14 
The ©varies 7*5 cr* ** bryo. ! : & - a decidedly fesaie in type with 
a cortical l-.y*r eonsi tie* of covers! layer# ger Inal opithsiiw* 
and secondary se.'.-cords* ontsid? and separated by the pr stury ttmica 
alfcu f inoa frcsa a alalia of primary ees-cords and rote* T is tunic 
is be•‘sing vascular* The gonad id of the typo described by Chapin 
(*17) for the Roroal ovary of this filsed ©rbryo. 
At ?*0 c . (fig* 1)* the £#• inal epilfceliu i ntill connect'-d 
/ 
to the t iclear if yer . oserdary .ex-o©rds* the rivalry tunica al- 
ta&^n&a s Rare vascular, the ed -11a loosely p^c'.ed* ani tne rote 
rs a r.s near th o^ssertary* 
At 16*0 c • * the ovary is larger* but shoes the ssrse i -erol 
topography ir, a metier a - th- • cr. nc»noul fo^ie in Chapin* ( ' 1" > 
paper* except that the definitive ov\*.ri.n tunica alhu Inca ir not 
yet forcing* 
At 20*0 OR* the germinal epithelium is otll connected to the 
secondary «ox-cords which are thicken* tr-v primary tunica al¬ 
ba inesi is thicker and more vascular* The rote is near the 
mesentery in position* 
Particulars a to the latar stance are fivon by Chapin C*17) add 
are beyond the scope of this paper* 
In mlos;- 
Tfstes are first dictingtr sbcble fr a overien at bout 1.5 cm* 
by the fact that the germinal et iheliu become but one layer 
*;•• ic a ... ij.ii cell ; ’. : . it* ‘"ur c-1 to 1 ' * ;r 
eta ni g Iyer* the tunica albuginea, rsc losing a denser staining 
edulla* of cello which *1U later . ive rise to the primary *y-cords 
a j finally to the seminiferous tubules* The rote is more Cc trally 
placed than in the female, but Is hardly to bu i tio>»uieh 0 d from 
the surroundin cells at tbl: uta,;;e. 
