CONTENTS 



Pag. 



INTRODUCTION i 



I THE FEMALE BITTERLING AS TEST 



OBJECT FOR ENDOCRINE EXPERIMENTS 4 



I THE OVIPOSITOR TEST 4 



2 THE SPECIFICITY OF THE OVIPOSITOR TEST . . 6 



3 THE REACTION TO STEROID HORMONES ... 9 



A The reaction to estrones 9 



B The reaction to pregnanes 10 



C The reaction to androstanes 18 



4 THE REACTION TO GLANDULAR EXTRACTS . • 26 



5 THE REACTION TO URINE 34 



6 SUMMARY 38 



7 THE LUTEIDIN PROBLEM 39 



II THE CONCATENATION HYPOPHYSIS-> 

 OVARY^OVIPOSITOR IN THE BITTER- 

 LING 46 



1 THE HISTO-PHYSIOLOGICAL EXAMINATION OF 

 THE HYPOPHYSIS 46 



2 HOMOLOGY OF THE HYPOPHYSIS-LOBES ... 56 



3 THE BLOOD SUPPLY OF THE HYPOPHYSIS IN 

 Rhodeus amarus 62 



4 THE INNERVATION OF THE BITTERLING HYPO- 

 PHYSIS 65 



5 THE HAEMO- AND NEUROCRINIA OF THE HYPO- 

 PHYSIS OF THE BITTERLING 69 



6 SUMMARY 73 





