C1LANDINA. 



109 



Sub-gen. streptostyi.a, Shuttleworth. 



Shell ovate-oblong, or sub -cylindrical, the last whorl atten- 

 uated ; aperture narrow, the right margin often indexed; 

 columella strongly contorted, furnished with a callous lamina, 

 deeply intrant, and scarcely truncate anteriorly. 



coniformis, Shuttl. 

 Cubaniana, D'Orb. 

 cylindracea, Pj'eiff. 

 Dysoni, Pfeiff. 

 episcopalis, Morel. 

 davesceus, Shuttl. 

 irrigua, Shuttl. 

 Lattrei, Pfeiff. 

 ligulata, Morel. 

 lurida, Shuttl. 

 lymneiformis, Shuttl. 



meridana, Morel. 

 mitriformis, Shuttl. 

 Nicoleti, Shuttl. 

 nigricans, Pfeiff. 

 Peruviana, Lam. 

 physodes, Shuttl. 

 Richardi, Pfeiff. 

 streptostyla, Pfeiff. 

 suturalis, Pfeiff. 

 ventricosula, Morel, 



Sub-gen. acicula, Risso (Cionella, Jeffr., not Beck. Hydastes, 

 Parr. Columna, Crist, aud Jan, not Perry. Achatinella, 

 Schliit., not Swains.). 



Shell subulate, white, striated, thin ; spire acuminate ; colu- 

 mella truncate at the base, peritreme simple, acute. 



acicula, Midi. 

 aciculoides, Jan. 

 Algira, Brug. 

 arcuata, Pfeiff. 

 Candida, Shuttl. 

 cylindrella, Morel. 

 dilatata, Ziegl. 

 Gayana, G. B. Adams. 

 Gossei, Pfeiff. 

 gracilior, C. B. Adams 

 gracilis, Lowe. 



VOL. II. 



Gundlachi, Pfeiff. 

 impressa, Pfeiff. 

 iota, C. B. Adams. 

 laevis, C. B. Adams. 

 longispira, C. B. Adams. 

 micaus, C. B. Adams. 

 osculans, C. P>. Adams. 

 producta, Lowe. 

 striosa, C. B. Adam,-;. 

 subulatoides, D'Orb. 

 turris, Pfeiff. 



Q 



