PLATE XXIV. 



Kg. 1. — Plesiarctomyt Uptodua Cope. Portion of mandibular ramus, natural size, from the inner side; 



1 a, from above. Page 183. 

 Fig. 2. — I'lemurctomya. Ramus of mandible twice natural size. 

 Figs. 3-5. — Plegiarctomyg hians Cope, natural size; 3, cranium from below; 4, end of mandilmlar ramus 



from the outer side ; 5, ca.st of brain, upper side. 

 Figs. 6-7. — f^typolophus acuhatnn Cope, inferior molars, natural size, lacking heels; 6, posterior view 



6 6, exterior do. ; 7, a premolar. Page 299. 

 Fig. i.-Stypolophtt) pungens Cope. Part of mandibnlar ramus, internal view; 18 a, superior view. 



Page 290. 

 Fig. 9. — Stypolophus brevicalcaratus Cope. From the outer side; a, from within; b, from above; all nat- 

 ural size. Page 291. 

 Fig. 10. — Stypolophus inseclivorut Cope. Twice natural size; inferior molar ; from the outer side; la, 



the sauK^ from inside; Fig. 11, premolar. Page 291. 

 Fig. 12. — iliacia parvhorus Cope. Portion of mandible, natural size; a, same from inner side: 17 b, the 



same from above, twice natural size. Page 304. 

 Figs. 13-17. — Pantolmtes longicaudiis Cope. Natural size. Page 725. 

 Fig. 13. — Left ramus of the mandible from the outer side ; 1 a, the same from above. 

 Fig. 14. — Metapodial bone from above ; 2 a, from below. 

 Fig. 15. — Metapodial bone from above; 3 a, from below. 

 Fig. 16. — Distal caudal vertebra; 4 a, the same from end. 

 Fig. 17. — End of another caudal. 

 Fig. 18. — Sarcolemur pygmwua Cope. Right mandibular ramus, 1.5 natural size; 16 a, from above; 186, 



from within. Page 233. 

 Fig. 19. — Sarcohmur pygmceus Cope. Portion of left mandibular ramus, 1.5 natural size; 19 a, from 



above. 

 Fig. 20. — HyoptoduH vicarius Cope, nat. size. Fig. 21, portion of mandibular ramus, twice natural size; 



11a, from above Page 237. 

 Fig. 22. — Lambdolherium procyoni nnm Cope. Posterior superior molar, twice natural size ; 22 a, same from 



the front. Page 711. 

 Fig. 23. — Part of mandibular ramus of Hyravotherium oebornianvm; from the outer side, natural size; 



23 a, the same from above. Page 647. 

 Figs. 24-5. — UyracotUerium vamiacieniie Cope. Molars from different animals; 1.5 natural size. Page 634. 

 Fig. 2G. — Part of mandibular ramus ut Pliotophua cifio(M« Cope, from the outside, natural size; 26 a, the 



same from above. Page 625. 



