CATALOG OF TYPE SPECIMENS OF MAMMALS 403 



fThomomys umbrinus sonoriensis Nelson and Goldman. 

 Journ. Mamm. 15: 118, May 15, 1934. 



250893. Skin and skull. Old adult female (not male as recorded 

 in original description). 10 miles east of Chinapa, altitude 3,000 

 feet, Sonora River Valley, northern Sonora, Mexico. November 

 21, 1932. Collected by Vernon Bailey and Frederic Winthrop. 

 Original number 11135. 

 Well-made skin in good condition ; skull Grade A. 



fThomomys umbrinus supernus Nelson and Goldman. 



Journ. Mamm. 15: 110, May 15, 1934. 

 81687. Skin and skull. Adult male. Santa Rosa, altitude between 

 8,500 (not 9,500 as recorded in original description) and 10,000 

 feet, about 7 miles northeast of Guanajuato, State of Guana- 

 juato, Mexico. November 15, 1896. Collected by E. W. Nelson 

 and E. A. Goldman. Original number 10353. 

 Well-made skin in good condition ; skull Grade A. 



fThomomys umbrinus tolucae Nelson and Goldman. 

 Journ. Mamm. 15: 109, May 15, 1934. 



55908. Skin and skull. Adult male. Volcano of Toluca, north 

 slope, altitude 9,500 feet. State of Mexico, Mexico. September 

 5, 1893. Collected by E. W. Nelson and E. A. Goldman. Orig- 

 inal number 5385. 

 Well-made skin in good condition ; skull Grade A. 



fThomomys umbrinus vulcanius Nelson and Goldman. 



Journ. Mamm. 15 : 109, May 15, 1934. 

 51885. Skin and skull. Adult female. Volcano of Popocatepetl, 

 altitude 12,900 feet. State of Mexico, Mexico. February 27, 1893. 

 Collected by E. W. Nelson and E. A. Goldman. Original num- 

 ber 4407. 

 Well-made skin in good condition ; skull Grade A. 



fThomomys umbrinus zacatecae Nelson and Goldman. 



Journ. Mamm. 15 : 112, May 15, 1984. 

 57972. Skin and skull. Adult male. Berriozabal, altitude 6,600 

 feet, Zacatecas, Mexico. December 29, 1893. Collected by E. 

 W. Nelson and E. A. Goldman. Original number 5607. 

 Well-made skin in good condition ; skull Grade A. 



Genus ZYGOGEOMYS Merriam 



■I } ■ ' ' j" ■ 

 fZygogeomys trichopus Merriam. - ' 



North Amer. Fauna 8: 196, Jan. 31, 1895. , ( < ■ - \ 



251543—42 27 



