ODONTOCCELUS. 75 
Geogr. Distr. State of Vera Cruz to Yucatan, southeastern 
Mexico. 
Genl. Char. Size very small; tail long; antlers short, straight, 
semi-palmate; metatarsal gland wanting. Color same at all seasons. 
Color. Upper parts dark chestnut brown; under parts white; 
face blackish; tail brown above, white beneath. Color of pelage 
does not change with the seasons. 
Measurements. One-third smaller than O. americanus. 
57. thomasi (Odocoileus!), Merr., Proc. Biol. Soc. Wash., x11, 1898, 
Pp. 102. 
Tuomas’ DEER. 
Type locality. WHuehuetan, State of Chiapas, Mexico. 
Geogr. Distr. States of Oaxaca and Chiapas, southeastern 
Mexico. Limits of range unknown. 
Genl. Char. Size large; metatarsal gland very small, midway 
between calcaneum and hoof. Skull and teeth similar to those of 
O. truii from Honduras. _ 
Color. Wunter Pelage. General color fulvous; forehead black, or 
black and fulvous; inside of thighs, middle of belly, hind part of fore 
legs, and inguinal region white; chin white, with the usual black 
patch on each side; tail above bright fulvous, beneath white. 
Antlers slope backwards nearly on plane of face, with tips curving 
inward and forward. On inner side near burr of both beams is a 
spike 110 mm. in length, which curves backward and _ forward. 
Spread between tips of these spikes 50mm. On the left beam 70 mm. 
from tip is a posterior prong 50 mm. long which projects backward 
and inward. 
Measurements. Type. Total length, 1544; tail vertebrae, 153; 
hind foot, 425 (ex Merr., 1. c.). Skull: basal length, 220-230; length 
of upper tooth row, 70; lower tooth row, 73; length of three lower 
premolars, 32. 
58. nelsoni (Odocotleus!), Merr., Proc. Biol. Soc. Wash., x11, 1898, 
Pp. 103. 
NELSON’s DEER. 
Type locality. San Christobal, highlands of State of Chiapas, 
Mexico. 
Geogr. Distr. State of Chiapas, southern Mexico. 
Genl. Char. Size medium; top of head and dorsal band blackish. 
Color. Above brownish gray, grizzled tips of hairs fulvous; black 
stripe from nose to forehead, which is also blackish; dorsal band 
from head to rump black; ears grizzled gray; chin white, crossed by 
black bar; inner and back side of fore legs, inner side of thighs, and 
