AixEN. — New Fossil Mammals from Cuba. 



EXPLANATION OF THE PLATE. 

 (All figures drawn with camera lucida). 



Figs. 1-3. — First lower cheek-tooth (ptHi) of Capromys, right side. 

 Fig. 1. — Capromys prehensilis. X 5. 

 Fig. 2.— C. jrilorides. X 5. 

 Fig. 3. — C. melanurus. X 5. 

 Figs. 4r-6, 8. First lower cheek-tooth {pvu) of Geocapromys, right side. 

 Fig. 4. — Geocapromys hrownii. X 5. 

 Fig. 5. — G. thoracalus. X 5. 

 Fig. 6. — G. ingrahami. X 5. 



Fig. 8. — G. cubanus (immatiire), from the type. X 6.1. 

 Fig. 7. — Upper cheek-teeth of Geocapromys cubaniis, to show enamel pattern. 



X5. 

 Fig. 9. — Lower molars (wh-s) of an adult G. cubanus. X 5 + . 

 Fig. 10. — Boromys torrei, from the type, showing the form of the palate, the 

 right upper premolar (pm*) and left upper first molar (m^) . X 3.5. 

 Fig. 11. — Enamel pattern of the crowns of the three anterior cheek-teeth, 



lower jaw, of Boromys torrei. X 5. 

 Fig. 12. — A lower molar of Boromys torrei, less worn than those in the pre- 

 ceding figure, showing the shallow secondary reentrant. X 5. 

 Fig. 13. — Fragment of right lower jaw of Boromys torrei. X 3. 

 Fig. 14. — Portion of right lower jaw of ?Nesophontes viicrus, showing pnu, 

 mi, nii, in place and roots of ws. From the type. X 2.7. 



