134 MR. K. ANDERSEN ON BATS [May 16, 
side darker than “ mars-brown,” lighter than “ burnt-umber” 
base of hairs scarcely differing in colour; under side “russet.” 
This looks like an intermediate stage between a “dark phase ” and 
a “russet phase.” A second specimen (Gottingen Museum) is, 
however, quite of the same colour. 
Skull. As in Rh. acuminatus. 
Dentition (one skull). p, external. p, and p, quite in contact. 
p? in row; a minute cusp, pointing inwards. The interspace 
between the upper canine and p* is narrower than in acwminatus. 
Measurements. Below. 
Type. & ad. (in alcohol). Lower Langkat, Sumatra; 1898. 
Presented by Herr Gustav Schneider. Brit. Mus. no. 4.4.1.1. 
25. RHINOLOPHUS CALYPSO, sp.n. (Plate IV. fig. 19 a, 6, ¢.) 
Rhinolophus affinis (aon Horsf.) Thomas, Ann. Mus. Civ. Genova 
(2) xiv. (1894) p. 108. 
Diagnosis. Similar to Rh. swmatranus, but horse-shoe much 
broader: 10:2 mm.; ears longer and much broader. Forearm 
52-52°3 mm. 
Measurements of Rh. acuminatus, sumatranus, and calypso. 
Rh. acuminatus. aes Rh. calypso. 
| f. typica. audax. 
2 specimens, 2 specimens, 2 specimens, 2 specimens, 
1 skull. 1 skull. 1 skull. | 1 skull. 
Sar eae = || a 
| Min. Max. Min. Max. Min. Max. | Min. Max. 
| mm. mm. mm. mm. mm. mm. mm. mm | 
Kars, length .. sels 18 19 187 19 I 19:5 2s 
» greatest breadth... | 14 14 145 143 14:3 163 168 
Nose-leay es, total leng th ssceall . U4 14 =14°8 EG 16 =-16°8 
8 breadth of horse-shoe a8 82 Sule e2 82 83 10:2 102 
| Forearm | 505 51 47 495 Sl S152 O23 
3rd metacarpal ... | 35:8 365 33°7 35°2 35'°2 36'8 37 883 
| TIT.} 162 162 15 15 15:2 163 15 158 
TIL 198 20°7 175 20 20 21" || 2079) Mais 
4th metacar pal... 374 38:7 351 383 372 38 || 3882 39:3 
LENSE oi 112 118 97 105 11 17 «|| 10:3 108 
V2 ey 13 eu 12 13 13 13°6 12°8 13°8 
Sth metacar pal... 3877 38°7 386-388 87°5  38'3 38:2 39°3 
Vue ee trea. Selene Gas soma on mah MOG il OTS Tiles; Wes} 12°2 12:7 ily nil} 
Ven Ree ete vc ate tin ne RTOS 13 13°5 13°7 14:6 12°8 13°8 
Tail poacsccvecs santas veboondaeoancacceal| LE 217 = 23°5 25:2 265 24-7 265 
Wbowerslecwcrae gc ey ee aena eae ea a eee nee 21 217 22°5 22°5 22°5 23°2 
INGOU co ocos 118 10°8 11 10°8 11 10°3 11 
Skull, total length . Fea PIG tel Mma nie 21°6 
» mastoid width . a3 Fea NI Ne Es ee Oe PATIOS 2 aes 102 
» width of Braintcases co ine ie Bike OPS yall pea 92 
» zygomatic width ©. .0......-.e.ce 114 C112 socal hemi coe | 109 
»  supraorbital length . eee 5 53 5 54. 
width of nasal swellings . Bae eee 6:2 6 62 || 683 
Mandible, eae gs 16 148 15°8 15:2 
Upper teeth . Ss ci Pea RU GN ha 88 8:2 88 87 
Lower teeth ...........0 9°65 9 9°65 9:2 
