PLATE 4 



EXPLANATION OF FIGURES 



8 Discharged follicle with cavity completely obliterated. The chief compo- 

 nent is masses of lutear cells (l). The connective tissue center represents original 

 location of cavity (c). X 40. 



9 Part of figure 8 at greater magnification (X 176), showing interstitial cells 

 (i.e.) in connective tissue between lutear masses. 



24 



