IIELICINA.— Plate XXII. 



Ida's IIelicina. Shell small, depressed-conical, 

 reddish, smooth ; spire depressed ; last whorl 

 angular, with a yellow band in the middle ; aper- 

 ture small, depressed, brown within ; ventral 

 callus very thin, columella minute, outer lip 

 white, reflected, flattened. 



PFEiFFEn. rroc. Zool. Soc, 185C, p. 339. 



Hah. ? 



Species 19,3. (Fig. a, b, Mus. Brit.) 



Helicina ]\Iacgillivrayi. Ilel. testa parvd, compresso- 

 conicd, ruhro late bifasciatd ; spird depressd, 

 laterihus convexis ; ultimo anfractu 7vtundatim 

 subangulato ; ajyertm'd parvd, lahio externo tciiiii, 

 reflexo. 



Macgillivrat's Helicina. Shell small, compressed- 

 conical, with two broad red bands ; spire de- 

 pressed, with convex sides; last wliorl roundly 

 subangular ; aperture small, outer lip thin, re- 

 flected. 



Pfeiffer. Proc. Zool. Soc, 1855. 



Hah. Isl. of Pines, South Seas. 



A pretty little half compressed, half globose red- 

 banded species. 



Species 194. (Fig. a, b, Mus. Brit.) 



Helicina virens. Ilel. testa glohoso-angulatd , pallid'e 

 viridi vel luted, fusco fasciatd ; spird elevatd, conicd, 

 anfractibus convexiusculis,carinatis ; ultimo anfractu 

 magno, medio carinato ; callo ventrali tumido ; 

 ailumelld cum labium externum conjluenti ; labia 

 externo plamdato, reflexo, medio latiiisculo, angu- 

 lato. 



Tde greenish Helicina. Shell globosely angular, 

 pale green, or yellow with brown bands ; spire 

 elevated, conical, keeled in the middle ; last 

 whorl large, keeled in the middle ; ventral callus 

 tumid ; columella confluent with the outer lip ; 

 outer lip flattened, reflected, rather broader in 

 the middle, angular. 



Pfeiffer. Proc. Zool. Soc, 1850. 



Hab. ? 



One of the most strongly keeled shells of the group. 



