HELICIXA.— Plate XIII. 



aperture subtrigonal, outer lip white, reflected : 

 columella subtrigonal, smaU; apex elevated. 



Pkicikfek. Proc. Zool. See, 1856. 



Hah. Mexico. 



A more solid shell than Uelicina Heloiscc, with a more 

 elevated spire. 



Species 112. (Mus. Bnt.) 



Species 111. (Fig. », b, Mus. Brit.) 



Helicina HeloiSjE. Hel. testa glohoso-conicd, flavidd, 

 iionnunquam superne dimidiatim jmrpureo fasciutd; 

 spird conicd, anfractibus distinctis, rotundis ; apei'- i 

 turd pa7-vd, labio externa refiexo, tenui, coliimeUA 

 ctassiitseuld, lata, suharcuatd. 



Heloise's Helcina. Shell globosely-conical, yellow, 

 sometimes banded with brown half way above ; 

 spire conical, with distinct rounded whorls ; aper- 

 ture small, outer lip reflected, thin, columella 

 rather thick, broad, rather arched. 



Salle. Proc. Zool. Soc, 1856. 



Hnh. Mexico. 



Helicina Lindeni. Hel. testd tenui, subtrochiformi 

 obscure angulatd, fasco-cinered, superne maculii 



pnnctisque nebulosis variegatd, vel alba ; apice 

 mucronato, anfractibus quinqiie ; aperturd subauri- 

 forrn, intus vel ad marginem aured, labio externn 

 tenuiter reflexo ; columella breviuscttld, angulatd. 



Linden's Helicina. Shell thin, rather trochiform, 

 obscurely narrowed, ash-brown variegated above 

 with clouded spots and dots, or white ; apex mu- 

 cronate, whorls Ave ; aperture subauriform, golden 

 within or at the margin ; outer lip thinly reflected : 

 columella rather short, angular. 



Pfeiffer. Zeitschrift fiir Malacologia, 1847, p. 126. 



Hab. Mexico. 



Species 113. (Mus. Brit.) 



Helicina tellucida. Hel. testd parvd, subconicd, pel- 

 Incidd, subvividi ; spird elevatd, anfractibus qua- 

 tuor, parvis ; ullivio anfractu rotunda ; aperturd 

 subtrigond, calumelld rectiiisculd, brevi ; labia ex- 

 terno tenui reflexo. 



The pellucid Helicina. Shell small, subconical, 

 pellucid, rather green ; spire elevated, whorls four, 

 small, last whorl rounded ; aperture subtrigonal ; 

 columella rather straight, short ; outer lip thin, 

 reflected. 



SowEEBY. Thes. Conch. (1st monograph), fig. 40. 



Hab. French Guiana. 



