2J2 Pmama, Sheik- cyclos?;9:^id^. 



315. 4,iwi(m].a jtrlllneata. Nqv. sp. 



Shell obovate: dark brownisli red,' with three revolving dis- 

 tant white lines on the 'last whorl, of which the anterior line is 

 not so well defined : rufous on the columella : with irregular 

 stria) Qf growth : apex obtuge ,? spire very qm^,!!, with Ijhe put- 

 lines curYilinea,r : whorls — r-,* vefy narrow, imbricately 

 appressed, with the suture distinct : last whorl very large, cpa- 

 vplate : aperture very long, narrow : labrum not sharp, with a 

 deposit over the whole visible interior, which is transversely 

 plaited : at the end of the columella with a twisted plait, sepa- 

 rated, by, a sipHs4ror[i ,9, Jftrge tri^inay^ii^e p}{iit,.abpye(Yfhj(?h,?re 

 four -small ,apprpxim^te .trjinsy^rse, pj^it§. 



Mean idiyergenoe (about ,J,35°,; .kngth .,71 ,iAQh.; iT;^TSa4th.43 

 inch ;, length, of .spire ,05 inch. 



'Station.- — Unknown, 



.Only X specimep wa^ ifpiind. 



316. Auricula r—. . Sp. indet 



Station. — Under stones at high water^ mark. 



Habitat.— ,Fa.na,Tna, ; C. B. A. ! 



We obtained 2 specimens, .which, although jfum^^ure, appear 

 distinct from the. other specif of Auricula. 



Family— CYCLOSTOMID^. 



iBRUWC A.ia>EJLIi A.^We include this genus, as .well . aa 

 iPedipes and Auricula, . in this . paper, ■ because they are maritime 

 in their habits. Their geographical distribution, rcorresponding 

 with that of the marine genera, is entirely different from that of 

 the terrestrial molluscs. 



» In our unique specimgn the s\ituv^,oftheiuppe».,wllo)4a,J8,Qblitemfid' by .ero- 

 sion. Probably the number of whorls is BJ^ or .s^yen. 



