. The brain as an organ of mind. ses. This statementrests on the authority of Marshall,* who has also calculatedfrom the colossal tables(together with privatenotes) supplied by Boyd,that for English people,with a mean range instature of 7 inches formales, the correspond-ing variation in Brain-weight is 2-75 oz., andthat for females, with amean range in statureof 6 inches, the varia-tion is only 1*25 oz. In ^^^- 132.—Human Cerebrum and Cerebellum,, , . showing the relative size of these parts of the comparing the brain- Brain. (After nirschfeld and LeveiUe.) weights of individuals of different
. The brain as an organ of mind. ses. This statementrests on the authority of Marshall,* who has also calculatedfrom the colossal tables(together with privatenotes) supplied by Boyd,that for English people,with a mean range instature of 7 inches formales, the correspond-ing variation in Brain-weight is 2-75 oz., andthat for females, with amean range in statureof 6 inches, the varia-tion is only 1*25 oz. In ^^^- 132.—Human Cerebrum and Cerebellum,, , . showing the relative size of these parts of the comparing the brain- Brain. (After nirschfeld and LeveiUe.) weights of individuals of different stature, therefore, with the view of tracing theinfluence of other conditions over the weight of the organ,it must always be borne in mind that difference in statureitself is a potent cause of difference in brain-weight whichought to be allowed for in the first instance. It may be well to state here, in general terms, thatrather less than -^th of a total Brain-weight will, for * Proceed, of Eoy. Soc, 1875, vol. xxiii. p. 56416. 350 THE SIZE AND WEIGHT males, be the proportion of such total corresponding wdththe weight of the Cerebellum. For females, however, therelative weight of the Cerebellum is rather greater (1:8-^),on account of the existence in them of a greater propor-tionate diminution in the size of the Cerebrum. Cranial Capacities. The average * cranial capacity for any race can onlybe ascertained by the examination of a large series ofcorresponding skulls, assorted according to Sex. Theimportance of the latter point is great, because, as Flowerpoints ont, difference in Sex, in its influence over capacityof skull, is often decidedly greater than difference ofPlace. The methods of estimating the * cranial capacityhave varied so much at different times, and as adoptedby different investigators, as to make it often bothdifBcult and unsafe to compare their results with oneanother. It is most important that an international methodBhould be agreed upon, and universally ad
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