EXPLANATION OF PLATE 14. 



All 'figures three -fourths natural size, excepting Figs. 4 and 5, which are 

 three times natural size. 



Fig. 1. — Allomeryx planiceps, n. gen. and sp. Cranium from the left side- 

 Fig. 2. — Allomeryx planiceps, n. gen. and sp. Cranium from below. 



Fig. 3. — Hypertragulus, sp. Eight mandibular ramus. The dotted outlines 

 are restored after Scott. 



Fig. 4. — Peroinyscus parvus, n. sp. Portion of maxillary containing first 

 and second left superior molars. Occlusal view. X 3. 



Fig. 5. — Peromyscus parvus, n. sp. Eight mandibular ramus from above. 

 X3. 



Fig. 6.— Entoptychus sperryi, n. sp. Cranium from above. 



Fig. 7. — Entoptychus sperryi, n. sp. Cranium and mandible from the left 

 side. 



Fig. 8. — Entoptychus rostratus, n. sp. Cranium from below. 



Fig. 9. — Entoptychus rostratus, n. sp. Cranium from the right side. 



