A NEW MOUSE-DEER FROM UPPER SIAM. 89 



Tliere is tlie usual thro.at-triangle which is of the ?ame colour 

 as the sides of the neck, but it is not closed anteriorly and the sides are 

 only 6-8 mm. wide. A faintly-indioated ochraceous line is present 

 down the centre of the chest and expands somewhat on the abdomen. 



^feasuremenf■'<. Exterinl mertsurenients taken in the flesh : — 

 head and body, 525 ; tail, 74 ; hind foot, 125 ; eir, 43. Skull : — greatest 

 length, 103 ; condylo-basal length, 94.7 ; basal length, 88.3 ; palatal 

 length, 63 ; length of upper tooth-row : — alveolar 33.2, crowns 34.5 ; 

 crowns of premolars only, 17 ; greatest length of nasals, 30 ; greatest 

 breadth of combined nasals, 13.3; least interorbilal breadth, 27; 

 zygomatic bieadth, 45.3 mm. 



VOL. II, DEC. 1910. 



