MAMMALS OF THE MEXICAN BOUNDARY 



349 



Measurements of '77 specimens of tfu genus Cynomys Continued. 



Museum number. 



589 1 8 



58915 

 58916 



5*922 

 58923 

 58919 

 58920 



58921 



2i>7;;:; 



2(1727 

 20731 

 2ii7:; 1 

 20736 

 20729 

 20728 

 2ii7:;2 

 20730 

 20735 



21381 

 213m; 

 21379 

 21385 

 2US4 

 21377 

 21378 

 21382 

 21383 

 21380 



Date 



58918 



58915 

 58916 

 58922 



;.s92:; 

 36368 



=35871 

 35875 

 35877 

 36879 

 35873 

 35872 

 37033 

 : : !5,K74 



H5S7S 



36170 



36178 

 36172 

 36179 

 3U177 

 36171 

 36174 

 36176 

 36175 



2480 



2481 

 2482 

 2494 

 2495 

 2503 



58920 2564 



58921 2565 



H7o:tt 25t;»; 



35876 2119 



2120 

 2121 

 2122 

 2123 

 2124 

 2125 

 2126 

 2141 

 2142 



2428 



2429 

 2430 

 2i:;i 

 2132 

 2433 

 2434 

 2435 

 2436 

 2437 



Cynomys ludovicianrls arizo- 

 iit nsis — Continued. 



Lang's Ranch, Monumenl 

 No. (it;. 



do 



do 



do 



do 



do 



Animas Valley, Grant County 



New Mexico. 



....do 



....do 



1893. 

 Aug, 31 



...do.... 



...do... 



,-epi. ;; 



...do..., 



Sept. •"> 



(lei. 2 



.do 



.do. 



.do. 



.do 



.do. 

 .do . 

 .do. 

 .do 



.do 



.do 



.do 

 .do 



1893. 

 .Inly 28 

 ...do.. 

 ...do .. 

 ...do .. 

 ...do .. 

 ...do .. 

 ..ido.. 



...do.. 



...do .. 

 ...do .. 





L892. 



Cloverdale, Grant County. July 18 

 New Mexico. 



Sun Pedro River, at Monu- <>et. II 

 ment No. 98. 



do do 



do do 



do do 



do do 



do ! do 



do Oct. II 



do do 



do Oct, 21 



do do 



a , ad, 

 'ad. 



' ad. 



' ad. 



a fad. 



'ad. 

 ' ad. 



' ad. 



9 ad. 



' ad. 



i ad. 



, ad 

 f ad. 

 ' ad. 

 f ad. 

 ' ad. 

 ' ad. 

 j ad. 

 i ad. 

 9 ad. 



« 9 ad. 



"9 ad. 

 a j ad, 



" ■, ad. 

 •< j ad. 



' ad. 



' ad. 



' ad. 



'ail 



b ■ ad. 



mm. 



380 



390 

 100 

 130 

 387 

 370 

 395 



100 

 378 



380 



350 

 390 

 360 

 380 



Kin 

 350 



380 



- 



367 

 349 

 360 

 373 

 365 

 387 

 382 

 392 

 392 



mm. mm. mm. 



5.0 

 5.0 



.">. 



5.0 



5.0 

 5.0 



103 



84 

 80 



• 



80 



79 



60 



5. 5 

 5.0 



5.0 

 5. 5 

 5. 5 

 5.0 

 5. 5 

 5.0 

 5. 2 



5.0 

 .'..u 

 5.0 

 5.0 

 5.0 

 5.0 

 5.0 

 5.0 



5 ii 



a Mamma . 1 pairs. 



''Tail abnormal. 



Family CASTORID.E. 



BEAVERS. 



Skull massive, without postorbital processes, the angle of the man- 

 dible rounded, and the cheek-teeth rootless, with re-entering enamel- 

 folds. Premolars ',. Habits natatorial. {Flower and LydeJdcer.) 



