U S. Geological Survey oj' the Territories. 



Plate VI 



1-9. HYOPSODUS PAULUS. 

 10, 11. MICROSUS CUSPIDATUS 

 12, 13 



14-17. MICROSYOPS GRACILIS 

 18-22. 



23-25. PARAMYS DELICATUS. 

 26. 27. P. DELICATIOR. 



28, 29 P DELICATISSIMUS. 



30. 



31, 32. MYSOPS MINIMUS. 



33-35. LOPHIOTHERIUM SYLVATICUM. 



36, 37. NOTHARCTUS TENEBROSUS. 



38, 39. 



40. 



T. SINCLAIR a SON .LITH PHIL40* 



41. 



42. HYRACHYUS NANUS. 



43. ANCHIPPODUS VETULUK. 



44. SINOPA RAPAX. 

 45. 



46 PALyEACODON YERC'S 



