ZWILLING, E. 1940, An experimental analysis of 1941. The determination of the otic vesicle 



the development of the anuran olfactory organ. Jour. in Rana pipiens. Jour. Exp. Zool. 86: 333-342. 



Exp. Zool. 84: 291-320. (Heterotopic transplantation (Amblystoma, Rana pipiens; heterotopic zenoplastic 



blastula fragments into blastocoeles of gastrulae; transplantation of otic vesicle; tinne of determination.) 

 induction of olfactory organ; heteroplastic and hetero- 

 chronic induction; Rana pipiens, R. palustris.) 



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