round the tongue of tissue, as in iho f«oa3,« t but the MSUerim ducta 
extend farther fc&ek than the Tolffieeo, 
By ?.» os. { ig* 16) the ducts are discontinuous, and the eatiuia 
has-loot its thick lining of columnar eoltheliuis, but the ret# testis 
ocimects tc it. The hydatid of ttcfgipi is present ao a «atU knob 
on the aiae of the ostites* The lips of the groove that fuze in the 
female to gi e the Anlleri&n duct, have not fused in this specimen 
and a slit takes the place of the duct without the characteristic 
lining. Snail re casts of the degenerated duct or® scattered along 
the gonad region in strong contrast to the feral® condition where it 
is actively d veloping. Utercn. ua culinun is still fcrnm. ^ervix 
in solid, bat a luaeci reap cars once and is gene before the vagina 
proper opens cut with its character!, tic lining. This divides to 
two b fore opening to the s bus as in earlier stages, but here pros¬ 
tates era visible in section near it* 
By the 10.0 on* stage (Fig. 17), the e tier is practically gene 
as such ana the ducts are gone back tc the gubermcular uttsfliami 
to the genital cords, where the right is found such better -reserved 
than the left, one has a luram first where the cords unite. The 
Uterus masculine is about tha sis® of one of the olffian ducts. 
the dftlierian derivative# arc ebse i altogether from the uterus 
sasoullnus to the place where the lolffian ousts nearly reach the 
sinus, where the Vagina waaouliim appears, almost filled with epi¬ 
thelium, and dvidea to two, and iherse open to the sinus, a?? in earlier 
stag s. 
At 17.0 m. (Fig. ia| tte dSllerian duct derivatives occur only 
as the isinut© r.ydatid of hergagni, Utsrua *eccelin»s '4th short, but 
wide lumen, and appereatly a derivative of the left duct, and Vagina 
aasculina, with largo lt&cen near the ainao* awl cucrtmnded by pro- 
static# tubules, Its Unit g is nut that of the normal vagina nor 
