PLATE XXIV^. 



Fig. 1. — Plioplarchus whiiei ; type from Dakota; leftside. Page 728. 



Fig. 2. — Uelagras prinfiformis. Two dorsal vertebra) from the Piierco group, New Mexico, from left side; 

 a, from below ; h, from front; c, from above. Page 731. 



Fig. 3—1. — Dinnacusl navajovius. Palate, from below ; tig. 4, glenoid cavity, from below. Fig.9. 11-13 are 

 part of the samo skeleton. Page 741. 



Fig. 5. — I'eriplychus carimdens. Last two inferior molars, inner side, with third or fiuirth premolar; a, 

 the same, from above. Page 403. 



Pig. 6. — Anisoiichua coniferus. Maxillary bone, from l>elow ; a, mandible of same individual from above ; 

 6, maxillary of a second individual, including third and fourth premolar and first and second true 

 molar.s, from below ; o, the same, external side. Page 409. 



Fig. 7. — riienacodux raJaolatun. Last two superior molars; a, a iiremolar, and the last inferior true molar 

 of the s.ame individual, internal side; b, the same, from above. Page 487. 



Fig. 8. — Mioclwnus fcrox; a-b and p-w belong to specimen No. 2; b-c to specimen No. 3, aud d-o to 

 specimen No. 1. Fig. 8. — Anterior i>art of maxillary bone, containing canine and first premolar, 

 external view; a, inferior view. Figs, b-c, part of mandible of a smaller individual (perhaps 21. 

 a/rrugatus), external and superior views. Figs, d-o, third, fourth, au<l tilth metatarsals of left foot; 

 d, fourth metatarsal from front; e, from external side; /, from internal .side; g, proximal extrem- 

 ity ; h, third metatarsal from front ; i, from outer side ; J', from inner side ; /, proximal extremity ; 

 m, fifth metatarsal from front; n, external view; o, proximal view; p-u; fragments of No. 2, repre- 

 sented in Figs. 8 and i^a; p, proximal extremity of supposed marsupial bone, side view; q, proxi- 

 mal view; r-s-t, an unidentified bone (page — ), two side and one edge view; M-r, opposite side 

 views of a supposed trapezium; ic, the entocuneiform, external view ; r, proximal; »/, distal views. 



Fig. 9. — Mioclirniis protogonioiden. First and second molar teeth, from below. Page 340. 



Fig. 10. — iliodcenns biicculentiis. Pp . iv and mm, ii, iii, from below. Page 341. 



Figs. 11-14. — IHnHacux ^ navajoriun. P.irts of individual repre8ente<l in Figs. 3-4 (page 741). Seepage 

 34.->. 



Fig. 11. — A posterior dorsal vertebra, left side; Fij;. 12, a lumbar vertebra, left side. 



Fig. 13. — Glenoid cavity of scapula. 



Fig. 14. — Patella, inner side. 



