356 RISSOIA. 



II. \ i:\ni.\r\. l.rusina. .I/"///, rr<nn'in. 



R. Cossurce. Calcara, R.fasciafn, He-niien and I!. Joenia, Ara<l. 

 and IJeiioit, arc synonyms. 



II. M - -urn/a. MxHitrranean. 



SnhseetioH ClNcri.FNA, MontS. 1S84. 



R. CON L, .Jeffreys. 1M. o'!l, i\>_ 



Impert'orate, scarcely rimate, semipellueid, smooth, with remote, 

 very slight incremental stria', whitish, apex oblige : whorls 4, con- 

 \\ith <lcc]> suture; aperture nearly circular, outer lip thin. 



Lenirtli, 1 mill. 



Mnlifei'i'iin'-ini Sea. 

 B. sou-T.v, IMiil. PL (>9, fig. 37. 



rcely rimate, thin, very smooth; whorls 4, very convex, the 

 last ventricose. Length, 1 mill. 



Europe. 

 //. y/oAox./. Martin, ^Fs. is a synonym. 



A i hi. in. Jetf'reys. 



ncwliat larger and thinner, with a more produced and pointed 

 spire. 



Nor tli' rii J'Airope. 



II. M \i.i Watson. PI. 70, fig. 65. 



Thin, smooth, narrowly umbilicatfed, ruddy horny, apex blunt; 



whorl- ."). >l.ijiii|M-lv llaiti'iicd, sli^htlv convex, with Enibmargined, 

 -li-litly impressed suture; lip sharp. Length, I'^o mill. 



Between Mni-'nm mul Prince Eilirnrd Is. 

 II. PRiircmB, Watson. PL 70, fig. 66. 



Impertorate, rather thick, more or less translucent, white, under 

 a thin, caducoii-. vellowish epidermis; whorls ">. niodei-ately con vex. 

 apex liliint, -ntiire rather deep ; lip sharp, patnlous. 



Len-th, '1 mill. 



II' In-, , i, M.irimi uinl I'l-ini-i- Jllirtird Is. 



II. M 9TB \\.\-, Wat>oii. PL 7>, l\<^. (n. 



[mperforate, thin, >mooth. pale horn Color, under a thin yellowish 

 epidermis; wlmrls ~>, moderately CMnvex. with slightly impre . d 

 suture; lip -harp. Length, I't't mill.. 



linilill Siillllil. K' /';/'" '' &, 



II. rnii.MMi .1. r. Watson. PL 7n. li-. 68, 



Minutely rimate. -ulihyaliiie. white, shining, apex ltu-e : whorls 

 scarcely 5, convexly conical, suture not deep, slightly margined; 

 outer lip >harp. a little patnlous below. Length, P4-"> mill. 



i m /'/ Cnnha. 



