LITEEATURE 277 



207 Waeiren, H. C. : Numerical Effects of Natural S'eleotion Actii^ 

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aos Weismann, a. The Evolution Theory. (Trans. J. A. Thomson 

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210 Wellington; R. : Influence of Crossing in Increasing the Yield of 



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21 1 Wentwoeth, E. N. : The Segregation, of Fecundity Factors in 



Drosophila. Jour. Gen., 1913, iii, 113-120. 



212 Wentwoeth, E. N., and Aubbl, C. E. : Inheritance of Fertility in 



Swine. Jour. Agr. Res., 1916, v, 1145-1160. 



213 Wentwoeth, E. N., and Remick, B. L. : Some Breeding Properties 



of the Generalized Mendelian Population. Genetics, 1916, ij 608- 

 616. 



214 Weste^rmakck, E. : The History of Human Marriage. 3rd Ed., 



London, 1903, pp. 644. 

 815 Wheelee, W. M. : The Ants of the Baltic Amber. Sehrift. Phyaik- 



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217 Whitney, D. D. : " Strains " in Hydatina. Bial. Bull, 1912, xxii, 



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218 Whitney, D. D. : Weak Parthenogenetic Races of Hydatina senta 



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330. 

 ai9 WiEGMANN, A. F. : Ueber die Bastarderzeugung im. Pflanzenreich. 



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 220 WiTHiNGTON, C. F. : Consanguincous Marriages: Their Effect upon 



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 821 Wolfe, T. K. : Ftother Evidence of the Immediate Effect of Cross- 

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 282 WoODEtriT, L. L. : Two Thousand Generaitions of Paramecium. 



Arch. f. Protistenkunde, 1911, xxi, 263-266. 



223 Woods, F. A. : Heredity in Royalty. New York, 1906, pp. 312. 



224 Woods, F. A.: The Influence of Monarehs. New York, 1913, 



pp. 421. 



225 Weight, S. : The Effects of. Inbreeding on Guinea-pigs. I. Decline 



in Vigor. II. Differentiation among Inbred Families. III. Crosses 

 between Different Highly Inbred Families. (Doctor Wright kindly 

 permitted the authors to read these valuable unpublished papers 

 in manuscript.) 



