92 MR. K, ANDERSEN ON BATS [May 16, 
in its outline is produced, not by a heightening of the anterior 
swellings, but by a reduction of the posterior pair; these latter, 
which in all the allied species form a sort of transition between 
the anterior swellings and the adjacent part of the supra- 
orbital crests and interorbital constriction, are in stheno so much 
reduced as to leave the anterior swellings more isolated, @. e., more 
abruptly projecting. 
Dentition. p, external; p, and p, im contact; p* in row, cusp 
extremely small. 
Measurements. Below. 
Type. 3 ad. (in alcohol). Selangor, Malay Peninsula. Pre- 
sented by H. N. Ridley, Esq. Brit. Mus. no. 98.3.13.1. 
Distribution. Selangor ; Penang. 
Remarks. Rh. stheno differs from Rh. borneensis in the series of 
characters pointed out above. From &h. nereis, in the shape 
of the facial portion of the skull, the much slenderer brain-case, 
and the shorter tooth-rows. From 2h. rowwi, in the shape of the 
facial portion of the skull; the much shorter metacarpals (al- 
though the forearm 1s of the same length as in smaller individuals 
of pour) the long III.’ (compared ‘with ILI. ); the short IV.’ 
Measurements of Rhinolophus malayanus, nereis, and stheno. 
\Rh. malayanus.|Rh. nereis.| Rh. stheno. 
3 specimens, @ ad. 4, specimens, 
| 2 skulls. Type. 3 skulls. 
Min. Max. Min. Max. 
mm. mm. | mm. mm. mm. 
Kars, length .. A sae tne PETA aOR, ALOIS ae Wy es 
> greatest breadth eel e tl toss 8 1 13-7 18. ery | 
Nose- leaves, TOWAN NEM — soo cveoccesocasl| SFA) SERA a | 138 14:2 
55 breadth of horseshoe... 73 8 | 9 1 8 $3 
Forearm.. Saasdod tide Godan care encws socntee| meee Ate) 245 |} 45:2 48 
3rd metacarpal — Bor Ate eee Li dente ape ee nea(), MESS TL | PSeea 9) Biles Sys 
JOU eee Bee Se oe Ree ear eter emt ft ic Bane beg 13°2 12°6 18 
NEE ee he AE Geach cis Bas callie LOTS GIB: al Ql 201 217 | 
4th metacarpal — LUNE oagheenecumoostecaoal ly Ora nail an a nner? 330 38a'8 
er OME AL nee ate) BAP NOT Sy sm MEN MOLT FSS, | 
JE NWP. D La iso Spao ee bakaaiaiacriac crs sericea thee te) Go) 105 | 12°8 11 125 | 
5th metacar pal SAbsruope al adomeo Ud eor ote 30. 315 =| 34 335 3842 | 
Veena ce oe mPen she acetal usae a machetes Oy OS | 10°8 9 104 | 
ane 97 10 | 10°2 105 115 | 
Tail PER so ZRRMEL OM EMionn Mia eee Lp gOS eM wah lg 155 17:8 | 
Tio werwle ge: nsenrt 6 ade terccacieccteioneiaee 168 178 | 21 19°8 203 | 
Foot ....... Se BHOU ROE CHORD OES eS eaten | 9°3 85 92) | 
Skull, total leneth tee ate eee op b anne ahi tone! 21-2 197 202 | 
57 DASTONG! WAH 555m 060 280002 00008 Scar 10:2 9:3 10 
> Width of brain-case ...............| 8 3: 9°5 Siommoud 
5 AVEOTIENNG WACWIN so6o0c0n5c0a0cee00) 9: aa 108 Pee LOwt 
;, supraorbital length .. eG Sulee  O2aee| 56 5 sik | 
width of nasal sw ellings ‘ee | 52 56 5'8 ee 55 | 
Mandible, length .. Geanaeouncaal e Lieel ee ea! es [Por ls ba be tel 
Upper teeth Mite aM LaRue a hl aca Veal 8:7 Cs 1D | 
howerrbeetht tee cncce racer seneerercmniie t3 dio a Sl ee 
| 
