The following list contains the fresh weight of the body but not of the brain, this organ having been removed some time after a zinc chlorid solution had been injected into the body: ANALYSIS OF 80 FRESH BRAIN-WEIGHTS OF THE GENUS MACACUS. Macacus rhesus. Among the 57 specimens there are 25 of males, the same number of females, and 7 of which the sex is not recorded. The body-weight is wanting in the case of one of the males. Twenty of the males weighed over 1000 grammes each, and 22 of the the females. Only one of these, a male weighing 5190 gms., with a brain-weight of 93 gms., can be considered a full-grown adult; the ratio is 1:56 and is doubtless much nearer the true adult ratio than any of the others in the list. The cases are tabulated according to sex, and average brain- and body-weight in the following table: |