1882.] PROF. ST. -GEORGE MIVART ON THE ^LTJROIDEA. 



155 



internal portion, while in both -p— ^ and ^^-^ the talon is larger, that 

 01 jj-| (if not that of p-^ also) bearing three small cusps'. 



^j-r^ is quadricuspidate, and may be quinquecuspidate. The milk- 

 teeth of Viverra differ from those of Genetta in that — ^ has a less 



Fig. 4. 



Milk- teeth of Viverra civetta, No. 4265, from Coll. Surg. 



A. Grinding-surface of teeth of right side of upper jaw. B. Side view of teeth 

 of upper jaw. C. Ditto of those of lower jaw. D. Grinding-surface of 

 lower jaw. 



D. 3 



developed prominence in front of the main cusp ; "^^ is less extended 

 antero-posteriorly in proportion to its transverse diameter ; it has its 

 posterior lobe smaller and undivided, and has a more strongly 

 developed ridge running from the inner to the anterior cusp, with 



in the Cat. The proportion borne by the length of the uppermolar series com- 

 pared with the base at 100, is in the Genet 128"5, in the Cat88'4. The length 



from the front of the lower canine to the binder side of jf-,, compared with 



the length from the canine to the hinder surface of the mandibular angle at 

 100. is in the Genet 63B, in the Cat 507. 



' Well shown in Viverra zibdha, pi. xii. of De Blainville's ' Osteographie ' of 

 the Viverras. 



