I. THE FEMALE BITTERLING AS TEST OBJECT 

 FOR ENDOCRINE EXPERIMENTS 



§ I. THE OVIPOSITOR TEST 



FLEISCHMANN and KaHN (1932), EhRHARDT and KUHN 

 U933)» Kanter, Bauer, and Klawans (1934) have 

 employed the ovipositor test in hormone experiments. We 

 have elaborated their method into a quantitative one. 



Fig. I. Diagram representing the female bitterling with anal finray divided 

 into 8 parts showing the length in A.U. (anal fin units) of the ovi- 

 positor. 



