470 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



Iciiuth, 72 (72); basilar length, ()8 (67); length of nasals, 27 (25.4); 

 diastema 24 (24); zygomatic breadth, 44 (44.4); least interorbital 

 breadth, 16 (19); mandible, 52.4 (52); maxillary toothrow (alveoli), 

 13.4 (14.8); mandibular toothrow (alveoli), 14.8 (15). 



Specimens ex(i II) hte(L—T\xQ, all from the type locality. 



Remm'Tcs.—Thowgh. closely related to the Bornean form. Tricky s 

 'inacrotlx appears to l)e readily distinguishable l)y its large ears and 

 peculiar hanudars. 



An embrvo with head and body about 40 mm. in length clearly shows 

 that scaly integument, the vestiges of which in the adult have been 

 called att(Mition to l)y Jentink.'' The scales are very distinct on the 

 back, sides, thigh, upper arm, and proximal third of tail, much more 

 so, in fact, than in an embryo M((nis jamnica of about the same size. 

 The largest average a little more than 1 mm. in length. Longitudinally 

 there are about 52 rows, each of which contains 24 scales at middle of 

 body, kt the posterior border of each scale the incipient spines 

 appear as minute rounded projections, of which the central is usually 

 the l)est developed. Five of these rudiments to each scale appears to 

 be the usual number, though seven may occasionally be counted. The 

 middle and terminal portions of the tail lack scales, Init in a favorable 

 light traces of rings are visible along the second third. Near tip the 

 tail rather al)ruptly thickens, and its surface becomes somewhat rugose. 



Measurements of Trichys macrotis. 



Locality. 



Niimlier. 



Tapanuli Bay 



Do 



Do 



Do 



Do 



H4487 

 a 114488 

 114491 

 114489 

 114490 



Female adult. 



do 



do 



Male adult ... 

 do 



Total 

 length. 



653 

 617 

 590 

 600 



Head 

 and 

 body. 



mm. 

 425 

 428 

 422 

 410 

 415 



Tail 

 verte- 

 brae. 



Hind 

 loot. 



Hind 

 foot 



with- 

 out 



claws. 



mm. mm. 



64 61 



225 I 64 j ■■ 60 



195 60 i > 57 



180 66 ' 62 



185 62 i 68 



(I Type. 



Family VIVERRID^. 



HERPESTES BRACHYURUS Gray. 



1837. Herpestes brachyurus Gray, Mag. Nat. Hist., I, November, 1837, p. 578; 

 "Indian Islands." 



A pair of adults, Tapanuli Bay, Sumatra, March 24 and 26, 1902. 

 Measurements: Total length, male, 630, female, 650; head and body, 

 male, 430, female, 435; tail vertebrae, male, 200, female, 215; hind foot, 

 male, 83, female, 82; hind foot without claws, male, 78, female, 78. 



"Notes from the Leyden Museum, XVI, 1894, p. 209. 



