LIST OF ILLUSTRATIONS 



FIGURE PAGE 



1. The Development of the Pituitary of the Cat .... 2 



2. Model of the Pituitary Region of a Rabbit Embryo . . 4 



3. Diagrams of the Pituitary Region in Some Vertebrates . 5 



4. The Blood Vessels of the Human Pituitary Body ... 10 



5. The Cells of Origin of the Principal Nerve Fibers to 



THE Human Posterior Lobe 12 



6. Cells of the Pars Glandularis of the VVoodchuck 13 



7. Cells of the Pars Glandularis of the Dog 14 



8. The Pars Intermedia of the Monkey 17 



9. The Pars Tuberalis OF the Monkey 18 



10. The Effect of Spaying on the Basophil Cell of the Pitui- 

 tary OF the Rat 25 



11. The Effect of Hypophysectomy on the Male Rat ... 45 



12. The Skeletons of the Hypophysectomized and the Normal 

 Male Rat 46 



13. The Effect of Hypophysectomy on the Female Rat . 47 



14. The Skeletons of the Hypophysectomized and the Normal 

 Female Rat 48 



15. The Effect of Hypophysectomy on the Gross Appearance 



OF the Testis of the Rat 49 



16. The Effect of Hypophysectomy on the Microscopic Ap- 

 pearance OF the Testis of the Rat 50 



17. The Effect of Hypophysectomy on the Gross Appearance 



OF THE Seminal Vesicles of the Rat 51 



18. The Effect of Hypophysectomy on the Microscopic Ap- 

 pearance OF THE Seminal Vesicle of the Rat 52 



19. The Effect of Hypophysectomy on the Gross Appearance 



OF the Ovaries of the Rat 53 



20. The Effect of Hypophysectomy on the Microscopic Appear- 

 ance OF THE Ovary of the Rat 53 



21. The Effect of Hypophysectomy on the Gross Appearance 



OF THE Uterus of the Rat 54 



. [xv] 



