ODONTOCGELUS. 69 
hey LOULHE SPECIES AND) SUBSPECIES, 
A. Size small. 
a. Horns similar in shape to those of O. americanus. PAGE 
a.’ Upper parts pale reddish; tail above black.O. a. texensis 70 
b.’ Upper parts dull fawn; tail reddish brown...O.a.couesi 70 
c.’ Upper parts gray brown; tail grizzled white 
Chale OVRO ca RON, pole ah ance ee rea ae a aia O. battyi 7 
d.’ Upper parts speckled foxy red; tail foxy red 
BEM e attire nate Uenctrn Saale due icnaie wi Conia anal es. O. lichtensteint 72 
e.’ Upper parts brown, tipped with fawn; 
ici heels s Cito OMAR gc: yas eve av «3 We O. rothschildi 72 
b. Horns slightly lyrate, beams straight. 
a.’ Tarsal gland present. 
a./’ Upper parts bright chestnut; tail above 
RSME Waanvaserais ic catets Sichuan ot ocehe eimai fun eens (ae O. uit ~ 93 
b.’” Upper parts mixed black and buff; tail 
OO We CLL MOM KN nomi aesun eihabode «sr O. costaricensis 73 
c.’’ Upper parts yellowish brown and gray; 
Gala ONE GUSH ofc 2 oe kale wane ge bear O. nemoralis 74 
b.’ Tarsal gland absent. 
a.’’ Upper parts dark chestnut brown; tail 
AIO MEG ROWE crite a. 3.tlu) Shea eec shale bre ws QO. toltecus 74 
ce. Horns sloping back on plane of face, tips 
curvigg inward and forward, with a spike 
from burr on inner side curving inward 
EON WAL OI Sars aA AS SSTR Macs Ste oa Sew wie re ew O. thomast 75 
ao oras small’subcylindrical spikes’........2..45 O. nelsont 75 
- B. Size large. 
a. Horns with a single branch from main tine. .O. cerrosensis 76 
b. Horns with short sub-basal snag, and beam 
curving upward and forming a dichotomous 
fork and again dividing, the normal points 
being five on a side. 
a.’/* Upper parts tawny; tail white with black 
eR A OI CEN TR Geol Ste st eng eae athe O. hemionus 76 
b.’* Upper parts pale tawny; tail with dark 
median band above, tip black....... O. h. californicus 77 
c.’* Upper parts fulvous; tail whitish, tip 
aes OPER en ee forsee ieee le ee O.h.eremicus 77 
d.’* Upper parts drab gray; tail, basal half 
dark, middle part white, tip black......... O.h.canus 78 
* Summer pelage described. 
