Corrections made to printed text

P. 15. 'long vacuity between incisors and pre-molar' corrected from '...

canines and pre-molar' (canines are absent!)

P. 147 (ears) 'exposed' corrected from 'ex-exposed' (line break).

A Hand-book to the Primates, Volume 1 (of 2) · 第 248 / 249 题