356 Mortoti's Crania Americana. 



If the anterior lobe manifest the intellectual faculties — the mid- 

 dle lobe, the propensities common to man with the lower animals — 

 and the posterior lobe, the domestic and social affections ; and if 

 size influence power of manifestation — the result will be that in 

 the nativ^e American, intellect will be feeble — in the European, 

 strong ; — in the American, animal propensity will be very great — 

 in the European, more moderate ; — while in the American, the 

 domestic and social affections will be feeble, and in the European, 

 powerful. We do not state these as established results ; we use 

 the cuts only to illustrate the fact that the native American and 

 the European brains differ widely in the proportions of their 

 different parts ;* and the conclusion seems natural, that if differ- 

 ent functions be attached to different parts, no investigation can 

 deserve attention which does not embrace the size of the differ- 

 ent regions, in so far as this can be ascertained. 



We have entered more minutely into the reasons why we re- 

 gard these measurements as important, because we conceive that 

 the distinguishing excellence of Dr. Morton's work consists in 

 his having adopted and followed out this great principle. It 

 appeared necessary to dwell upon it at some length, also, be- 

 cause Professor Tiedemann, in his comparison of the European 

 with the Negro brain, has entirely neglected it, and in conse- 

 quence has arrived at physiological conclusions which we re- 

 gard as at variance with the most certain psychological facts, 

 viz. He says that " there is undoubtedly a very close connec- 

 tion between the absolute size of the brain and the intel- 

 lectual POWERS AND FUNCTIONS of the miud ;" and proceed- 

 ing on this principle, he compares the weight of the whole 

 brain, as ascertained in upwards of fifty Europeans of different 

 ages and countries, with its weight in several Negroes, exam- 

 ined either by himself or others. He gives extensive tables 

 showing the weight of the quantity of millet seed necessary to 

 fill Ethiopian, Caucasian, Mongolian, American, and Malay skulls j 

 and adds that " the cavity of the skull of the Negro in general, 

 is not smaller than that of the European and other human races." 

 The inference which he draws, is that intellectually and 'morally^ 

 as well as anatomically, the Negro is naturally on a par with the 



* From inspecting numerous crania of both races, we cannot doubt of the gen- 

 eral truth of this proposition. 



