402 SENESCENCE AND REJUVENESCENCE 



WOLTERECK, R. 



191 1, "tjber Veranderung der Sexualitat bei Daphniden," Internal. Rev. 

 d. ges. Hydrobiol. n. Hydrogr., IV. 



Woodruff, L. L. 



1914. "On So-called Conjugating and Non-conjugating Races of Para- 

 mecium,''^ Jour, of Exp. ZooL, XVI. 



Woodruff, L. L., and Erdmann, Rhoda. 



1914. "A Normal Periodic Reorganization Process without Cell Fusion 

 in Paramecium," Jour, of Exp. ZooL, XVII. 



WORONIN, HeLENE. 



1908. "Apogamie und Aposporie bei einigen Farnen," Flora, XCVIII. 



