PLATE XXV6. 



Figs. 1-7. — Protopsalis tigrinita Cope. Natural size. Page 3:i2. 



Fig. 1. — Supposed last iuf'erior molar, external side; a, internal side. 



Fig. 2. — First or second inferior true molar, lacking the anterior part, external side; a, internal side. 



Fig. 3. — Right iiilV'rior caniuo, external view. 



Fig. 4. — Left mandibular ramus, posterior part. 



Fig. 5. — A posterior dorsal vertihr.a, right side; a, anterior articular face; h, inferior surface. 



Fig. G. — Proximal extremity of the fourth metacarpal of the right side from front; a, external side; b, 



internal side; c, proximal articular surface. 

 Fig. 7. — Left femur of the same, lacting the condyles, posterior view. 

 Figs. 8-14. — Sliipolophus whiliw. Parts of one skeleton, natural size. Page 20*2. 

 Fig. 8. — Kight mandilmlar ramus, inner side. 

 Fig. 9. — Rigiit superior canine, external side. 



Fig. 10. — Anterior lumbar vertebra, from below; a, articular extremity. 

 Fig. 11. — Left calcaneum, from above. 



Fig. 12. — Left tarsus from above, lacking the cuneiform bones. 

 Fig. 13. — Left navicular, from front; a, right navicular from below. 

 Fig. 14. — Left cuboid, from front ; a, the same, proximal extremity. 



