Vol. XXVII, pp. 115-118 
July 10, 1914 
PROCEEDINGS 
OF TIIF. 
BIOLOGICAL SOCIETY OF WASHINGTON 
ET.EVEN NEW SPECIES AND SUBSPPXIES OF POCKET 
GOPHEPS OP THE GENUS THOIMOMYS. 
BY VERNON BAILEY. 
The following brief diagnoses of eleven new pocket gophers 
are published in advance of a monograph of the genus Thoinomi/s, 
now nearing completion. The types are all in the Biological 
Survey Collection in the U. S. National Museum. 
Thomomys talpoides bullatus subsp. nov. 
S.\GE-BRUSH (40PHER. 
Type from Powderville, Montana. Adult d', No. 55,795, U. S. Nat. 
Mns., Biological Survey Collection. Collected July 21, 1893, by Dr. A. K. 
Fis^b.er; original numl)er, 1402. 
Chrtvcicters . — Size of tcilpoides, l)ut witb largi'r andital bullap, ligbter 
dentition and brighter colors. Con.^iderably larger than clnsrus, with 
less gray on cheeks. TTpperparts light butty hazel, brightest on crown, 
ear patch Idackish; lowerparts huffy, sometimes with white on chin; feet 
and tail whitish. 
.IfectsuTevienls of type. —Yf)tal length, 238; tail vertebiae, /2, hind foot, 
30. 
Thomomys talpoides caryi subsp. nov. 
RIGIIORX MOUNTAIN GOPHER. 
Type from the head of Trapper Creek at 9500 feet altitude in the Big¬ 
horn .Alountains, Wyoming. Adult 9, No. 108,940, U. S. Nat. AIus., 
Biological Survey Collection. Collected June 10, 1910, liy Merritt Cary; 
original numlHU-, 199:1. 
Characterfi .—Size about the same as c/r.s/r.s, or slightly smaller; skull 
with smaller bullae and wider iuteritarietal; colons slightly darker, without 
gray cheeks. Ppperparts dull grayish brown, with plumbeous no.se and 
l)lackish ear patch; lowerparts rich huffy, with white ou chin and some¬ 
times on breast; feet soiled whitish; tail gray or huffy with whitish ti]). 
27—Proc. Biol. Soc. W.\sh., Vot.. XXVIl.l'Jl-l. 
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