480 Journal of Comparative Neurology and Psychology. 



Occupation (as an index of social status). 



Immediate cause of death. 



Chronic illnesses of adult life. 



Stature 



Body-weight. 



Head length. ] All measurements made 



" breadth. I before skull is opened, 



" height. [ and with hair removed 



Maximum horizontal circumference of head ; at points of contact. 



Age. 



Sex. 



This list is presented with the hope that any future worker 

 who may be about to undertake the labor involved in obtain- 

 ing a large mass of human brain weight statistics will at least 

 consider the points raised. 



It gives me pleasure to acknowledge my indebtedness to 

 the Carnegie Institution for aid in carrying on this and other 

 biometric investigations. 



LITERATURE CITED. 



Beeton, M. and Pearson, K. :01. 



Inheritance of the Duration of Life and the Intensity of Natural Selection 



in Man. Biometrika, Vol. i, pp. 50-89. 1901. 

 Bischoff. T. L. W. v. '80. 



Das Hirngewicht des Menschen. Bonn, 1880, pp. vi and 171, plus Tables. 

 Deniker, :00. 



The Races of Man. London and Neiu York, 1900, pp. xxiii and 61 1. 

 Fawcett, C. D. :02. 



A Second Study ot the Variation and Correlation of the Human Skull, 



with Special Reference to the Naqada Crania. Biometrika, Vol. I, pp. 



408-467 PI. IV-X, Tables 1-8, 1902. 

 Greenwood, M. :04. 



A First Study of the Weight, Variability and Correlation of the Human 



Viscera, with Special Reference to the Healthy and Diseased Heart. 



Biometrika, Vol. Ill, pp. 63-83, 1904. 

 Lee, A. and Pearson, K. :01. 



Data for the Problem of Evolution in Man. VI. A First Study of the 



Correlation of the Human Skull. Phil. Trans. A. Vol. 196, pp. 225-264. 



1901. 

 Macdonell, W. R. :04. 



A Study of the Variation and Correlation of the Human Skull, with Special 



Reference to English Crania. Biometrika, Vol. Ill, pp. 191-244, PL I-L, 

 Tables 1-8, 1904. 



