NEW PHILIPPINE MAMMALS— MEARNS. 



445 



Sl'iill (Did teetli. — Skull similar to that of Mus. nrindaneusis^ ))ut 

 hiohcr in the pai'ietal rej^ion, with nasals and I'ostrum narrower, and 

 with audita! V)ulla^ smaller and much narrower. Teeth not peculiar. 



Specimens exauiined. — Only the type. 



This species is named in honor of Mr. Fletcher L. Keller, of Davao, 

 Mindanao. 



Cranial measurements vf the ti/pe, an adult female, from Davao, Mindanao. 



Measurement. 



No. 125278, 



U.S.N. M., 



type. 



Basilar length ( Hensel ) 



Occii)i to-nasal length 



Interparietal breadth (from outer edge of beaded upper margins) 



Length of internasal suture 



(Greatest breadth of rostrum 



Length of upper toothrow 



:!S. .5 

 tl 

 13.7 

 14 



7 



7.5 



External measurements of the type. 



Measurement (taken from fresh speeimen). 



Length 



Tail vertehrfe 



Tail to end of hairs 



Hind foot 



Head 



Kar above erown . . 

 Ear above notch . . . 



No. 12.527S, 



U.S.N. M. 



type. 



375 

 198 

 202 



40 



.50 



18.5 



MUS TODAYENSIS, new species, 

 TODAYAN RAT. 



OotnlZ-hough Iahr-ree-a]n/ (Bagobos of Todaya, JMouiit Apo). 



7}//>r^— Adult female (skin and skull), Cat. No. 125224, U.S.N.M. 

 Collected at Todaya, altitude 4,000 feet, on Mount A])o, southern 

 Mindanao, Philippine Islands, July 11, 1904, by Edg-ar A. Mearns. 

 (Original number, 5722.) 



Characters. ^S'lze small; pelage very spiny; ears rather large, nearly 

 naked; tail concolor, finely haired, with annuli (numbering 12 to the 

 centimeter) plainly visible; whiskers extending l)eyond the tips of the 

 ears; tail about equaling the length of the head and body. Its gen- 

 eral appearance suggests the rats of the 3fus sardu.'< group, which are, 

 however, much more spiny. 



Color. — Upperparts tawny-olive, finely mixed with black in the 

 vertebral area, and with broccoli brown on the sides; underparts 

 grayish white perceptibly washed with cinnamon; ears *.uul tail ])ui- 

 plish gray -brown; feet pale drab-gray, with a stripe of sepia on upi)er 

 surface. 



Proc. N. M. vol. xxviii— 04 29 



