1882.] PROF. ST.-GEORGE MIVART ON THE ZLUROIDEA. 155 
internal portion, while in both a and an the talon is larger, that 
of xo (if not that of ;— also) bearing three small cusps’. 
arp 18 quadricuspidate, and may be quinquecuspidate. The milk- 
teeth of Viverra differ from those of Genetta in that D-? has a less 
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. 
developed prominence in front of the maia cusp ; D:3 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 upper molar series com- 
pared with the base at 100, is in the Genet 128°5, in the Cat 88°4. The length 
from the front of the lower canine to the hinder side of vane compared with 
the length from the canine to the hinder surface of the mandibular angle at 
100, isin the Genet 63°6, in the Cat 50-7. 
1 Well shown in Viverra zibetha, pl. xii. of De Blainyille’s ‘ Ostéographie’ of 
the Viverras. 
