INDEX 



199 



Vaccination, 116 



Vaccinia, 116 



Variability, 143, 144, 149, 151, 155 

 curve of, 148, 151 

 index of, 153, 154 

 measure of, 152, 153 



Variation, 69, 143, 144, 155, 164, 



174 



abnormal, 143 



continuous, 143 



correlated, 155 



curve of, 145, 148 



definite, 143 



discontinuous, 143, 144, 155 



fluctuating, 143 



germinal, 95, 99, 100, 109 



normal, 143 

 Vernon, H. M., 163 

 Virgin-birth, 24 

 VolvocinecB, 6 

 Volvox, 20 

 Von Baer, 29 

 Vorticella, 17 



Wasting, 104 

 Water-flea, 24, 60 



Water- worm, 25 



Weakness, congenital, 102 



Weismann, 51, 57, 58, 63, 64, 67, 

 69, 70, 71, 74, 77, 79, 80, 85, 

 89, 95. 96, 98, loo, 103, 105, 

 140 



White Dorking, 133 



Willow, 22 



Wilson, E. B., 91 



Worms, 14, ii, 24, 34, 63 



Wyandotte, 133 



Xenia, 87 



Yeast, 6, 14 

 Yolk, 34 



central, 34, 47, 49 



diffuse, 34, 47, 49 



polar, 35, 47 



predominant, 35, 47 

 Yule, G. Udny, 171 



Zanardinia, 18 

 Ziegler, H. E., 117 

 Zygote, 124 



THE END 



BILLING AND SONS, LTD., PRINTERS, GUILDFORD 



