10 



NILS GYLDENSTOLPE, THE SWEDISH ZOOLOGICAL EXPEDITIONS TO SIAM. 



Skull measurements of a fetnale specimen: 



Greatest length = 28,s; condylobasal length = 27, i; palatal length to foramen 

 incisivum = 12,2; length of rostrum from orbit to nares = 6,3; width of brain case = 

 12,o; zygomatic width = 18,o; lachrymal width = 6,5; least postorbital breadth = 

 6,8; least interorbital breadth = 5,5; length of mandible from condylus to front of ca- 

 nine = 21, 1; length of upper cheek teeth (c — m 1 ) = 9,2; length of lower cheek teeth 

 (c — m 2 ) = 10,o mm. 



Cynopterus brachyotis angulatus. Miller. 



£ Koh Lak, Siamese Malaya 27 /n 1914. (in alcohol). — Forearm = 70,o mm.; Ear. = 18,6 mm. — 

 <? Koh Lak "/ii 1914. — $ Koli Lak - 7 /n 1914. — § Koli Lak 21 /a 1915 (in alcohol) — Forearm = 

 71,5 mm.; Ear = 19, o mm. — $ Koli Lak - l /-> 1915 (in alcohol). — Forearm = 68,7 mm.; Ear = 18,5 

 mm. — $ Koh Lak 21 / ä 1915 (in alcohol). — Forearm = 68,2 mm.; Ear = 18,2 mm. 



As stated about Cynopterus brachyotis brachyotis S. Mull. both these species were 

 very common at Koh Lak and its near surroundings, though quoating from the specimens 

 obtained, this species seems to be more common than the true brachyotis. 



This is apparently a more northern form than Cynopterus brachyotis brachyotis S. 

 Mull. though both species seems to meet in the northern parts of the Malay Peninsula. 



Skull measurements 



ö" 



Greatest length 



Condylobasal length 



Palatal length to foramen incisivum 

 Length of rostrum (orbit to nares) . 



Width of brain case 



Zygomatic width 



Lachrymal width 



Least interorbital width 



Least postorbital width 



Length of mandible from condylus 



to front of canine 



Upper toothrow (c — m 1 ) 



Lower toothrow (c — m 2 ) 



14,2 



7,2 



18,8 

 6,3 

 5,4 

 6,1 



23,1 

 10,5 

 12.2 



31,0 



mm 



29,4 



» 



13,2 





7,2 



» 



13,5 



» 



19,1 



» 



0,5 





5,3 



» 



6,4 



» 



23,1 



» 



10,0 



» 



10,8 





Cynopterus harpax. Tuos. & Wrought. 



<$ Doi Par Sakeng, Northwestern Siam ll ji 1914. — Forearm = 69, o mm. — $ Doi Par Sakeng 

 17 /t 1914. — Forearm = 71,2 mm. — J 1 Doi Par Sakeng ll ji 1914. (in alcohol). — Forearm = 76, o mm.; 

 Ear = 20,o mm. — $ Doi Par Sakeng u \i 1914 (in alcohol). — Forearm = 80, o mm.; Ear = 18,0 mm. 

 — <£ Doi Vieng Par, Northwestern Siam % 1914. — Forearm = 78,2 mm. 



All these specimens were obtained in heavy forest where they were found roosting 

 in banana trees. 



