602 PROCEEDINGS OF THE NATIONAL MVSEUM. vol. xxxi. 



TUPAIA DISCOLOR, new species. 



1905. Tiipaia ferruginea Willink, Natuiirkundig Tijdschrift Nederlandsch-Indie, 

 LXV, p. 298. 



Tyj)e.— Adult female, skin and skull, Cat. No. 124703, U.S.N.M., 

 collected at Tanjong- Rengsam, island of Banka, east of Sumatra, May 

 24, 1904, by Dr. W. L. Abbott. Original number, 3262. 



Diagnostic characters. — Similar to Titjyaia ferruginea Raffles, but 

 lower half of back distinctl}" grayish, belly tawny (as in T. clirysogaster 

 Miller) instead of grayish. Shoulder stripe conspicuous, bright tawn}^ 

 instead of grayish as in ferraginea. Teeth smaller, bulla? and brain 

 case more inflated than \\\ JWruginea. 



Color. — Tj^pe: Upper parts of head, neck, anterior half of back and 

 outer sides of forelegs has the general effect of a deep, rich hazel finely 

 grizzled with blackish. At the middle of the back this effect passes 

 into a grizzle of raw sienna and black, extending over the posterior 

 half of body and outer side of hind legs. Brightest portions of the 

 underparts (middle of l)elly, axilhe, and bordering sides of neck) dull 

 tawny ochraceous gradually' lightening out elsewhere into dull ochra- 

 ceous buff. The conspicuous shoulder stripe, ochraceous rufouso 

 Upper surface of tail blackish, finely and sparingly grizzled with cream 

 buff. On the under surface of tail a dirty cream-buff predominates 

 except along the outer edges, where the colors are the same as -the 

 upper surface. Feet blackish brown, sparingly grizzled with the light 

 colors of the legs. 



Sl'ull and teeth.- — Skull similar to that of Tvpaia ferruginea., but 

 slightly smaller, with smaller teeth, the crowns of first and second 

 maxillary molars more nearl}" quadrate, bull* distinctl}" larger, and 

 brain case more inflated. 



Measurements. — External and cranial measurements of the type:'' 

 Total length, 395 mm.; head and body, 220; tail vertebrw, 175 (collec- 

 tor's measurements); hind foot, 49 (from dried skin); greatest length 

 of skull, 495; basal length, 44; condylo-basal length, 47; palatal 

 length, 27; upper length, 48; zygomatic breadth, 25.5; least inter- 

 orbital breadth, 14; breadth of brain case above roots of zygomata, 19; 

 breadth of palate between middle molars, 10.5; maxillar}' tooth row, 

 exclusive of incisors (alveoli), 19; mandible condyle to front of sym- 

 physis, 34; mandibular tooth row, exclusive of incisors, 19. 



Specimens examined. — Nine skins with skulls, one odd skull, and 

 two in alcohol, collected at Tanjong Rengsam; two skins with skulls 

 and one in alcohol from Klabat Bay. 



BemarLs. — The series of skins and skulls is very uniform. There 

 are no noticeable individual variations; an immature individual has 



« For measurements of the series see page 603. 



