210 



BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



to the (liagraiii on page 196, detailed iiieasurements are as follows: 

 A B 2U0 mm., B C 180, B D 192, C E 72, C F 51, D G 47, D H 07. 

 Another pair (No. 60855, U.S.N.M.) belonged to a fully adult ani- 

 mal, killed at Black Butte, on the Colorado Desert near the " vol- 

 canoes " or nnid ge3'sers. Lower California (fig. 26). This was from 

 one of six deer that were killed by Mr. Samuel Cameron, one of our 

 guides, during the winter of 1893-94. The beam is unusually stout 

 and has a length of 310 mm. before forking, and the horns have a 

 total expanse of 775 mm. The horns, which are also doubly dicho- 

 tomous, measure in detail : A B 320 mm., B C 130, B D 140, C E 175, 

 C F 130, D G 163, D H 117. 



Habits and local distribution. — The burro deer of the Western Des- 

 ert Tract probably occurs in all suitable localities — where it can ob- 

 tain food and drink. Indians and INIexieans speak of it as the " l)urro,'*' 

 or simply '' cuervo." When with the Monument Building Party, fol- 



FlG. 26.— ANTLEKS of 01)0C0ILEU.S HEMIONUS EKEMICUS. (Cat. No. 608.').'), U.S.N.M.) 



lowing the main portion of the survey, I saw two on level land near 

 the base of a mountain near Pozo de Luis, Sonora, Mexico. It was 

 quite common in the mountains (Santa Rosa, Sierra de Sonoyta, 

 Cerro Salado, and Sierra de Quitobaquita) near Sonoyta, Sonora, 

 and man}" horns were exhibited on the huts of the Papagoes. Janu- 

 ary 9, 1894, I shot at a fine buck on Nariz Mountain, where weathered 

 horns were also seen. Bones and its ])eculiar horns Avere frequertly 

 seen on both sides of the International Boundary in the hills sur- 

 rounding Quitobaquita, Pima County, Arizona. Tracks and re- 

 mains were noted about Gardners Laguna and Indian Wells, on the 

 Colorado Desert. Farther south, in Lower California, the species 

 occurs in large herds, during the winter season, and is know^n by the 

 inhabitants to be different from the " l)lack-tailed doer " of the moun- 

 tains of the coast. 



Sjjeciniens collected. — Three sets of l)ones, besides the skin, were 

 presented to the IT. S. National Museum by Doctor McGee. 



