AGE CYCLE IN PLANTS AND UJWER ANIMALS 265 



Wilson, H. V. 



1911a. "Development of Sponges from Dissociated Tissue Cells," Bull 



of the Bureau of Fisheries, XXX. 

 191 1^*. "On the Behavior of Dissociated Cells in the Hydroids, 

 Alcyonaria and Asierias," Jour, of Exp. ZooL, XL 

 Winkler, H. 



1902. "ijber die nachtriigliche Umwandlung von Bluthenbliittern und 



Narben in Laubbliitter," Berichte d. deutsch. bat. Ges., XX. 

 1907. "tJber die Umwandlung des Blattstiels zum Stengel," JahrbiUhcr 

 f. wiss. BoL, XLV. 

 Wolff, G. 



1895. "Entwickelungsphysiologische Studien: 1, Regeneration dcr 

 Urodelenlinse," Arch.f. Entwickelungsmech., I. 



