Index. 



181 



T. 



Topographical distribution and 

 physiological selection, 74; of 

 varieties, 81. 



Transformation, serial and di- 

 vergent, 21, lai. 



V. 



Variability and self-fertilization, 

 177- 



Variation in birds, 34. 



Varieties, topographical distribu- 

 tion of, 81. 



W. 



WAGNER, Maritz, 3; on geo- 

 graphical isolation, 76 ; quoted, 

 103 ; law of migration, i n. 



WALLACE, Mr. A. R., 3, 17; 

 9110:66,34,47,51,57,130-136; 

 criticized by Gulick, 153. 



WEISMANN, Prof., on geographical 

 isolation, 76, 114-118. 



Weismannism and physiological 

 selection, 169. 



