320 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



sided [not spatulate] nasals, rounded, higher audital bullae, and larger 

 teeth. 



Measurements of type (from dry skin).— Head and body, 117 mm.; 

 tail vertebrae, 112; hind foot (moistened), without claws, 23.7. Skull: 

 Greatest length, 30.6; condylobasal length, 28.6; zygomatic breadth, 

 14.6; breadth braincase, 13.2; interorbital breadth, 4.7; length of 

 nasals, 11.2; upper tooth row, alveoh, 5.6; mandible, 17.2; lower 

 tooth row, alveoli, 5.4. 



Specimen. — 'One, the type, from Luzon: Mount Mayon, Albay 

 (Mearns). 



Dr. Mearns's catalogue records of the single specimen: ''Caught 

 in a patch of tall cane grass just above timber hue." This form will 

 doubtless prove to be a geographical race of Epimys querceti. 



EPIMYS LEUCOPH.aEATUS, new species. 



Type. — -From Bagamanoc, Catanduanes Island. Adult female 

 (teeth shghtly worn), skin and skull. United States National Museum 

 No. 155144. Collected May 27, 1909, by D. B. Mackie. Original 

 No. 5. 



Diagnosis.— Size small; pelage very spiny. Differs from all the 

 Philippine members of the concolor group in its pale grayish-brown 

 coloration and relatively heavy skull, with massive rostrum. 



Color. — -Upperparts from head to rump dark brownish-drab, a 

 mixture of sulphur-yellow spines with brown tips and softer hairs 

 with dark gull-gray bases and cinnamon-buff tips. Cheeks, sides, 

 and limbs paler, more grayish; hands and feet pale buffy-white. 

 Underparts pale buffy-white with brighter yellomsh wash on groin 

 and at base of tail; hair of belly and chest faintly gray at base. 



SJcuU and teeth. — Skull most resembling that of E. querceti of Luzon, 

 but with decidedly heavier, wider, rostrum and smaller, more rounded, 

 audital bullae. Teeth essentially as in querceti. 



Measurements of type (from well made dry skin) . — Head and body, 

 114 mm.; tail, 112; hind foot, without claws, 24. Skull: Greatest 

 length, 28.9; condylobasal length, 27.4; zygomatic breadth, 14.2; 

 breadth braincase, 13.2; nasals, 10.2; breadth rostrum, 5.4; interor- 

 bital breadth, 4.9; upper tooth row, alveoli, 5.1; mandible, 16.5; 

 lower tooth row, 5.0. 



Specimen. — One, the type, a breeding female from Catanduanes: 

 Bagamanoc (Mackie). 



EPIMYS CALCIS Hollisfer. 



Specimens. — Twenty-three, including the type, from Luzon : Baguio 

 Benguet, 23 (Mearns). 



EPIMYS NEGRINUS (Thomas). 



Specimens. — Three, from the following localities: Negros: Canlaon 

 Volcano, 2 (P. B. S.); "Negros," 1 (Steere). 



