A THIRD COLLECTION OF SIAMESE MAMMALS. 315 



These young examplfS are very different in colour from adults 

 but they have been in spirit for four years and liave perhaps faded a 

 good deal : they are brown above and pale below, the head is pale 

 ferruginous and the darker colour of the nape extends forwards to be- 

 tween the eyes in the form of a V- 



Head and body, 136,138; tail, 42,41; hind foot, 24,25; ear, 9,10. 



37. Acanthion brachyurus brachyurus. 



Ifi/stii.c hniihi/unis, Linn. S}'st. Nat , i, Ed. 10, p. 57 (1T58). 

 Acanthion brachunis, Kloss, antea, p. 85. 



Two foetuses in spirit. Bang Nara, Patani, Peninsular Siani. 

 Mr. C. J. Aagaard (Nos 2(J09-10). 



Entirely naked except for six rows of short bristles on the sides 

 of the snout, a bristle above the eye, another behind and below it, 

 one behind the angle of tiie mouth, and a couple on the throat. 



Length of head and body about 125; tail, 34; hind toot, s.u. 17 : 

 ear 7.5. 



1 understand that these foetuses came from the porcupine re- 

 corded on p. 86. 



38. Tragulus kanchil fulviventer > ravus. 



2 d,l 2. Bang Nara, Patani, Peninsular Siam. July 1910. 

 Messrs. Williamson and Smith's collectors. [Nos 2481-3]. 



These tliree examples of the Lesser Mouse-deer are intermediate 

 between /((/rirertier Gray, of Singapore and the Malay States, and nu'MS 

 Miller, of Trang, Peninsular Siam : though rather duller than the form- 

 er they have the nape stripe equally pronounced, whereas in ravus it is 

 not so marked. 



Li mouse-deer the upper canines in bucks take the form of long 

 moveable tushes (about 18 mm) which are represented by very small 

 teeth in tlie does. 



Head and bodj', 436, 454, 459; tail, 75, 77, 72 ; hind foot in- 

 cluding hoof, 116, 110, 117; ear, 39, 37, 35. 



Skulls: greatest length, 94, 92.5, — ; condylo-basal length, 86, 

 85, — ; greatest breadth, 41.3, 42.3, 41; maxillary tooth-row excluding 

 incisors (alveoli), 34, 31.5, 33.8. 



VOL. II, DEC. 1917. 



