MAMMALS OF THE MEXICAN BOUNDARY. 



453 



Measurements of ^8 specimens of the genus Sigmodon — Continued. 



Museum 

 number. 



Locality. 



20103 .35404 



23706 I 1841 



i!371'' (d) 



2372'' 1843 



2373'' 1842 



60293 60293 



60294 



60290 



60303 ] 



60291 



60300 



6029.5 



60292 



60297 



60294 

 60290 

 60303 

 60291 

 60300 

 6029.5 

 60292 

 00297 



60298 60298 

 60296 60296 



60299 60299 



60305 

 60304 



60305 

 60304 



60301 60.301 



60318 60318 



60317 60317 



60319 60319 

 00310 00310 



60312 

 60313 

 60.306 

 60315 

 60307 

 60309 

 60308 

 60314 

 60316 

 60311 

 00320 



82496 



60312 

 60313 

 60306 

 60315 

 60307 

 60309 

 60308 

 6a314 

 60316 

 60311 

 60320 



243 

 * 253 



31.35 



3136 

 3137 

 3186 

 3230 

 3240 

 3269 

 3282 

 3333 



3334 

 33.35 

 3336 

 .3346 

 3347 

 3348 

 3305 



3366 

 3367 

 3389 



3390 

 3391 

 3400 

 3410 

 3416 

 3417 

 3418 

 3431 

 3432 

 3433 

 3482 



6592 1157 



Sigmodon hi.ipidus berlandieri. 



Initial Monument No. 1, on the Rio 

 Grande, near El Paso. 



Sigmodon hispidus arizonse. 



Fort Verde, Yavapai County, Ari- 

 zona. 



do 



do 



.do. 



Sigmodon hispidus eremirus. 



Colorado River at Monument No. 

 204. 



do 



do 



do 



do 



do 



do 



do 



Coloradi 

 205. 



do.. 



do.. 



do.. 



do.. 



do.. 



do.. 



River at Monument No. 



Well at Cienega, 30 miU^s south of 

 Monument No. 204. 



.do. 

 do. 



Colorado River, Sonora, opposite 

 mouth of Hardy River. 



do 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 



Fort Yuma, San Diego County, 

 California. 



Seven Wells, Salton River, Sonora. . Apr 



a Type of pallidus. 



b American Museum of Natural History. 



c Type. 



d In skin. 



<" Head and body 130 mm. 

 / Head and body 150 mm. 

 g Head and body 163 mm. 



