Proceedings of the Scientific Meetings of the Zoological Society of London 1876

Page 826

706 MR. G. E. DOBSON ON THE MOLOSSI. [Nov. Iu the following analytical table of the species, aud in the subse­quent descriptions, reference is often made to the different parts of the ear-conch shown and named in the woodcut below, which repre­sents, in half-outline, the head of Molossus glaucinus. Fig. 1. Head of M. glaucinus. a, Antitragus ; b, keel of the ear-conch; c, notch Synopsis of the Species. Muzzle obtuse, rounded in front; lips smooth, not wrinkled ; tragus triangular or linear. a. Antitragus circular, as high as long. a'. Tragus triangular with a broad base ; inner margins of the ears arising by separate . . „ . 2 1-1 points oi origin ; inc. ^, pm. --^. a". Ears obtusely pointed, forearm 1"'2 b". Ears rounded above. a'". Centre of breast and abdomen white; forearm l"-35! b'". Centre of breast and abdomen not dif­ferent from sides ; forearm l"-7 b'. Tragus linear, subacutely pointed, inner mar­gins of the ears arising from the same point or very close together. behind antitragus. c". Inc. -5, pml.- i d' 2' Inc. \, Pm*2=2 II. 1. Antitragus half-oval or half-cordate, longer than high, tragus linear ; inc. -, pm. ^-^ Muzzle very obliquely truncate, its superior and external front margins formed by the sharply cut cartilaginous rim of the nostrils, lips smooth or very slightly wrinkled; tragus quadrate; inc. 2 ' 2-2 If Pm* 2=2* rt. Ears longer than the head ; gular sac large ; first upper premolar external b. Ears shorter than the head, gular sac small; first upper premolar in the tooth-row. a'. Upper lip smooth ; forearm 2"*3 b'. Upper lip slightly wrinkled ; forearm l"-8 ... 1. M. temminckii, p. 707. 2. M. planirostris, p. 707. 3. M. brachymcles, p. 708. 4. M. rufus, p. 709. 5. M. nasutus, p. 711. 6. M. abrasus, p. 712. 7. M. pcrotis, p. 713. 8. M. glaucinus, p. 714. 9. M. boriariensis, p. 715.