OCR Text |
Show 1882.] PROF. ST.-GEORGE MIVART ON THE ALUROIDEA. 155 internal portion, while in both T~i and ^ the talon is larger, that 3j-[ (if not that of p-^ also) bearing three small cusps1. j^-2 ls quadricuspidate, and may be quinquecuspidate. The milk-teeth of Viverra differ from those of Genetta in that - 2 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. 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 upper molar series compared 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 ^- compared with the length from the canine to the hinder surface of the mandibular angle at 100, is in the Genet 63*6, in the Cat 50*7. 1 Well shown in Viverra zibetha, pl. xii. of De Blainville's ' Osteographie' of the Viverras. |