286 The Mammals of Colorado 
Type locality. — Cofre de Perote, State of Vera Cruz, Mexico, 
13,000 feet elevation. 
Measurements. — Total length, 4.0; tail vert., 1.45; free part of 
tail, 0.50; hind foot, 0.4; forearm, 1.75. Length of skull, 0.62; 
width, 0.4. 
Description. — (From a specimen taken at Newcastle, Garfield 
County, Colorado, July i6th): Upper parts a dull sooty looking 
brown ; below paler and grayer. Ears and membranes dull blackish. 
The ears are large and squarish ; the posterior third or more of the 
tail is free from the membrane. Skull: rostrum broad and flat; 
brain-case elevated behind, but flat on central and anterior por- 
tions: zygoma not expanded. 
Distribution. — Volcano of Popocatepetl, through Mexico to 
California and Colorado. Also found in Lower California. At 
present the only Colorado record is Newcastle (Warren). 
Habits. — The only specimens of this species at present 
known from Colorado were taken by Warren and Frey, under 
circumstances described under Eptesicus fuscus. 
Nyctinomus depressus (Lat. depressed). Tucubaya 
Free-tailed Bat. 
Nyctinomus depressus Ward, Am. Nat., xxv., p. 747 (1891). 
Type locality. — Tucubaya, a suburb of the City of Mexico. 
Measurements. — (Taken from dried specimen): Total length, 
about 4.25; tail vert., about 1.7; hind foot, 0.4; forearm, 2.4. 
Description. — (From a specimen taken at Grand Junction, Colo- 
rado) : Upper parts rather dark umber brown in color, under parts 
quite similar but duller; ears blackish, large, and rounded. Wing 
membranes brown. Skull much longer than in case of A^. mexica- 
nus and narrower in proportion; sloping but little from behind to 
front; canines long and prominent. 
Distribution. — This bat has only been recorded, to my knowledge, 
from the type locality, Mexico City, Mexico; California, Arizona, 
Nevada, and Colorado, there being only one record for each of the 
last four. The Colorado specimen was taken at Grand Junction 
by S. M. Bradbury. 
