480 ARTIODACTYLA. 



[Jpper incisors present. 



a. Selenodont. Ruminant TYLOPODA. 



Lateral digits -svautiug Camelidae. 



b. Bunodont. Non-ruuiinant SUINA. 



a'. Snout elongate, with a terminal flat disk 



containing nostrils ; feet narrow, outer 

 digits not reaching ground. 



a". Toes 4 — 3 Dicotylidae 



(America). 



//'. Toes 4—4 Suidae. 



b'. Snout broad, hairy, no terminal disk ; feet 



short, broad, outer digits reaching ground Hippopotamidae 



(Africa). 



^ MT 



jv m 



b 



Fig. 1.57. — Bones of the right fore foot in:— a. Camel {Camelns bacfriaiivs), 

 f>. 'Red 'Deer (Cerviis claphus), c. Tig {Sua scrofa). — U, ulna; li, radius; 

 II, III, IV, V, second, third, fourtli, and fifth digits ; c, cuneiform ; 

 /, lunar ; s, scaphoid ; n, unciform ; m, magnum ; Id, trapezoid ; m'^, lyf , 

 rudimentary second and fifth metacarpals. (Flower's 'Osteology of the 

 Mammalia.') j 



There are a few lernis used in describing the genci'a and species 

 of Artiodactyle Ungulates that require explanation. 



The mvjjh or rliinariimi is the naked moist area between and 

 around the nostrils. 



'V\\i' snhorhiial (jlmuls avG ^\\\\':i\{\\ \n honi of the eye, and each 

 has a circular or longitudinal orilice tei'med by some " eye-pit." 

 Generally, when the gJand is present, there is a corresponding 



