DESCRIPTION 
SECTIONS 
75 
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neurenteric passage could not be determined. Its general characters indicate 
however that the embryo cannot have been further advanced than Graf 
v. Spee’s embryo “ Gle,” and it is probably even younger. 
chorionic vesicle. 
The section passes through the mouth of the follicle ; the shaded masses on 
each side of this are necrotic portions of lutein tissue. 
The relations of the chorionic vesicle to the ovary are shown in 
Figures x, xi, xn, which are drawn from the actual preparations by 
means of Edinger’s projection apparatus. 
Figure x is a reconstruction in the longitudinal plane from sections 
of the two series above mentioned. Figs, xi and xii represent each a 
section of one-half of the gland in the transverse plane, and an imaginary 
