VII.J 



THE MULLERIAN DUCT. 



217 



Section op the Intermediate Cell-mass on the Fourth 

 Day. (From Waldeyer.) Magnified 160. times. 



m. mesentery. L. somatopleure. a', portion of the germinal 

 epithelium from which the involution to form the duct of 

 Miiller (0) takes place, a. thickened portion of the germinal 

 epitheUum in which the primitive ova G and are lying. 

 E. modified mesoblast which will form the stroma of the 

 ovary. WK. Wolffian body. y. Wolffian duct. 



its course its growing point lies m a bay formed by the 

 outer wall of the Wolffian duct, but does not become 

 definitely attached to that duct. It seems however 

 possible that, although not actually split off from the 



