| OCR Text |
Show 52 MR. *W. LECHE ON CHIROPTERA FROM AUSTRALIA. [Feb. 5, is known, viz. T. australis, Gould. Among the Australian Bats of the present collection there is, however, one specimen which does not show any near kinship with the above-mentioned species, while in all essential characteristics it so closely corresponds with Dobson's Taph. affinis, that it can only be taken as a geographical variety, which presents the differences indicated below. (1) The upper edge of the tragus is jagged, not quite circular, as in Taph. affinis, yet the ears are not entirely alike on both sides (compare figs. 4 a, b). (2) Behind the aperture of the well-developed gular sac, which is about 5 millim, deep, issues another small duplicative of integument, Taphozous affinis, var. insignis. a, Side view of head; b, right tragus; c, under view of head. the aperture of which is provided with thickened edges. (3) The portion of the wing-membrane between the forearm and the third finger is white. In other characteristics (ears, colour, distribution of fur, &c.) this specimen (which is a male) corresponds with Taph. affinis. Measurements (male). millim. Length, head and body 74 head 30 tail 23 „ tail, free from membrane 9 „ ear, outer margin .... 25 tragus 7 „ forearm 70 „ third finger, metacarpal 68 „ fifth finger, metacarpal 41 „ tibia 26 Hab. South Australia. As Taph. saccolcemus, Temminck, only differs from Dobson's Taph. affinis through the colour of the ventral side and through the presence of a gular sac in the female, and as, again, Taph. affinis, var. insignis, likewise only differs in subordinate characteristics from |
