II E L I C I N A. 



Species 98. (Fig. a, b, l\Ius. Brit.) 



IIelicina cra.ssil.\bris. Ilel. testa crassa, compicssa, 

 angulatti, pallide mbescenti, apice ruhro, aperturd 

 el callo columellari aured ; spird dep7-e.i.id ; ultimo 

 anfractu compresso-amjalato ; aju rtanl parrd, 

 callo columellari rotundo, cohniti'lli iimr.'i.ivnhatd; 

 labia extemo crasso, /latid rejli-.oi, snjx'nir dq>rcs.'<u, 

 medio obtuse ani/ulato. 



The thick-lipped Helicina. Shell thick, compressed, 

 angular, pale red, ape.x red, aperture and colu- 

 mellar callus golden ; spine depressed ; last whorl 

 compressed, angular ; aperture small, columellar 

 callus rounded, columella small, aculeated ; outer 

 lip thick, not reiiected, depressed above, middle 

 obtusely angular. 



Philipm. Zeitschril't fur Malak., 1847. 



Hab. Venezuela. 



A curiousl}' flattened, thick species. 



Species 99. (Mus. Brit.) 



Helicina Cuittyaxa. IIcl. tesid trochi/ormi, aciimiiiatd, 

 liris dislantibus spiralibus cinctd, luted, viridi 

 nibroque lineatd et maculatd ; ■ultimo anfractu 

 medio angidato, carina serratd annato ; aperturd 

 subrotundd, labia externa alba, lata, expanso ; colu- 

 melld rectiiisculd, planulatd. 



Chitty's Helicina. Shell trochiforni, acuminated, 

 girt with distant spiral ridges, yellow, spotted 

 and lineated with green and red ; last whorl 

 angular in the middle, armed with a serrated 

 keel ; aperture rather rounded ; outer lip white. 



coll 



rather straight, 



broad, expanded ; 



flattened. 

 Pfeiffer. Proc. Zool. Soc, 1857. 

 Hab. Cuba. 



A more trochiform shell than Helicina pulchella, 

 with the spiral striie more distant and smooth. 



Species 100. (Mus. Brit.) 

 Helicixa Petitiaxa. Hcl. tcstd fnhtrochiformi, 

 spiraliter Striatd, striis rotuudis, luted, ultimo an- 



fractu rotundato ; labia externa expanso, radiatim 

 cri'tiuhito ; cotiimelld angustd, rectiiisculd, ad ter- 

 miiaim amjulatd. 



Petit's Helicina. Shell rather trochiform, spirally 

 striated, strice rounded, yellow, last whorl 

 rounded ; outer lip expanded, radiately crenu- 

 lated ; columella narrow, rather straight, angular 

 at the end. 



Orbignt. Moll. Cub., i. p. 247. 



Hab. Cuba. 



The last who'l is more re 

 ceding, and the outer lip of 

 flattened, expanded, and rayed w 

 of the body. 



ded than in the pre- 

 le aperture is broad, 



Species 101. (Mus. Sowerby.) 



Helicina Tankervillii. Hcl. testa magnd, Med, tro- 

 cJdfarmi, spiraliter serrato-striala ; s^nrd conicd, 

 anfractibus convexiiiscuUs, supra maculis rubiis 

 distantibus ornatis ; tdtimo anfractu ventricosd, in 

 medio serrato-carinatd, infra carinam rubra 

 lineatd ; labia externa expanso, radiatim crenulato ; 

 columcUd subtartud, complanatd, cum labium ex- 

 ternum conjluenti. 

 Tankerville's Helicina. Shell large, yellow, trochi- 

 form, spirally serrato-striated ; spire conical, 

 whorls rather convex, ornamented with distant 

 red spots above; last whorl ventricose, with a 

 serrated keel in the middle, red-lined below the 

 keel; outer lip expanded, radiately crenulated ; 

 columella rather tortuous, ilattened, confluent 

 with the outer lip. 

 Gr.\t. Zoological Journal, i. p. 250. 

 Hab. Jamaica. 



This beautifid species was extremely rare in col- 

 lections till within a comparatively recent date. 



Species 102. (Fig. a, b, Mus. Brit.) 



Helicina oplma. irel. testa subgloboso-trochifarmi, 

 spiraliter striatd, alba, liridi maculatd vel luted 



ubro meiculatd et fasciatd : ultimo anfractu i 



sntr 



April, 1873, 



