from The Century Dictionary and Cyclopedia
- n. Same as altitudinal index.
Sorry, no etymologies found.
For example: the cephalic indices of eight out of the twenty-seven were 80 or above, while six were less than 75; again, in the length-height indices six were above 70 and an equal number less than 65.
The average length-height index, taken from the tragus to the vertex, of the same persons, was
The length, breadth, and height of the cranium were determined, and from these were calculated the length-breadth, length-height, and breadth-height indices = = that is, the breadth and height were expressed as percentages of the length or breadth.