OCR Text |
Show 1876.] MR. G. E. DOBSON ON THE MOLOSSI. 733 inwards and forwards; a blunt projection from the cingulum of each posteriorly. First upper premolar small, but much larger than in the other species of the genus, filling up the space between the canine and second premolar. Lower incisors six, deeply bifid; first lower premolar small and acutely pointed, its inner side partly covered by the expanded cingulum of the second premolar, as in M. rufus; second premolar double the size of the first, its cingulum directed obliquely forwards and upwards. Length (of an adult $ ) : head and body 2"*1 ; tail 1"*25, tail free from membrane 0"*6 ; head0"*8 ; ear 0"*6, tragus 0"*15 x 0"*1 ; forearm 1"*35; thumb 0"*26 ; second finger-metacarp. 1"*3, 1st ph. 0"*55, 2nd ph. 0"7; third finger-metacarp. 1"*25, 1st ph. 0"*45, 2nd ph. 0"'4; fourth finger-metacarp. 0"*9, 1st ph. 0"*35, 2nd ph. 0"*15 ; tibia 0"*4 ; foot and claws 0"*3. Hab. Australia (New South Wales, Queensland) ; Norfolk Island. Inc. g; Pm. 7^. Ears separate, tragus triangular. (Subgen. MORMOPTERUS, Peters.) 20. N Y C T I N O M U S A L B I V E N T E R , n. sp. Ears triangular, shorter than the head, inner margins arising from distinct points of origin from the forehead; inner margin of the ear-conch almost straight, slightly concave in upper third, tip rounded off, outer margin straight; antitragus scarcely defined, separated posteriorly by a very shallow notch ; tragus nearly as broad opposite the base of its inner margin as high, irregularly triangular, rounded off above, very similar in shape to that of N. norfolcensis, but less triangular and broader above, an obtuse projectiou about the middle of its outer margin. Extremity of the muzzle projecting very much beyond the mandible, the end of the nose very prominent and distinct from the upper lip, nostrils opening almost laterally. Sides of the upper lip with vertical grooves not well defined. Gular sac small. Wings from the lower third of the tibiae or from the ankles; fifth toe somewhat smaller than the first. Dentition similar to that of N. acetabulosus (to be described), but the lower incisors are not crowded. Fur, above, white at the base, the remaining part dark brown ; beneath, the greater part of the chest and abdomen dirty white, the sides brown. Wing- and interfemoral membrane nearly naked; a narrow band of fur extends outwards behind the forearm and along the proximal third of the fifth metacarpal bone. Length (of an adult $, the type): head and body 2"* 2; tail 1"*25, tail free from membrane 0"7 ; head0"*85 ; ear 0"*65, tragus 0"*15 ; forearm 1"*45 ; thumb 0"*35 ; second finger-metacarp. 1"*4, 1st ph. 0"*55, 2nd ph. 0"7 ; third finger-metacarp. 1"*4, 1st ph. 0"*5, 2nd ph. 0''*35; fourth finger-metacarp. 0"*9, 1st ph. 0"*35, 2nd ph. 0"*15; tibia 0"*4 ; foot and claws 0"*3. Hab. Madagascar. Type in the British Museum. |