HELICINA.— Plate XXVIII. 



rather rounded, columella pointed, outer lip 

 round, reflected ; ventral callus thin. 



Morton. Test. Nov. Cub. 



Hab. Cuba. 



Species 251. (Mus. Brit.) 



Helicina DiAPHANA. Hel. testd parvd, tenui, luted, suh- 

 angulatd ; spird brevi, conicd ; ultimo anfractu 

 ohtus^ angulato ; columella trigond, lahio externa 

 medio producto. 



The transparent Helicina. Shell small, thin, yellow, 

 rather angular; spire short, conical; last whorl 

 obtusely angular ; columella trigonal, outer lip 

 produced in the middle. 



I'feiffer. Proc. Zooh Soc, 1850. 



Hah. Honduras. 



Species 252. (Mus. Brit. 



Helicina fumigata. Hel. testd parvd, tenui, angulatd, 

 Icerigatd, fumoso-fuscd, fusco-nibescenti ad suturam, 

 mediumque fasciatd ; columella parvd, aculeatd, 

 labio externa alba, aiigusio. 



The fuiiigated Helicina. Shell small, thin, angular, 

 smooth, smoky-broven, vsrith a reddish-brown 

 riband at the suture and one in the middle ; 

 columella small, aculeated, outer lip white, 

 narrow. 



SowEUiiY. Thesaurus Conchylionmi. Helicina, sp. 1 9.5, 

 f. 345. 



Helicina Gorddiana, Forbes. 



Hah. Cape Flattery. 



Species 253. (Mus. Brit.) 



Helicina Orbignyi. Hd. testd dcpressd, sublenticulari, 

 uhscurc fused ; spird brevi: nltinin nnfractu ohtusis- 



sim'c angulato, callo ventrali tenui, columella parvd, 

 albd, aculeatd ; aperturd transverse ohlongd. 



Orbignt's Helicina. Shell depressed, nearly lenticular, 

 dull brown ; spire short ; last whorl very obtusely 

 angular; ventral callus thin, columella small, 

 white, aculeated ; aperture transversely oblong. 



Pfeiffer. Monograph No. 65. 



Hab. Cuba. 



Species 254. (Mr 



5rit.) 



Helicina Fokbesiana. Hel. testa parvd, svban 



fitlvo-lutescenti ; spird conicd, anfractibus parvis ; 

 ultimo anfractu medio obtuse angulato ; columella 

 minutd, alhd, aculeatd ; labia externo angusiissime 

 rejlexo, ad puncturam inferiorem tenuissivio. 



Fokbes's Helicina. Shell small, rather angular, 

 fulvous yellow ; spire conical, whorls small ; last 

 whorl obtusely angular in the middle ; columella 

 minute, white, aculeated ; outer lip very narrowly 

 reflected, very thin at the lower juncture. 



Pfeiffer. Proc. Bost. Soc, l!S50. 



Helicina verecundia ? 



H(di. Cape York. 



Species 255. (Mus. Brit.) 



Helicina minuta. Hel. testd parvd, depressd, sublenti- 

 culari, fumoso-fuscd : spird parvd, anfractibus mi- 

 nutis; ultimo anfractu medio obtuse a..gulato ; colu- 

 mella albd, brevi, acuminatd ; labio externa tenui. 



The minute Helicina. Shell small, depressed, rather 

 lenticular, smoky-brown ; spire small, whorls 

 minute ; last whorl obtusely angular in the 

 middle ; columella white, short, acuminated : outer 

 lip thin. 



Soweubv. Proc. Zool. Soc, 1^42. 



Hab. Opara Island. 



