MANUAL OF NATURAL HISTORY. 23 



cluous, covered with a hairy skin when grow- 

 ing, generally more or less branched or palma- 

 ted; usually provided with lachrymal sinuses. 



3. Family. — Musks (Moschidse). Without horns ; 



long projecting canine teeth in upper jaw of 

 males; size small ; of slender and very elegant 

 proportions ; no lachrymal sinus. 



4. Family. — Giraffs (Cameleopardalidae). Perma- 



nent, solid, simple horns in both sexes, always 

 covered with a hairy skin, crowned with a 

 tuft of stiff, upright hairs ; neck very long ; 

 fore legs disproportionate in length ; tail 

 rather long, and tufted ; tongue long, pre- 

 hensile ; whole appearance graceful. 



5. Family. — Hollow-horned Ruminants (Bovidse). 



Horns persistent, sheathing a bony core, 

 round, or compressed and angular, often 

 annulated, bent or curled in various ways ; 

 with or without lachrymal sinus ; tail short, 

 or elongated and tufted. 

 The Antelopes (Antilopinse). Have the limbs long 

 and slender in the typical species, general 

 contour light and graceful ; no dewlap ; tail 

 short and hairy. The more aberrant species 

 assume a more or less bovine or caprine 

 form ; the former are of large size with 

 heavy bodies, tail lengthened and tufted ; 

 the latter have rather heavy bodies, and 

 stout limbs, legs short, hoofs large ; tail 

 short and flat. Muzzle narrow or broad. 

 Horns conical, or angular; straight, recurved, 



