KT7NGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 57- NIO 2. 



15 



The specimen from Koh Lak is somewhat darker in colouration and the bases of 

 the liairs on the back are pure white instead of fnlvous white as in the other specimens. 



Skull measurements 



18,1 mm. 



17,3 mm. 



— 



8,9 » 



— 



7,9 » 





8,5 »> 



— 



10,1 » 



(5,1 » 



5,9 » 



6,7 » 



6,3 » 



Total length 



Mastoid breadth 



Width of bräm case 



Zygomatic width 



Length of mandible from condylus 



to front of canine 



TJpper toothrow 



Lower toothrow 



Coelops frithii. Blyth. 



J 1 Chieng Mai, Northern Siarn 18 /u 1914. — Forearm = 40, g mm. — J 1 Chieng Mai 18 /c 1014. — Fore- 

 arm = 42, i mm. — j 1 Chieng Mai 18 /« 1914. — Forearm = 43,5 mm. — $ Chieng Mai 18 /c, 1914 (in alco- 

 liol). — Forearm = 40,o mm. — $ juv. Chieng Mai 18 /o 1914. 



The whole series was obtained in an old almost ruined pagoda just outside the town 

 of Chieng Mai. 



The young specimen has the wing membranes as well as the interfemoral membrane 

 påle grey. The colour of the fur above is almost black, below it is grey and of a much 

 paler colour than that of the adult specimens. 



Skull measurements 



O* 



a* 



Total length 18,0 mm i 18,1 mm. 



Mastoid breadth 7,8 » 7,9 » 



Width of brain case 7,8 > 8,0 » 



Zygomatic width t 7,5 » 7,8 » 



Length of mandible from condylus : 



to front of canine : 10,0 » 10,1 » 



Upper toothrow 6,1 » 6,4 » 



Lower toothrow 6,8 » 6,8 



Some other species of the Genus Coelops have been described viz. Coelops bern- 

 steini Peters from Java and Coelops robinsoni Bonh. from the mountains of the Malay 

 Peninsula (Gunong Tahan and Kao Nawng, Bandon). In Coelops bemsteini the fore- 

 arm is about 42 mm. and in Coelops robinsoni the forearm only measures 37 mm. 



Eptesicus pachyotis. Dobson. 



$ Doi Par Sakeng, Northwestern Siarn 22 /? 1914. — Forearm = 43,2 mm. — J 1 Doi Par Sakeng 

 u h 1914. — Forearm = 44,6 mm- — § Doi Par Sakeng '% 1914. — Forearm = 44,5 mm. — $ Doi Par 

 Sakeng 22 /t 1914. — Forearm = 43,3 mm. 



This is apparently a somewhat rare species, the types of which (collected at Khasia 

 Hills, Assam) for a long time remained unique until a specimen was collected by Ro- 



