HIPPOCAMELUS. ANTILOCAPRA. 51 



108. Hippocamelus pandora (Merriam). 



Mazama pandora Merr., Proc. Biol. vSoc. Wash., xiv, 1901, p. 105. 

 Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. I, 1904, p. 80. Zool. Ser. 

 TuxKAS Brocket. 



Type locality. Tunkas, Yucatan, Mexico. 



Geogr. Distr. State of Campeche, and Yucatan, Mexico. 



Family III. Aiitilooapridu'. l*r<Mi};--liorii .Viit«'Io|K's. 



Genus 43. Aiitilocapra. 



Antilocapra Ord, Journ. de Phys., 1818, p. 149. Type Antilope 

 americana Ord. 

 *Dicra)iocerus! H. Smith, Griflf. Anim. Kingd., iv, 1827, p. 169. 



109. Antilocapra americana (Ord). 



Antilope americana Ord, Guth. Geog., 2d Am. ed., 11, 1S15, p. 292, 



desc. p. 308. 

 Antilocapra americana Elliot, Syn. N. Am. Mamhi., F. C. M. 

 Pub., II, 1901, p. 43, pi. XVI. Zool. Ser. Id. Mamm. Middle 

 Amer. & W. Indies, F. C. M. Pub., iv, Pt. i, 1904. p. 82. Zool. 

 Ser. 

 Prong-horn Antelope. 



Type locality. Plains east of the Missouri? Black Mountains? 

 Geogr. Distr. Valley of the Saskatchewan, latitude 53°, south to 

 Mexico, and from the Missouri River on the plains, westward to the 

 Rocky Mountains and the Cascade Range in Oregon and Washington. 



f(. .Infilocftj)/// (I inei'icana mexicinni Merriam. 



Antilocapra. americana niexicana Merr., Proc. Biol. Soc. Wash., 

 XIV, 1901, p. 31. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 82, fig. XXV, pis. xxxii, xxxiii. 

 Zool. Ser. 

 Mexican Prong-horn. Berendo in Mexico. 



Type locality. Sierra en Media, State of Chihuahua, Mexico. 

 Geogr. Distr. Northern Mexico, in States of Sonora, Chihuahua, 

 and Tamaulipas; Lower California. 



*<Jrz//'/>(ic, two-headed, -(- x-iia:, horn, = Dicranoceras. 



