Miller — To'o ^ev:! Malayan Mouse Deer. 175 



Measurements. — External measvirements* of adxilt female from Sapa- 

 gaya River, British North Borneo (No. 19,213 U. S. Nat. Mus.): total 

 length, 600; head and body, 520; tail vertebrte, 80; hind foot, 132 (118). 



Cranial measurements of type: greatest length, 107 (115)f; basal 

 length, 102 (108); basilar length, 96.5 (100); occipito-nasal length, 101 

 (104); zygomatic breadth, 49 (49); least interorbital breadth, 29 (32); 

 mandible 84 (90); maxillary toothrow, 42 (37.4); mandibular toothrow, 

 48 (42.4). 



Specimens examined. — Seven skins and skulls, all from British North 

 Borneo. 



Remarks. — That the Bornean Napu is distinct from that of Sumatra 

 might x-eadily have been suspected in view of the known tendency of 

 the group to vary. Actual comparison shows that the animals are read- 

 ily separable. 



*From well made skin. 



fMeasurements in parenthesis are those of an adult male Tragulus 

 napu from Tapanuli Bay, northwestern Sumatra. 



