THE PHILIPPINE 
~ JOURNAL OF SCIENCE 
Vou. I OCTOBER, 1906 No. 8 
THE NON-CHRISTIAN TRIBES OF NORTHERN LUZON. 
By Dean C. WORCESTER. 
(From the office of the Secretary of the Interior, Manila, P. I.) 
INTRODUCTION. 
In this article the words “Northern Luzon” are used to designate that 
portion of the island lying north of a line drawn due east from the city 
of Manila to the Pacific coast. 
Great confusion exists as to the classification and geographical dis- 
tribution of the non-Christian tribes inhabiting this area. It would be 
impracticable, within the limits of a brief article, to discuss all of the 
different classifications which have heretofore been proposed and I shall 
confine myself to three of the latest and most authoritative. In 1882 
Prof. Ferdinand Blumentritt published his “Versuch einer Ethnographie 
der Philippinen,” in which he recognizes one race and tribe, the Negritos, 
and a second race, the Malays, which he subdivides into twenty-three 
tribes. His classification by tribes stands as follows: 
1. THe NEGRITOS. 
Habitat: Principe, Isabela, Cagayan, North and South Iokos, Abra, Pan- 
gasinan, Zambales, and Bataan. 
2. IGORROTES. 
Habitat: Benguet, Lepanto, including the district of Tiagan and Bontoe. 
3. Busaos. 
Habitat: The northern part of Tilas Cordillera, Tiagan, the northern 
half of Lepanto and Bontoce on the northern waters of the Rio Cagayan. 
4. ALTASANES and ILIMUTES. 
Habitat: Nueva Vizcaya. 
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