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Show 1867.] MR. ST. GEORGE MIVART ON THE LEMURIDJE. 971 posterior palatine foramina small; a small malar foramen ; sphenoidal fissure and foramen rotundum together represented by a single opening ; no conspicuous carotid foramen on the basis cranii; angle of mandible produced downwards as well as backwards ; mastoidal region of periotic inflated ; tarsus short; number of dorsal and lumbar vertebrae 1 Hab. Madagascar. 1. L. musfelinus. From the north-west of Madagascar. Native name " Fitiliki." 2. L. ruficaudatus*. Native name " Bovenghe." CHEIROGALEUS*]*. I*X)C.SP.M.S,M.S,=^36. Upper incisors very unequal, the anterior pair much the larger; third upper premolar veiy much smaller than the first molar, and with only one external cusp ; first upper premolar decidedly, sometimes very greatly, exceeding the second in vertical extent; upper molars with an oblique ridge from the postero-external to the large internal cusp, the postero-internal cusp being very small or absent; fifth cusp of last lower molar obsolete or rudimentary ; palate much prolonged beyond the last molars, with no defects of ossification; praemaxillae largely developed, joining the nasals for more than a quarter of their (the nasals') extent; an interparietal bone; a small malar foramen; carotid foramen conspicuous on basis cranii; pterygoid fossae elongated; ectopterygoid plates subparallel; angle of mandible bent downwards, or not so bent; seven lumbar vertebrae. Hab. Madagascar. 1. G. milii%. First upper premolar decidedly, but not very greatly, exceeding the second in vertical extent; lower incisors not as long as the mandibular symphysis ; angle of mandible not produced downwards ; muzzle not much elongated ; length of dorsum of naviculare less than half the length of the astragalus ; astragalus about two-thirds the length of the os calcis ; cuboides somewhat longer than the dorsum of the naviculare. From the east coast of Madagascar. 2. G. furcifer §. First upper premolar exceedingly long, like a shorter second canine; lower incisors as long as the mandibular * Rev. Zool. July 1867, p. 256. f Geoff. St.-Hil. Ann. du Mus. d'Hist. Nat. t. xix. p. 171; Isid. G. St.-Hil. Cat. des Prim. p. 76; Wagner, Schreber. Suppl. i. p. 273, and v. p. 147; Dahlb. Studia Zool. p. 221; Gray, P. Z. S. 1863, p. 142; St. Geo. Mivart, P. Z. S. 1864, p. 642. + Geoff. St.-Hil. Cours sur les Mamm. 1828, p. 25; Isid. G. St.-Hil. Cat. des Prim. p. 77; Gray, P. Z. S. 1863, p. 142; St. Geo. Mivart, P. Z. S. 1864, p. 642. Cheirogaleus typicus? A. Smith, S. Afr. Journ. ii. p. 50; Gray, P. Z. S. 1863, p. 142. 8 Isid. Geoff. St.-Hilaire, Cat. des Prim. p. 77. Lepilemur Jurcifer, Gray, P. Z. S. 1863, p. 145. Microcebus furcifer, St. Geo. Mivart, P. Z. S. 1864, pp. 621 & 642; Pollen and Schlegel, loc. cit. p. 8, pl. 5. |