196 The Biological Society of Washington. 



W Page 



Woods, A. F. : Exhibition of skele- 

 Page tonized leaves xi 



Waite, M. B. : Fasciation in the black 

 locust viii 



Webber, II. .1. : Additions to knowl- 

 edge ofeell vii 



Reproduction of cyeadaceous 



Xantharpyia Ill 



Xenops genibarbis 138 



See'd"p'rodiretion'in's'e'e'dTi'n'g's'.'.' xi Xiphocolaptes procerus 177 



Types <>f fecundation in flow- 



plants x 



ering plants xi 



Affinities of Casuarina xii 



Williams, T. A. : Occurrences of Hy- Zalophus californianus 17 



drotheria venosa x Zamelodia ludoviciana Ho 



