July 10, 1914 
Vol. XXVII, pp. 113-114 
PROCEEDINGS 
OF TllK 
BIOLOGICAL SOCIETY OF WASHINGTON 
DIAGNOSIS 
OF A NFW^ SUBSPECIES OF 
(.aiAIE FPvOiM COLORADO.* 
GAMBEL’S 
BY EDG.\K A. MEAKNS. 
(Published by pennission of the Secretiiry of the Smitlisoiiian Jiistitution.) 
The United States National INIuseinn has recently received 
from Mr. J. D. Figgins the gift of four beautifulR" prepared 
specimens of this very distinct new subspecies of Lo'phoiiijx 
gamhelii Gambel. The form may he distinguished as follows: 
Lophortyx gambelii sanus new subspecies. 
Tiipe-specimen. —.\(1nlt male, Cat. No. 236,328, U. 8. Nat.’ IMus. Col¬ 
lected at Olathe, Montrose County, Colorado, December 20, 1912, by 
C. S. Slocum. (Original mnnber, 1210.) 
Characters. —Size rattier larger than the average of Lophorty.v gamhelii 
gambelii Ctambel or Lophortyx gavihelii fulvipecliis (Nelson), from which 
forms it ditl'ers in coloration as follows: adult male with upper parts 
neutral gray (I-iidgway, 1912), unwashed with olive; crown chestnut- 
brown instead of hazel; chest-patch cartridge butt instead of warm hntf 
or chamois. Adult female with upper ]iarts as in the male, ditiering 
from gamhelii and falvipectns in having the crown darker (sepia instead 
of cinnamon-dral)); chin and throat dai'ker and more grayish; chest 
and ahilomen pale olive-hutt instead of cream color. 
Measurements of type. —Iwngth of stulfed skin, 255; wing, 119; tail, 
104; culmen (chord), II; tarsus, 28.5. For detailed measurements see 
Figgins’s paper in “ The Ank,” Vol. NXXI, .January, 1914, pp. 62-09. 
*It is the writor'-s intention to prepare for publication a detailed review of tlic 
freofrrapliical forms of lj>phortijx yambclii Gambel. 
26— Proc. Biol. Soc. W.\sh., Vol. XXVII, PJ14. 
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