132 MR. K. ANDERSEN ON BATS - [May 16, 



Measurements of E.h. gracilis, subbaclius, and monoceros. 



Rh. gracilis. SJi. snhhadiiis. jRh. monocerns 



? ad. 

 Tjpe. 



^ad. 



Type. 



Ears, length 



„ greatest breadth 



Nose-leaves, total length 



„ breadth of horse-shoe 



Forearm 



3rd metacarpal 



III.i 



1II.2 



ith metacarpal 



IV.i 



lY? 



oth metacarpal 



V.i 



V.2 



Tail 



Lower leg 



Foot 



Skull, total length 



„ mastoid width 



„ width of brain-case 



„ zygomatic width 



„ supraorbital length 



„ width of nasal swellings . . . . 



Mandible, length 



Upper teeth 



Lower teeth 



mm. 

 15-7 

 11 

 11-2 



6-2 

 36-2 

 25 



9-7 

 12 

 26-5 



7-7 



8-8 

 26-5 



8-3 



9-2 

 13'5 

 14-8 



8 

 15-7 



7-7 



7 



7-7 



4-2 



4-2 

 10 



6 



6-3 



mm. 

 14-5 

 11-2 

 10 



5-5 

 34-2 

 24-8 



9-8 

 11-8 

 25 



7-2 



8-7 

 25 



7-8 



8-7 

 14 

 14-8 



7-8 



4 



10-2 

 6 

 6-2 



6-5 



38-2 



11-2 



's-8 



9-2 



17-8 

 16-5 



23. Rhinolophus acuminatus Peters. 



Diagnosis. Connecting process of the lejndus-tj^e. Sella 

 parallel-margined. Forearm 47-51 mm. 



Details. This species, together with Rh. sumatramis and calypso 

 described below, form a small, well-marked section of the lepidus 

 group, which might conveniently be termed the aciwiinat'us 

 section, confined to Java, Lombok, Sumatra, and Engano, 

 and differing from all the foregoing species : — (1) in being- 

 very much larger ; Hh. lepidus is in size like a Sh. hipposiderus ; 

 Rh. sumatranus like a small RJi,fe7'r%mi-equinum; (2) in being 

 a trifle more advanced in dentition : there seems to be no 

 "vacillation" in the position of pg. 



Sella in Rh. aciominatus practically parallel-margined ; on very 

 close examination an extremely faint indication of an expansion 

 below the middle can be traced. Lancet strongly hastate. 



The rest of the nose-leaves, the mental grooves, the ears, the 

 wing-structure, the length of the tail, and the insertion of the 

 plagiopatagium (on the ankle, or shghtly above or below) as in 

 Rh. lepidus, 



