77 



with the metacarpals and metatarsals little or rio longer than the phalanges 

 with hoofs. 



A. Molars comparatively broad, without supplemental lobes. The basi- 

 occipital bone with its tubercles well developed, and a deep groove 

 between them. (Turner.) 



BOVINAE. (A.) 



B. Molars comparatively narrow, with supplemental lobes. The basioc- 

 cipital bone broad and flat, with a ridge and a fossa on each side. 

 (Turner.) 



OVIBOVINAE. (B.) 



II. Form slender, with the head more or less uplifted ; with the neck com- 

 paratively lengthened, the third and succeeding vertebrae being hot much 

 shorter than thick. Legs slender, and with the metacarpals and nietatar- 

 sals much longer than the phalanges with hoofs. 



1. Horns diversiform (definable by no common characters), conical, 

 cylindrical, or compressed ; or, sub-angular, with a sub-spiral ridge 

 originating at the base anteriorly ; or, variously contorted. 



ANTILOPINAE. (C.) 



2. Horns curved backwards, sub-angular, with a rectilinear ridge an- 

 teriorly continuous around the convex curve. 



CAPRINAE. (D.) 



3. Horns curved outwards and forwards or sub-spiral, sub-angular, 

 with a rectilinear ridge continuous around the convex curve. 



OVINAE. (B.) 

 A. BOVINAE. 



Bos Linn. 

 Bibos Hodgson. 



BI'JOS sensu strict. Probos Hodgson. 



Bubalus H. Smith- 



Bubalus sensu strict. Syncerus Hodgson. 



Hemibos Falc. (Extinct.) Amphibos Falc. (Extinct.) 



Anoa Leach. 

 Poepliagus Gray. 

 Bison H. Sniith=,Scmasus Wagn. 



B. OVIBOVINAE. 



Ovibos Blainv. 



Ovibos sensu strict. BootheriumLeidy. (Extinct.) 



C, ANTILOPINAE. 

 I- 



(Strepsiceros Turner.) 

 Strepsiceros H. Smith. 

 Oreas Desm. 

 Tratjeluphus Blainv. 



