NEW PHILIPPINE MAMMALS— MEARNS. 



447 



dusky drab above, drab-gray below; feet whitish drab, without a 

 dusky stripe on upper side; ears drab; whiskers brownish black. 



>Sku/l and teeth. — Skull light, with prominent supeiviliary fronto- 

 parietal beads; braincase arched above; rostrum depressed; temporal 

 fossa slightly ridged; nasal bones rather narrow, pointed posteriorly; 

 audital ])ull}e high, narrow, and elongate. Teeth not peculiar. 



Cranial measurement,^ of the type, an adult female, from Mount Ajw, Mindanao. 



Measurement. 



No. 125216, 



U.S.N.M., 



type. 



Basilar len^t li ( Hensel ) 



Occipitiviiasal IciiRth 



Intfipariital Im adtli (from outer edge of beaded upper margins) 



Lenj;tli ul' inteniasal suture 



Greatest width of rostrum 



, Length of upper toothrow 



14.3 

 30 

 12.5 

 11.. 5 



6 



5.1 



External measurement.'} of tlie type and of an adult male from Mount Apo, Mindanao. 



a Ears probably abnormal. 



S2>eci'nhet}s examined. — Eight; 7 skins with skulls, and 1 in alcohol, 

 all from Mount Apo, at 7,600 feet altitude. 



MUS VULCANI APICIS, new subspecies. 

 APO SUMMIT RAT. 



7}//;^'.— Adult female (skin and skull). Cat. No. 125229, U.S.N.M. 

 Collected on the summit of Mount Apo, altitude about 9,700 feet, 

 southern Mindanao, Philippine Islands, July 6, 1904, by Edgar A. 

 Mearns. (Original number, 5709.) 



OharactcrK. — Kesembling Jfas videani vulcmii.^ but differing in hav- 

 ing a much fuller and softer, almost spineless, pelage; ears shorter; 

 whiskers reaching tips of ears; caudal annuli thirteen to the centi- 

 meter on middle of tail. 



('olor. — Like ridca/ii., but darker above, and more whitish gray on 

 the underparts, which lack the cinnamon wash. 



Skull and teeth. — Like those of vulcani.^ but with shorter audital 

 bullae. 



