no. 1809. MAMMALS FROM BORNEO AND VICINITY— LYON. 65 



that of the under parts; top and sides of head and neck a rather pale 

 or dull tawny ochraceous mixed with some black. A blackish line ex- 

 tends from inner canthus of eye to nose, and on either side of this the 

 tawny ochraceous is rather clear, over a narrow triangular area on 

 top of head it is considerably mixed with black. The usual black 

 nape stripe is barely indicated. Throat pattern composed of four 

 Vs. The first or most anterior V white and bordering the interramial 

 glandular area, except near the middle of the area where there is a 

 small ochraceous spot; second V ochraceous, lined by a few blackish 

 hairs; third V white; fourth V black, except at the point winch is 

 prolonged into an ochraceous, slightly mixed with blackish, line about 

 25 mm. long and passes through the point of the third V to blend 

 with the point of the second V. The sides of the black V are broad 

 and conspicuous. The collar is a mixture of blackish and ochraceous 

 in nearly equal proportions. A narrow line, 2 to 5 mm. wide, mixed 

 blackish and ochraceous in varying proportions, extends from the 

 collar across the white of the chest and into the ochraceous suffusion 

 of the under parts. Outer side of legs mixed tawny ochraceous and 

 blackish, inner side with a narrow white line, bordered on either side 

 by almost clear ochraceous or tawny ochraceous; tail above like 

 back, beneath and at tip white. 



Skull and teeth. — Aside from their smaller size for a member of the 

 napu group, these show no noteworthy characters. 



Measurements. — External measurements of the type and of a 

 paratype, a female with the last permanent molars not yet cut; 

 Cat. No. 151809. Head and body, 485, 490 mm.; tail, 70, 75; hind 

 foot, including hoofs, 123, 125; weight, 2.3, 2.7 kilos. Cranial measure- 

 ments: Greatest length, 102.7, 95.7 mm.; upper length, 94, 88.2; 

 condylo-basal length, 94.4, 90; greatest length of nasals, 28.6, 27.9; 

 zygomatic breadth, 46.1, 43.5; breadth of braincase above roots of 

 zygomata, 33.8, 32.8; mandible, back of condyle to front of symphy- 

 sis, 79.7, 74.5; maxillary toothrow, alveoli, 34.6, 1 ; mandibular 



toothrow, alveoli, 38.8, l . 



Specimens examined. — Two, both from Pulo Sebuku. 



Remarks. — Aside from Tragulus pretiellus, the only species with 

 which T. sebucus needs comparison is T. nigricans Thomas. 2 The 

 latter, however, is a larger animal, "apparently about the size of 

 T. napu," has a more distinct nape stripe, and the throat pattern 

 considerably different. The posterior dark V is black in color to and 

 including the apex of the V, and the apex is not prolonged into a pro- 

 nounced line different in color from the rest of the V. 



1 Last molars not through alveoli. 



2 Ann. Mag. Nat. Hist., ser. 6, vol. 9, p. 254, March, 1892. 



80796°— Proc.N.M.vol.40— 11 5 



