Forehead—Moderately high and broad; moderately retreating.
Crown and back of head—Middle arched.
Face—Moderately high and generally oval; sometimes angular tapering from above.
Eye-slit—About equally divided between straight and oblique; moderately open. Mongolian fold slightly developed in one third of cases.
Nose—Root:—Moderately broad and nearly flat, but sometimes moderately high.
Bridge:—Middle broad and inclined to be concave. Straight noses occur.
Wings:—Usually thin and inclined to be swelled.
Lips—Middle thick and inclined to be double bowed.
Ears—Outstanding. Lobes small and close growing.
Apayao
Observations on 32 Males
| Range | Average | ||
| Height, standing | meters | 1.48 to 1.70 | 1.587 |
| Length of head | " | .175 to .199 | .1877 |
| Breadth of head | " | .137 to .158 | .1492 |
| Height of head | " | .119 to .155 | .1331 |
| Breadth of zygomatic arches | " | .130 to .149 | .1418 |
| Length of nose | " | .040 to .054 | .0466 |
| Breadth of nose | " | .035 to .044 | .0390 |