THE 



AMERICAN NATURALIST 



Vol. XLIV November, 1910 No. 527 



HEREDITY OF SKIN PIGMENTATION IN MAN 



GERTRUDE C. DAVENPORT and CHARLES B. DAVENPORT 

 Carnegie Institution of Washington, Station for Experimental 

 Evolution, Cold Spring Harbor, N. Y. 



C. Heredity of Skin Pigment in Typical Caucasians 



(a) Blond X Blond (Table I) 



(6) Brunei X Blond (Table II) 



(c) Brunei X Brunet (Table III) 



(d) Intermediate X Intermediate (Table IV) 



(e) Intermediate X Blond (Table V) 



(/) Intermediate X Brunet (Table VI) 



(g) Comparisons and Condusions (Tables VII, VIII) 



D. Heredity of Skin Pigmentation in Crosses between Whites and 



Negroes 



I. Both Parents are Albinos (Cases 1-3) 



II. Neither Parent Albinic . 



guinity (Cases 4-6) 



( (Case 7) ^..^ 



IV. The D.G.V. Family 



Parents of Albinos (Tables IX, X, XI) 



VI. The Origin and "Cause" of Albinism (Tables XII, XIII) 

 VII. Conclusions 



