38 PEOCEEDINGS OF THE NATIONAL MUSEUM. vol.63. 



Page. 

 Fio. 11. Pronothodectes cf. matthewi Gidley. A right upper incisor No. 10005 



U. S. Nat. Mus. Coll 13 



12. Pronothodectes cf. matthewi Gidley. A left upper incisor, No. 10044 U. 



S. Nat. Mus. Coll 13 



13. cl. Nothodectes, STpQciea. A right lower incisor No. 9827. From local- 



ity "No. 12." Fort Union " No. 3." (Upper Fort Union.) 13 



14. Genus and specks undetermined. A left lower incisor No. 9552 U. S. 



Nat. Mus. Coll 14 



15. Genus and species undetermined. A pair of upper incisors. No. 9917 



U. S. Nat. Mus. Coll 14 



16. Nothodectes cf. gidleyi Matthew or new species. A left upper 



incisor No. 10639 U. S. Nat. Mus. Coll. From Tiffany beds 5^ miles 

 east of Bayfield, Colorado. 



Plate 4. 



("All flguies about 4 times natural size.) 



1. Palaechthon minor Gidley, new species. Type. Portion of a right 



lower jaw carrying four cheek teeth, p4 to mj outer-side view; lo 

 tooth-crown view. No. 9639 U. S. Nat. Mus. Coll 7 



2. Elphidotarsius florencae Gidley, new genus and species. Genotype. 



Portion of a left lower jaw carrying four cheek teeth, P4 to m, outer- 

 side view; 2a tooth-crown view. No. 9411 U. S. Nat. Mus. Coll.. 10 



3. Pronothodectes mattheiui Gidley, Portion of left lower jaw carrying 7 



teeth. P4 to mj outer-side view; 3a tooth-crown view. No. 9332 



U. S. Nat. Mus. Coll 13 



Plate 5. 



(Figures no exact scale, comparative ventral views of pelvises.) 



1. CalUthrix jacchus No. 49480 U. S. Nat. Mus. Biol. Coll. Locality not 



known. Zoological Park specimen 29 



2. Allouatta cf. palliata or belzubula. Locality not known. No. 25309 



" U. S, Nat. Mus. Biol. Coll 29 



3. Cebus cf. capudnus. Panama. No. 805 U. S. Nat. Mus. Biol. Coll. 29 



4. Solenodoncubanus. Cuba. No. 49508 U. S. Nat. Mus. Biol. Coll.. 29 



5. Dasyurus ursinus. Australia. No. 22816, U. S. Nat. Mus. Biol. Coll. 29 



6. Perodicticus potto. Africa. No. 49547, U. S. Nat. Mus. Biol. Coll. 29 



