INDEX 



459 



White ants (illus., 137), 134. 



White pelicans (illus.), 220. 



Whooping-crane (illus.), 220. 



Wild duck (illus.), 302. 



Wings showing homology and anal- 

 ogy (illus.), 14. 



Wood-boring beetle larva (illus.), 

 811. 



Woodchuck, 241. 



Woodcock, 223. 



Woodpeckers, 228. 



Worms, 59. 



Xiphias gladius (illus.), 273. 



Yellow-jacket (illus.), 327. 

 Yellow-perch (illus.), 165. 

 Young, number of, 277 ; care of, 

 397. 



Zenaidura macroura, 225. 

 Zirphcea crispata (illus.), 93. 

 Zoo geography, 435. 



(5) 



THE END 



