lb. 
«t T. 025* the cutting off of the garni al o itheliur frosi the 
sexrcorda is *o- • mrked. The t aloe &.r K arid or . 
i-sa darkly thaws in the female. The rote la nearer the center of 
tne i.onao and is etore clearly dint In uishatle frr the ties-cord 
rollers o r ‘ tr-j redulla than in the feral®. 
At 1 *8 cc. the serous epithelium of he gonad is one cell thick 
ard its cells yre flattened* The tunica albuginea is cronies out 
t-j a thin layer n -ar the periphery of the gonad by the larger sex- 
cord region* The rote i ; c.'itral and darker sia no tfcar in the 
feral e* where al.ro *fc© tunic is not so well -a ef red * 
At : *1 cr* the sex-cor -j are growing outward and fern a 
definite layer surrounded by tunica &lbu ir>ea. "be oex-eords are 
or anising :nt tubules neat tne t nica. ho eucr. definite arrnnfc- 
fsent ic evident in the fe as* 
At f*| c * the tunioa ifcu, inoa of the teati-r hue U-cn e • r 
vascular in its inner part n.-.xt the sex-cord* and be, nr tc fore 
the t nica vnseulooi, isaking tbs ole tunic appear thicker* The 
rete is ce trs.1* 
At 10. os* increased sits is tr.e only a arent ch-. ye* 
At 17*0 cr* tnere are def-nite tubu.ee extending fr ~ tee 
tunica rmeculosa t- the rote. These have primordial gerr cells, 
each sit. a large nucleus a rroundeci by a clear » no. This gonad 
re sorb lea Tnapi *s fi re of toe testis of a 34.5 c * nor ai, and 
Util * a 20.0 © . the one here it* U 
The fr e e--art in .onad• 
Lillie (* 13) describes the gonad of a .75 cw. frea-saartin and 
Oha r in (’1?) on of 7 a C . ana Vo reader is referred to their 
figures for t: ecu at* e»* 
In 9 * cn. free---artin do. 1 ( i,,. )* t. © gonad ie but 
