| OCR Text |
Show 704 MR. G. E. DOBSON ON THE MOLOSSI. [Nov. 7, genus Myopterus in the perfectly similar form of its antitragus, and in the shape of its muzzle. The subgenus Mormopterus is distinguished from Nyctinomus by the absence of the first minute upper premolars, and by the distinctly separate ears; but N. norfolcensis, Gray, is quite intermediate, agreeing with Nyctinomus in dentition, and in other respects with Mormopterus ; and the discovery of N. albiventer, Dobson (described further on), adds another intermediate form*. Genus CHEIROMELES. Cheiromeles, Horsfield, Zool. Researches in Java, 1821; Temminck, Monogr. M a m m . ii. p. 345; Dobson, Monogr. Asiatic Chiroptera, p. 177, 1876. Ears separate, as in Taphozous; extremity of the muzzle projecting considerably beyond the lower jaw ; lips smooth, not grooved by vertical wrinkles ; first toe much larger than the others, and separable from them. Dentition.-Inc. 7-. C. ^A, Pm. ~2, M. gAj. Premaxillary bones well developed, conjoined, supporting two strong incisors. CHEIROMELES TORQUATUS. Cheiromeles torquatus, Horsfield, /. c. Dysopes cheiropus, Temm. /. c. i. p. 218, pl. 17. Cheiromeles caudatus, Temm. I.e. ii. p. 348, pl. 66. Ears shorter than the head, triangular, with narrowly rounded tips ; the inner margin of the ear-conch papillate along upper half as in some species of Taphozous; antitragus distinct, rounded; tragus very small, the inner margin not developed, the outer with a small projection near the base. Muzzle long, obliqnely truncated, * The following is a synopsis of the characters of these subgenera:- Synopsis of Subgenera of Molossi. Gen. MOLOSSUS. a. Ears more or less united. o. 9 a'. Premolars ^~; upper incisors with diverging summits, and with their broad bases close to the canines Promops, Gervais. b'. Premolars =^5; upper incisors parallel by their inner margins, their bases close to the canines ... Molossus(Geofir.),Peters. b. Ears distinctly separate ; upper incisors with diverging summits, their bases removed from the canines by a diastema Myopterus, Geoffr. Gen. NYCTINOMUS. a. Ears very close or united together ; upper lip deeply grooved by vertical wrinkles; pre- 9 9 molars ~^-f; Nyctinomus (Geoffr.), Pe-b. Ears distinctly separate ; upper lip slightly ers' wrinkled; premolars r ^ Mormopterus. Peters. |
