688 THE GENERATIVE ORGANS. 
The body of the testis is seen at this period, in sections, in 
the anterior part of the fifth abdominal segment. It consists 
of small closely-packed cells which have a radial arrangement, 
surrounded by a distinctly differentiated capsule of mesoblastic 
cells. 
The Ovary is smaller than the testis on the third day ; it is 
pyriform, and measures ‘2 mm. in its long diameter. The 
genital cord is continuous with its posterior extremity or apex. 
The genital cord of the ovary is much more slender than that 
F 1G. 99.—A section through the ovary and genital cord, froma pupa about three days 
old. gc, genital cord ; , mesoblastic stroma of the ovary ; 7, neck of the ovary ; 
y, yelk-stocks, 
of the testis, it does not join its fellow, and has a length of 
about 2° mm.; it terminates by joining a minute vesicular in- 
vagination of the hypodermis on the ventral surface of the 
abdomen immediately in front of the position of the future 
anus. At this period the genital cord is a solid string of small 
cells similar to those which form the apex of the ovary, sur- 
rounded by a very thin, apparently structureless, sheath con- 
tinuous with the peritoneal coat of the ovary. 
In sections, the ovary is seen to consist of a solid cellular 
