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APPENDIX. 
were in North Park during the summer of 1876. They were 
almost continually in view, and thousands must breed in that 
locality. 
In one of the finely mounted specimens in Mrs. Maxwell’s 
collection the points of the horns curve inward toward each other ; 
the two together making a heart-shaped figure. 
Family CERVID^E. 
THE AMERICAN ELK. 
Elaphus canadensis — De Kay. 
Represented by a fine pair shot near Whitely’s Peak. 
THE BLACK-TAILED DEER. 
Cervus macrotis — Say. 
This is the most abundant of the Cervidse in Colorado, and is 
represented by a fine group of two bucks, a doe and two fawns. 
THE WHITE-TAILED DEER. 
Cervus virginianus — Bodd. 
One specimen, a doe from Cache-Le-Poudre creek. It is far 
less numerous in Colorado than the last-named species. 
Family SCIURID^E. 
The family of the squirrels is very numerously represented in 
Colorado, both in species and individuals. No less than eight 
different species are contained in the collection. 
THE TUFT-EARED SQUIRREL. 
SciURUS ABERTI — Woodh. 
This large and beautiful squirrel, equalling in size the cat and 
fox squirrels of the East, is common in the pine-covered moun- 
tains of Colorado. It is in this region peculiarly subject to 
melanism, this state being more frequently observed, than the 
normal coloration. Several specimens examined are uniform 
deep brownish black, while only one is of the ordinary grey 
color, with the black stripe on the side. 
FREMONT’S CHICKAREE. 
SciURUS HUDSONIUS VCl?'. FREMONTI —Allen. 
Very abundant in all the woods of the high mountains. 
