ILLUSTRATIONS 



Figures 



Page 



1. Skull and upper dentition of Corynorhinus alleganiensis Gidley and 



Gazin ^* 



2. Skull of Cams armhrusteri Gidley 18 



3. Skull and lower carnassial of Canis armhruslcri Gidley 19 



4. Skull of Canis armbrusleri Gidley 20 



5. Skull of Caiiis armbrusteri Gidley 21 



6. Left ramus of mandible of Canis armbrusteri Gidley 21 



7. Right ramus of mandible of Canis armbrusteri Gidley 22 



8. Left ramus of mandible of Canis armbrusteri Gidley 22 



9. Right ramus of mandible of Cants armbrusteri Gidley 22 



10. Right ramus of mandible of Catiis armbrusteri Gidley 23 



11. Right ramus of mandible of Euarctos vitabilis (Gidley) 28 



12. Skull and mandil.>le of Euarctos vitabilis (Gidley) 29 



13. SknW o( Euarctos vitabilis (Gidley) 30 



14. Skull of Euarctos vitabilis (Gidley) 31 



15. Anterior portion of male skull, right rami of female mandibles, and left 



ramus of male mandible of Martes -parapennanti Gidley and Gazin.. 34 



16. Anterior portion of skull and right ramus of male mandible of Mustela 



cf. vison Schreber 36 



17. Anterior portion of skull and mandible of Mustela cf. vison Schreber. . 37 



18. Right ramus of female mandible of ^fustela cf. vison Schreber 37 



19. Skull and mandible of Gtdo gidleyi Hall 38 



20. Skull of Gulo gidleyi Hall 39 



21. Maxillary portion of skull of Lidra parvicuspis Gidley and Gazin 42 



22. Skull of Brachyprotoma pristina Brown 43 



23. Left ramus of male mandible of Brachyprotoina pristina Brown 44 



24. Right ramus of mandible of i?mc/i?/pro«o?«a pris/wo. Brown 44 



25. Right ramus of rnandible of Spilogale maryhmdensis Gidley and Gazin. . 46 



26. Skull and mandible of Tasjidea marylandica Gidley and Gazin 48 



27. Skull of Taxidca marylandica Gidley and Gazin 48 



28. Upper carnassial and left ramus of mandible of Felis cf. inexpectata 



(Cope) 5^ 



29. Foot Ijones of Felis near atrox Leidy ^2 



30. Skull and mandil)le of Sciurus (Tumiasciurus) tenuidens Hay 55 



31. Left ramus of mandible of Plesiothomomys pntomacensis Gidley and 



Gazin ^8 



32. Left ramus of mandible of Neoioma magister Baird 60 



33. Right ramus of mandible of Parahcdomys spelaeus Gidley and Gazin. . 61 



34. Right ramus of m.ardible of ParaJiodomys :ipelaeus Gidley and Gazin. 61 



35. Right ramus of mandible of Microtus (or Pitymys?) cf. involutus (Cope). 64 



36. Left ramus of mandible of Ondoira cf. annectens (Brown) 66 



37. Skull and mandible of Erethizon cf. dorsatum (Linnaeus) 68 



38. Last lower molar of Tapir us sp '1 



39. Skull of Plafygonus cumberlandensis Gidley 73 



