Celaenomys silaceus (Thomas, 1895) . Ann. Mag. Nat. Hist., ser. 6, 16:161.

TYPE LOCALITY: Philippines, N Luzon Isl, Mt Data, 8000 ft .

DISTRIBUTION: Known only from N Luzon on Mt Data and Haights-in-the-Oaks (Sanborn, 1952a), but probably lives in montane forest formations elsewhere on Luzon.