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Show 100 MR. K. ANDERSEN' ON BATS [May 16, 12. R e in o l o p h u s t h o m a s i , sp . n . (Plate III. f ig . 10.) Rhinolophus affinis rouxi ? (non Temm.), Thomas, Ann. Mus. Civ. Genova (2) x. (1892) p. 15, pi. xi. fig. 3. Diagnosis. Allied to Rh. rouxi, but p2 external to the tooth-row. Smaller than rouxi, with considerably shorter metacarpals, and the tip of the lancet excessively shortened. Third metacarpal 30*4-31 mm. Forearm 44*8-45*7 mm. Details. While being similar to Rh. rouxi in the shape of the sella and the ears, and the proportionate length of the tail, Rh. thomasi (lifters, externally, from that species in the following particulars:- The horse-shoe is considerably narrower; it is even narrower than in the smaller borneensis and in the much smaller malayanus. The tip of the lancet is exceedingly short, almost rudimentary ; it is the hastate lancet of rouxi carried to an extreme. The general size is smaller, as seen by the measurements of the forearm. But the metacarpals are proportionately much shorter, as short as in the much smaller malayanus. I I I.2 is comparatively Measurements o f Rhinolophus rouxi and thomasi. Hh. rouxi. Hit. thomasi. sinicus. $ ad. Type. typicus. 30 specimens, 18 skulls. 2 specimens, 1 skull. nun. Min. mm. 1 6 6 Max. mm. 19 Min. mm. 16-8 Max. mm. 16-8 13 15 12 12-2 1 3 5 16-2 11*7 11-8 „ breadth of horse-shoe ... 46 8 46 9-2 51*5 7-2 44-8 7'5 4 5 7 34 34 38 30-4 31 IH .l .............................................................. 1 4 6 1 3 7 15-8 13 131 111.2 ................................ 20-8 18-5 2 3 5 20-2 20-2 34-7 3 8 9 31*3 31-9 IV .1 ....................................... 11-2 9 7 12 10 102 IV .2 ........................................................... 1 2 3 11 7 1 4 5 12-2 1 2 7 35-4 35-4 38-9 3 2 3 3 2 7 V.1 ............................................................ 11-9 10-6 132 11 11*2 V .2 ......................................................... 11-2 11-2 13*8 9 9 7 Tail ........................................................... 21 21 26-5 19 19 19-8 19 23*5 18 18 9 11-2 8 8'8 19-8 20-3 23 18-2 9‘7 10-8 9-2 8'7 8-7 9-8 8-7 10-3 10-4 11-8 10 4'8 4‘8 5'8 4'4 5‘8 5 5 5'9 5'3 1 3 5 13 16-4 12'8 7-7 8-2 9‘2 7 1 8'1 8-5 10-3 7*7 |