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Show 1882.] PROF, ST.-GEORGE M I V A R T O N T H E A L U R O I D E A . 145 internal portion of the superior lateral gyrus, which is behind the cranial sulcus, by any continuation forwards of the cal-loso- marginal sulcus to join the crucial sulcus. (29) Angle of mandible not greatly flattened beneath, and coronoid process high and inclined backwards. (30) Proportional length of limbs considerable. (31) Muzzle short compared with cranial length. (32) Dentition extremely sectorial. (33) Tail long, moderate, or extremely short. (34) Clitoris never traversed by urogenital canal. (35) Dorsal vertebrae thirteen. (36) Postorbital processes more or less strongly developed, sometimes enclosing orbits by a bony circle. (37) Paroccipital processes not depending, or else only slightly projecting, as a rough tubercle beyond the bulla. (38) Mastoid rather prominent. (39) N o carotid foramen perforates or notches the sphenoid. (40) Nose and upper lip medianly grooved. (41) Palate very little or but moderately produced beyond last molars. (42) Pterygoid fossa very small. (43) Size of species generally moderate, never very small, sometimes very large-the largest of the iEluroidea. Of the genera of existing Felida, Cynalurus is distinguished from Felis by its imperfectly retractile claws and the rudimentary condition of the internal cusp of -*-. The characters of the Viverridce and Hyanida will be given after a brief review of the genera composing those two families. The typical genus Viverra seems to include four species-(1) V. civetta (from Fernando Po, Sierra Leone, and Abyssinia), (2) V. zibetha (from India, China, and Penang), V. tangalunga (from Malacca, Borneo, Sumatra, Luzon, and the Negros and Philippine Islands), and V. megaspila (from Malacca, Saigon, and Lower Cochin China). The anatomy of this anciently-known genus has been described l by Perrault in a paper entitled " Description anatomique de deux Civettes," in the 'Memoirs' of the Academy of Sciences of Paris, vol. iii. (1611-1699), with two plates reproduced in a work published bv Pierre Mortier, of Amsterdam, in 1736, and entitled ' Memoires pour servir a l'histoire naturelle des Animaux et des Plantes.' Therein is given a tolerable figure of the external form of the Civet, and representations of the scent-pouch and glands of both sexes, 1 See also Castellus, 'Hycena odorifera, vulgo Civetta,' Messonse, 1638; Bartholin, " Anatome Civettse s. Hycena odoriferce," in Hist. Anat. Cent. iv. 1657, pp. 199-213; Mery (Jean), " Observations sur les canaux lactiferes de la Civette," in M e m . Acad. Sc. de Paris, 1666-1699 ; Morand, " Nouvelles observations sur le sac et le parfum de la Civette " (with a plate), M e m . Acad. Sc. de Paris, 1728 ; and D e la Peyronie, " Description d'un animal connu sous le nom de Muse (Viverra)," with four plates, M e m . Acad. Sc. de Paris, 1731, pp. 443-464. PROC. ZOOL. Soc-1882, No. X. 10 |