INDEX 



441 



Wilson, Alexander, on numbers of 

 passenger pigeons, 125, 126 



Winter transformed into summer, 

 153 



Wood, various qualities of, 352 



Woodrufffc-Peacock on detailed 

 floras, 15; on meadow and pas- 

 ture plants, 17 



Woodward. Dr. A. S., on progress- 

 ive developments of some charac- 



ters, 285; on small brains of early 

 vertebrates, 270 

 Wulfenia carinthiaca, small range 

 of, 19 



X-RAYS prove use of pain, 411 



Zoological regions, species of birds 

 in, 96 



