INDEX 



359 



Waring, on malaria in Madras, 138 



Warren, Dr. E. ; observations on 

 Daphnia Magna, 50 



Weismann ; definition of heredity, 1 ; 

 the continuity of the germ -plasm, 

 9 ; origin of variations, 19, 47, 

 165 ; on regeneration, 30 ; experi- 

 ments on colour of butterflies, 40-1 ; 

 on a-sexual variation in Ostracods, 

 49 ; on biophors, 57 ; on the un- 

 known factor in evolution, 91 ; on 

 germinal selection, 92 ; on quali- 

 tative changes, 133 ; on Natural 

 Selection 109 ; on instincts of 

 sitaris, 222 ; on general problems, 

 326 



Wells, Dr. W. C., on Natural 

 Selection, 331 



Wells, Mr. H. Gr., on Alcoholism, 



344 

 West Indies, Spanish conquest of, 



184 

 Wheldon, Prof., on Natural Selection, 



109 

 Whooping-cough, evolution against, 



153 



Will, the, 214, 219 

 Wright, Dr. Strethill, on Medusas, 



55 



Yellow fever, passive immunity to, 

 124 ; place of origin of, 175 



Zebra, reversion when cross-bred with 

 horse, 70 



THE END 



