232 MILLER 



Teeth. — The teeth do not differ appreciably from those of Tzipaia 

 ferruginea. 



Measurements. — External measurements of type : total length 336 ; 

 head and body 171 ; tail vertebrae 165 ; pencil 25 ; hind foot 41 (38. 8). 

 External measurements of an adult female from the t3'pe localit}^ : 

 total length 3 iS; head and body 178; tail vertebrae 140; pencil 20; 

 hind foot 40 (37.6). 



Cranial measurements of type: greatest length 49.6 (49.4)^; basal 

 length 46 (45.6) ; basilar length 43 (42.4) ; median palatal length 

 27 (25) ; length of nasals (posterior extremity not clearly determin- 

 able) 15.4 ( — ) ; distance from lachrymal notch to tip of premaxillary 

 22 (19) ; diastema 4 (3.6) ; width of palate between anterior molars 

 8 (9.4) ; lachrymal breadth 19 (17-4) ; breadth of rostrum at middle 

 of diastema 7 (6.8); least interorbital breadth 15.4 (14); zygomatic 

 breadth 25.4 (25) ; breadth of braincase above roots of z3'gomata 19.4 

 (18.8); least distance from inion to rim of orbit 21 (23); occipital 

 depth 12 (13); depth from middle of parietal to lower surface of 

 audital bulla 17.2 (17) ; depth of rostrum at base of nasals 7 (7-8) ; 

 depth of rostrum at middle of diastema 5 (5.4) ; mandible 33.4 

 (32.6); maxillary toothrow (behind diastema) 15 (17); mandibular 

 toothrow (behind diastema) 13 (13.6). 



Specimens examined. — Two, both from the type locality. 



Rejuaf'ks. — Tiipaia sordida differs from its mainland representa- 

 tive to about the same degree as the other insular members of the 

 Tioman fauna. 



TUPAIA CHRYSOMALLA sp. nov. 



Type, adult female (skin and skull). No. 101710 United States 

 National Museum. From Pulo Siantan, Anambas Islands, collected 

 August 24, 1899. 



Characters. — Size, proportions, and cranial characters as in Tupaia 

 ferruginea. Color as in T. ferruginea except that shoulder stripes 

 are even more indistinct. The back is tinged with dull ferruginous 

 and the whole tail is suffused with golden yellowish brown which 

 forms a clear band on under surface. 



Color. — Summer pelage : back, sides, and outer surface of legs a 

 fine grizzle of ferruginous and seal-brown, the former predominating, 

 particularly in region between shoulders, the latter most conspicuous 

 on legs. Head essentially like back but more finely grizzled and 

 slightly tinged with gray. Underparts and inner side of legs dull 



'Measurements in parenthesis are those of an adult male Tupaia fciTuginca 

 from Trong, IvOwcr Siam. 



