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Show 1875.] MR. G. E. D O B S O N O N T H E G E N U S T A P H O Z O U S . 553 This species very closely resembles T. perforatus, Geoff., and may yet be shown to be a variety only of that species. The number of specimens of both species in the Museums at present is not sufficient to decide the question. Type in the collection of the British Museum. 6. TAPHOZOUS MAURITIANUS. Taphozous mauritianus, Geoffroy, Descript. de l'Egypte, ii. p. 127 ; Temm. Monogr. Mammal, ii. p. 291 ; Wagner, Suppl. Schreb. Saugeth. v. p. 685. Taphozous leucopterus, Temm. 1. c. p. 284. Inner margin of the ear indistinctly papillate ; tragus naked, with a distinct angular projection near the base of its outer margin. Gular sac distinct in males, rudimentary in females, the throat being naked only in the position of the sac. Radio-metacarpal pouch smaller than in T. longimanus. Wings from the ankles. Feet small. On the upper surface the face in front of the eyes is covered with short hairs, and the fur of the back extends upon the interfemoral membrane slightly beyond the point of perforation by the tail; beneath, the distribution of fur upon the membrane is similar, but the interfemoral is very thinly covered. Fur, above, from the base for three fourths its length light buffy-brown, then dark brown with grey extremities; beneath, similar on shoulders and sides of the thorax and neck behind the ears as far back as the origin of the antehumeral membrane, tbe neck behind the gular pouch and the remainder of the chest and abdomen pure white. On the upper surface the wing-membrane as far outwards as a line drawn from the ankle to the elbow, and also the antehumeral and interfemoral membranes are brown, the remaining part of the wing-membrane white, except a small ill-defined patch of brown inside the first phalange of the longest finger ; beneath, all the membranes are white. Length (of an adult male): head and body 3"*1 ; tail 1"*0; ear (anteriorly) 0"*8, tragus 0"*25; forearm 2"*4 ; thumb 0"*3 ; second finger 4"*0 ; fourth finger 2"*2 ; tibia 0"*85 ; foot and claws 0"*45. Hab. Africa (eastern and western coasts), Madagascar, Bourbon and Mauritius Islands. In Africa probably limited to the tropical and subtropical regions. Type in the collection of the Paris Museum. 7. TAPHOZOUS NUDIVENTRIS. Taphozous nudiventris, Cretzschmar, in Riipp. Atlas Reise nordl. Afrika, Saugeth. p. 70, fig. 27 b (1826) ; Temminck, Monogr. M a m mal, ii. p. 280; Wagner, Suppl. Schreb. Saugeth. v. p. 684. Inner margin of ears papillate in upper third: muzzle naked, very pointed; a small but distinct throat-sac in the male, in the female rudimentary, represented by a slight fold of skin and nakedness of the integument. Radio-metacarpal pouch very small. Wings |