62 PROCEEDINGS OF THE ACADEMY OF 



Fig. 11. BuLiMULUs CHRYSALIS, Pfr. Jaw. 



Fig. 12. Same ; central and lateral teeth. 



Fig. 13. Same ; nmrginal teeth. 



Fig. 14. CocHLOSTYLA FULGETRUM, Brocl. {C anistrum) ] central and 



lateral teeth. 

 Fig. 15. Same ; first marginal teeth. 

 Fig. IG. Same; extreme marginal teeth. 



Fig. 17. Helix Wetherbyi, Bland ; central and lateral teeth. 

 Fig. 18. Same; marginal teeth. 



Plate YI. 



Central, lateral, and marginal teeth of 

 Fig. 1. BuLiMUS EGREGius, Jay (Pachyotus). 

 Fig. 2. MARMORATUS, Dunk. {Dryptus). 



Fig. 3. AULACOSTYLUS, Pfr. (Eurytns). 



Fig. 4. AURis-SiLENi, Born (Pelecychilus). 



Fig. 5. Hanleyanus, Pfr. (Oiyhnus). 



Fig. 6. GLABER, Gmel. (Pelecychilus). 



Fig. 7. ODONTOSTOMus, Sowb. {3Iacrodontes). 



Fig. 8. MULTICOLOR, Rang. [Anthinus). 



Plate VII. 



Fig. A. Amphibulima patula, Briig. Dominica. 

 Fig. B. Same, to show variations in cusps of laterals. 

 Fig. C. Amphibulima patula. St. Kitts, see p. 44. 



Plate YIII. 



Fig. 1. Strophia decumana, a. Central and lateral teeth ; b. mar- 

 ginal teeth. 



Fig. 2. Amphibulima rubescens, Desh. Jaw. 



Fig. 3. Same. Lingual membrane, a. Central and lateral teeth ; 

 b. marginal teeth ; c. extreme marginal teeth. 



Fig. 4. Same. Genitalia. 



Fig. 5. Amphibulima appendiculata, Pfr. Genitalia. 



Fig. 6. Same. Lingual membrane, a. Central and lateral teeth ; 

 b. marginal teeth. 



Fig. 7. GoNospiRA Newtoni, H. Ad. Genitalia. 



Plate IX. 



Lingual dentition ; central, lateral, and marginal teeth of 

 Fig. 1. Helix pemphigodes, Pfr., Gysiicopsis. 



