1868.] 



in the different Races of Man. 



239 



Vedahs of Ceylon and the Hindoos. The mean obtained from 35 crania 

 of males of Hindoo Tribes is 44*22 oz., or 1253 grms. ; that from those of 

 31 females 39*99 oz,, or 1 133 grmxS., — which yields a mean of the two sexes 

 of 42*11 oz., or 1193 grms. A reference to Dr. Morton's observations 

 shows that his series, when properly calculated by our rule, give a still 

 lower mean, viz. 41*74 oz., or 1183 grms. 



The skulls of Mussulman aiTord a slightly increased average of brain- 

 weight over those of Hindoos. This perhaps might have been anticipated. 



The two skulls of male Khonds, one of the unquestioned aboriginal 

 races of India, show a brain-weight of 37*87 oz., or 1073 grms. 



As we ascend the Himalayan Slope we reach races who have a somewhat 

 increased volume of brain. The Lejpchas, Bodos, and Bhotias range about 

 46 oz. 



And when we reach what have been called the Indo-Chinese races, the 

 brain-weight becomes again more considerable. The mean of the Siamese 

 is 47*14 oz., or 1336 grms., that of the Chinese 47*00 oz., or 1332 grms., 

 and that of the Burmese 47'87 oz., or 1357 grms. 



Of the races of Japan only two crania of true Japanese have been ob- 

 tained ; but of the aboriginal Aims, of the Island of Yesso, the brain- 

 weight, as deduced from four skulls, is 45*83 oz., or 1299 grms. 



The general average of the Asiatic Table shows a diminution, when com- 

 pared with that of the European. The numbers are, for the latter, 46*87 

 oz., or 1328 grms., and for the former, 44*62 oz., or 1266 grms., which is a 

 diminution of more than two ounces, or 62 grms. 



At the commencement of the African ItACES we encounter the Berbers 

 and the Guanches, the former inhabitants of Teneriffe. These are people 

 with rather small brains. The general mean amounts to 43*49 oz,, or 

 1233 grms. 



Of the Continental people, the Negroes of Tribes unknown give a slightly 

 increased brain-weight of 44*08 oz., or 1249 grms. The Bahornans rise to 

 a mean of 46*34 oz., or 1313 grms,, and the Bakeles, a warlike tribe on 

 the Equator, to an equally high brain-weight. K brain of an adult Negro, 

 weighed by Dr. Peacock, was found to weigh 45*50 oz., or 1289 grms. 

 Another, examined by Dr. Edmond Simon, was found to weigh, with the 

 membranes, 1226 grms. 



In passing to the more Southern portions of the African continent we 

 find the races much contrasted in respect of their brain-weights. The 

 Kafir skulls, seven-eighths of which are those of men, present a mean of 

 48*16 oz., or 1365 grms., whilst that of the small Bushmans reaches only 

 to 39*70 oz., or 11 25 grms. 



In Prof. Marshall's valuable and elaborate account of the Brain of a 

 Bushwoman in the Philosophical Transactions, there is a careful calcu- 

 lation of the original weight of the brain, which, by means of experiment 

 upon human brains subjected to the action of s,pirits of wine, he was able 

 to restore to its original weight ; and he decided this to have been 30* 7d oz.. 



