HYRAX. 209 



Hyrax biucei, Gray Ann. Mag. N. H., (4), i, p. 44 (1868); Blanford 



P. Z. S., 1869, p. 642 ; id. Abyssinia, p. 252. 

 Hyrax alpini, Gray Ann. Mag. N. H., (4), i, p. 4S (1868). 

 Hyrax ferrugineus et irroratus. Gray Ann. Mag. N. H. (4), iii, p. 242 



(1869). 



Distribution. — The Abyssinian Highlands. 



Order CARNIVORA. 



Mammalia with hairy bodies; with clavicles incomplete or 

 wanting ; radius and ulna, tibia and fibula complete ; radiale and 

 intermedium fused ; no centrale ; manus and pes with five digits ; 

 thumb never opposable; terminal phalanges armed with sharp 

 claws; skull with strong occipital ridges, wide zygomata, and 

 generally incomplete orbital ring; nasals large and thin; glenoid 

 cavity transversely elongated to which the mandibular condyle 

 corresponds, thus limiting the motion of the lower jaw to a verti- 

 cal movement; dentition heterodont and diphyodont ; teeth simply 

 coated with enamel, not compound ; incisors f generally; in some 

 forms the last enlarged premolar of the upper jaw and the first 

 molar of the lower have trenchant edges and act as a pair of 

 scissors and are called the sectorials; placentation zonary. 



. Sub-order I. FISSIPEDIA. 



Terrestrial carnivora with manus and pes rarely webbed but 

 bearing well-developed claws; hind-limbs and tail free; pinnse of 

 ear well developed ; incisors f . 



