RlttO] \. 



I!. ..i BQUILl LBUM, Wal-on. IM. 7<>. li L > 



I m perforate, BOlid, Smooth, exfcept 8 few di.-t:int - 1 lira I <tri:r <m tli- 



la>c. ajtcx obtuse; whorl.- 5, COHVexlj conical, suture -lightly im- 

 -',| ; lip with a vjirix. Len-t li. 1 > mill. 



I'm-. 



|{. KMWAIMHKNSIS. \\'alson. IM. 7<, liir. 7u. 



Minutely rimate, rather thick, dull, .-mouth, ruddy h<ni color. 

 becoming whitish towards thr mouth; wliorl- 1 .the last 



tumid ; outer lip thin, slightly patulous. Length, l)'7~> mill. 



Off Prince Edward /.</. : 50-150 tms. 

 IJ. SIN-API, Watson. IM. 70, li-. 71. 



Impi'i't'oi-atc, rather >troiiL r . smooth, reddish hoi'ii-eolor, with Munt 

 apex ; whorls 4, rapidly eiilar--!!)--, convex, suture linear; lip thin. 



Length, 1 mill. 



Royal Souml, K- rgw ten 1st. 



R. TRIANGULARIS, Watson. PL 70, Hi:. 72. 



Umbilicated, smooth, white, apex blunt, suture impressed ; whorl- 

 4-', rapidly increasiim-, convex, hase with an an-le rouml the um- 

 bilicus; lip thin, slightly patulous. Length, 1 mill. 



Awnx'tnii />/.,- -I'J'M'ins. 

 \\. AI-ICINA, Yen-ill. PI. 71, %. .S"). 



Narrowly umhilicated, with acute, suhstylit'orm apex, striated by 

 jrowtli-liiies, smooth, dark In-own; nuclear whorls 4, normal whorls 

 5, convex, suture deeply impressed, last whorl with an indistinct 

 ridge below the periphery. Length, 7T> mill. 



Off New En<iln<l Co \ I'm-. 



Tlie animal has rather short, stout, taperiiiL r tentacK-s, and is ap- 

 parently without eyes. 

 J{. I.ATIOIJ. Mi-hels and Adams. IM. 71, fiir. '-. 



Narrowly umhilicateil, smooth, pale horn-<-olor, with deej) suture ; 

 whorls 4, convex, rapidly enlar^ini: ; aperture rounded, inner mar- 

 gin with a lamina. Leimlh, '2 mill. 



I am inclined to include in this species //. /*////>/./. II. ('. I.e. 

 which a single specimen \va> ohtained at Cape May, N. .1. 

 R. Ki:i:;ri:i.i.M. Smith. PI. 71. 1!-. -'5. 



Imperforate, thin, vitreous or milk white, light hmwnish at the 

 apex, polisheil ; whorls *'. convex, apex ohtu-c, -uturc very nam-wly 

 maririiM-d ; li)) continuous, slightly thickened and expanded. 



LeDgth, :> mill. 



A"- 



