324 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 46. 



breadth, 5.3; breadth of braincase, 15.3; length of nasals, 32; upper 

 tooth row, crowns, 6.2; mandible, 20.9; lower tooth row, 6.2. 



Specimen. — -One, the type, from Luzon: Baguio (Mearns). 



The type of this new species has been compared with a series of 

 eight skins and skulls of Epimys datse collected by Doctor Mearns 

 at Haights-in-the-oaks, northern Benguet Province. From color 

 characters the forms seem very different, but the skulls indicate a 

 close relationship. 



BULLIMUS BAGOBUS Meams. 



Specimen.—One, the type, from Mindanao: Mount Apo (Mearns). 



BULLIMUS LUZONICUS (Thomas). 



1895. Mus luzonicus Thomas, Ann. and Mag. Nat. Hist., ser. 6, vol. 16, p. 163. 

 1912. Epimys luzoniciis Hollistek, Philippine Journ. Sci., vol. 7, sec. D, p. 29. 



Specimen. — One, from Luzon: Haights-in-the-oaks (Mearns). 



Measurements of the skull of BuUimus luzonicus, No. 151505, an 

 adult female with teeth considerably worn: Greatest length, 56.4 

 mm.; condylobasal length, 54.4; zygomatic breadth, 26.4; palatal 

 length, 29.6; greatest breadth of rostrum, 10; interorbital breadth, 

 7.7; mastoid breadth, 20.8; length of mandible, 34.2; maxillary 

 tooth row, 10.3; mandibular tooth row, 10.3. 



LIMNOMYS SIBUANUS Mearns. 



Specimen. — One, the type, from Mindanao: Mount Apo (Mearns). 



LIMNOMYS MEARNSI, new species. 



Type. — From summit of Grand Mahndang Peak (9,000 feet), Min- 

 danao. Adult female ' (teeth somewhat worn), skin and skull, U. S. 

 National Museum No. 144622. Collected June 7, 1906, by Dr. 

 Edgar A. Mearns. Orig. No. 6190. 



Diagnosis. — %Size small; coloration much darker than in lAmnomys 

 sihuanus, upperparts more slate-gray, less reddish ; underp arts whitish, 

 not buffy. Skull much smaller, with larger teeth. 



Color. — 'Upperparts an indefinite dull grayish-brown, the pelage 

 long and soft, deep neutral gray, tipped with dull brown; sides paler; 

 underparts entirely whitish, the hairs unicolor. Hands thinly haired 

 with white; feet blackish, edged with white; toes white. 



SJcull and teeth. — -Skull much smaller than that of L. sihuanus, with 

 relatively wider and much more rounded braincase; supraorbital 

 beading very slight. Teeth larger, relatively wider and much more 

 rounded, m^ specially wider and less narrowed anteriorly. 



Measurements of type. — Total length, 220 mm.; tail vertebrae, 133; 

 hind foot, 27.5. Skull : Condylobasal length, 25.3 ; zygomatic breadth, 

 14.4; breadth of braincase, 14.0; interorbital constriction, 4.5; length 

 of nasals, 9.6; upper tooth row, crowns, 5.2; mandible, 15.8; lower 

 tooth row, 5.4. 



