AGHATINA §. 5. 263 



tum. — Long. 26, diam. 6 mill. Ap. 7 iiiill. longa, supra basin 

 3 1ata. (Coll. Nr. 24.) 



Helix terebraster (Cochlicopa) Fer. pr. 370 et Mus.! 



BicHmus terebraster Lam. 28. p. 124. ed. Dh. p. 234. 



Achatina terebraster Gray in Ann. of Phil. New ser. iX. p 414. 



— — Voigt Cuv. Thierr. III. p. 98. 

 SubuUna terebraster Beck ind. p. 77. N. 7. 

 Lister t. 2 0. f. 15? (Fig. rud.) 



Habitat in insula Portorico. 



56. A. semitarum THelix) Rang. f v/. ^~M C-'- •'V'f^''^- 



T. subulata, apice obtusa, pallide cornea, longitudinaliter 

 substriata, nitida; anfr. 10 subplanulati, ultimus '/4 longitudinis 

 vix superans; columella valde arcuata, ad basin aperturae obli- 

 que truncala; apertura oblongo-acuminata , basi lata; perist. sim- 

 plex, margine dextro antrorsum subarcuato. — Long. 28, diam. 

 67, mill. Ap. 7 mill. longa, medio 4 lata. (Coll. Nr. 25.) 



Helix semitarum Bang in Mus. Paris. 



Achatina semitarum Jay catal. 



— ■ — Pfr. Symb. II. p. 59. 



— octona Turt.lld.n. f. 72? 



— — Gray Man. p. \ 8. t. 6. f. 72? 



Habitat in Antillis (Petit de la Saussaie). 



Obs. Differt a praecedente sutura distinctiore , apice obtuso et columella 

 angusla, arcuatim ad basin aperturae producta , etc. 



57. \.Trme^ji^^/^^'^^^'i^^ - 



T. turrito-subulata, apice obtusa, subtilissime striatula, ni- 

 tida, coi^neo-brunnea, strigis saturatioribus obsolete variegata ; 

 sutura levis; anfr. 4 2 planulati, ullimus distincte angulatus, 

 '/4 longitudinis non aequans; columella strictiuscula , basi oblique 

 truncata; apertura subtetragono-semiovalis; perist. rectum, acu- 

 tum. — Long. 25, diam. 6 milL Ap. 6 mill. longa, 3/4 lata. (Coll. 

 Nr. 26. ) 



Achatina Fraseri Pfr. Symb. III. p. 90. 



— — Phil. Icon. II. 16. p. 216. t. i. f. 6. 



— involuta Gould in sched. Curaing. 



Habitat in ripis fluvii Nun Africae (Sowerby), in Promontorio Pal- 

 marum (Gould). 



58. A. striatella (Helix) Rang. 



T. turrito-subulata, tenuiuscula, oblique confertissime cosili- 

 lato-striata, diaphana, cerea; spira elongata, apice obtusiuscula ; 

 anfr. \ convexiusculi . ultimus obsolete angulatus , '/4 longitudinis 



