David P. Barrows, The Negrito and Allied Types in the Philippines and The Ilongot or Ibilao of Luzon
“ I have to go much lighter than what I am now to keep up with the little black Negrito. He is like a flea; here to-day, there to-morrow, and ever on the move when food is gone, and at rest, when he has a supply, long enough to consume it. ”
