PLATE L. 
Figs. 1-4. Coryphodon Jatidens, two-thirds natural size. 
Fig. 1. Mandibular ramus, posterior view. 
Fig. 2. The atlas, from below ; a, from above. 
Fig. Segment of sternum, with sternal rib slightly dislocated; a, edgewise view. 
Fig. 4. Sternal segment with sternal rib. 
Figs. 5-6. Coryphodon elephantopus, ramus mandibuli, probably of the cranium figured on Plate LI. 
Page 217. 
Fig. 5. Part of mandible, from above, a portion of left ramus wanting; a, profile of symphyseal portion, 
with view of the inside of the left ramus. 
Fig. 6. Section of inferior right canine at the base of the crown, natural size; a, section of same near 
the apex. 
Fig. 7. Premaxillary bone of the elongate type found alone; a, from below. 
