8O J. M. ESSENBERG. 



PLATE II. 



Note: All drawings of this plate are made from a preparation of a young 

 normal ovary of a single individual. 



FIGS. 4-5. Transverse section of anterior and posterior parts of ovary. 

 X 115. 



FIG. 6. Transverse section of the anterior primordium of oviduct through 

 the anterior region. X 115. 



FIG. 7. Transverse section of the anterior primordium of oviduct through 

 middle region. X 115. 



FIG. 8. Transverse section of the anterior primordium of oviduct through 

 posterior region. X 115. 



FIG. 9. Transverse section of central portion of oviduct showing a solid 

 cord of cells. X 115. 



FIG. 10. Transverse section of posterior primordium of the oviduct through 

 the anterior region. X 115. 



FIG. ii. Transverse section of posterior primordium of the oviduct through 

 the posterior region. X 115. 

 Symbols : 



ee External epithelium of gonad. 



epo Epithelium of ovarian cavity. 



ft Fatty tissue. 



lo Lumen of oviduct. 



in Mesentery. 



mo Mesovarium. 



nt Nest of primordial germ cells. 



o Ovum. 



oc Ovarian cavity. 



od Oviduct. 



p Peritoneum. 



pgc Primordial germ cells. 



ppo Posteriorly extending portion of ovary. 



rt Rectum. 



thm Thickened portion of mesovarium. 



ub Urinary bladder. 



ur Ureter. 



Mrt Urethra. 



