerby remarks, " As the collector's great object is to know the shells, I have 

 preferred, in most cases, giving the species as they stand, stating the alleged differences, 

 and leaving the final decision to individual taste." He further state?, with regard to some 

 groups, that "the characters of the shells are very imcertain, and the intentions of the 

 authors still moi-e so." The names, references, and locahties are given on lists to face the 

 plates, and the diagnoses separately, with a copious index. An attempt also u itiade to 



45 



