252 PROC'EEDTNGS OF TTlE ACADEMY OF [1894. 



Fig. 5, (/ and h. Xeotojiui desertonnn. Death Valley, California, 

 No. 34,138, <?, ad. (x 5.) 



a, upper molar series. 



b, lower molar series. 



c and c/. Neotoma temdcamhi. Type No. 45, (i29, 9, 



Sierra Nevada de Colima, Jalisco, Mexico. 

 (x5.) 



c, upper molar series. 

 (/, lower molar series. 



[Note. — The accompanying illustrations belong to the U. S. 

 Department of Agriculture. They are here used by courtesy ot 

 Dr. Chas. W. Dabney, Jr., Asst. Secretary of Agriculture.] 



