NEW PHILIPPINE MAMMALS— MEARNS. 



449 



( 'naiiiil iiH'iisiirt'iDiiUs of tin' l;il>e, <m adult friiia/r, from Paittar, Miinlnndn. 



Measurement. 



No. 12329-1, 



U.S.N.M., 



type. 



Basil.'ir length ( Hensel ) 



( )<'i'ipito-nusal length 



Inter|iarietal breadth (from outer edge of beaded upper margins) 



Leugtli of iiiternasal suture 



Greatest l>readt h of rostrum 



Length of upper toothrow 



External nteasiironcvts, the li/pe. 



2-1. f) 

 29 

 12.0 

 10 



5 



5.2 



Mea.surement (taken from fresh specimen). 



Total length 



Tail vertebne 



Tail to end of hairs 



Hind foot 



Head 



Ear above crown . . 

 Ear above notch . . . 



No. 123294, 



U.S.N. M., 



type. 



250 

 125 

 128 

 27 

 36 

 14 

 IS 



MUS COMMISSARIUS, new species. 

 PHILIPPINE HOUSE-MOUSE. 



Tt/j}e.~Achi\t female (skin and .skull), Cat. No. 125213, U.S.N.M. 

 Collected in the inilitaiy commissary building at Davao, southern 

 Mindanao, Philippine Islands, July 19, 1904, by Edgar A. Mearns. 

 (Orig-inal number, 5734.) 



Charaeters. — Smaller than J///*- mu>icuJus Linnieus; color similar, 

 but with underparts darker; whiskers not reaching tips of oars; tail 

 bicolor. 



Color. — Upperparts hair brown, strong!}- washed with raw umber; 

 underparts drab, faintly washed with cinnamon; tail dusky brownish 

 above, soiled gra^ ish white below. 



Sl'uU and teetJi. — Similar to ]\[i(s inasculus but smaller, with rela- 

 tively smaller audital bulhe; nasals ending obtusely, considerably in 

 advance of the l)ase of the premaxillaries, instead of acutely and even 

 with the premaxillaries. 



Specimens examined. — Two. The type, which contained two fu3tuses, 

 and male topotype, Cat. No. 125214, U.S.N.M. 



