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Show 142 DR. J. ANDERSON ON A NEW CETACEAN. [Feb. 7, S C I U R U S Q U I N Q U E S T R I A T U S , n. sp. (Plate X.) Above grizzled olive, brownish grey, with a distinct rufous tint, deepest on the dorsal surface ; annulation fine, as in the grizzled Squirrels generally; chin and throat obscurely grizzled greyish, washed with reddish; a rufous grizzled blackish-brown band from the chest along the middle line of the belly to the vent; external to this, on either side, a broad pure-white well-defined band from the side of the chest, along the belly, and prolonged along the inguinal region to the vent; a broad black band from the hollow of the axilla along the side of the belly, expanding on the inside of the thighs, where it is faintly washed with greyish ; inside of the fore limbs blackish, washed with greyish ; toes black, with rufous annulations. Tail nearly as long as the body and head, concolorous with the body, but the black and rufous annulations much broader and more marked, assuming the form of indistinct rufous and black rings on the posterior third ; tip of tail jet-black, narrowly terminated with greyish. Length from root of tail to snout 9*039 ; length of tail 7075 ; skull, from anterior margin of occipital foramen to base of incisors, 1*062; interval between first molar and incisors 1*050; transverse distance between first molars 0076; breadth between orbits 0*076. This is a hill species, common at Ponsee, on the Kakhyen range of hills, east of Bhamo, at an elevation of from 2000 to 3000 feet. 9. Description of a new Cetacean from the Irrawaddy River, Burmah. By J O H N ANDERSON, M.D., F.L.S., F.Z.S., &c, Director of the Imperial Museum, and Professor of Comparative Anatomy, Medical College, Calcutta. [Received February 7, 1871.] DELPHINID,_*. ORCELLA *. Orcaella, Gray, Cat. Seals and Whales Brit. Mus. 1866, Head round, globular, slightly pointed when viewed from above • forehead full, projecting a little beyond the mouth; blow-hole transversely crescentic, convex posteriorly. Pectoral fin of moderate size, not elongate, but somewhat pointed; dorsal fin placed behind the middle of the body. Fingers moderately short; length of index equal to the distance between its base and the head of the humerus. All the bones of the fingers broader than long, except the proximal ones of the index and third finders. Skull subglobular, high. Rostrum short, tapering ; breadth of base considerably more than half the breadth of the cranium • length nearly equalling the length of the remaining portion of the * Dr. (>ray writes the name of this genus Orcaella, but for euphony's sake, and to avoid transgression against the laws of Litinity, I suggest Orcella. |