59 . 
of this side while the cmle has it l.ff/^,4 as long as the finals* the 
a'all prir sordine* of th? P- ra-urctbral duets ap oar an in a fessale of 
20.0 or* (?ir. 11) on the dcrac-lai ral groove o vssiibule cu a*iCh 
side. Tf this i & horologno of the pro state as givan by eu. sbaaar 
C 1 ** develop* 3-stc? here as in t Mai#* and ir the female fashion, 
not pestaro-antcrlorly as in the sale. 
The 20.0 Ofl. frea-aartin (fig. £4) has & such acre advanced fe- 
r/sale typo of vulva and a flattened cut v lvo-vestibtiiar canal, eh lie 
the bulbo-vestibular glands arc better developed. Cifcer s^v^nceu in 
devolo-,sent u e e own by the r ortening »"d widening of the vestibule* 
the ne^.hod of union • f the vagina auaoulina ?rith the oiffian ducts 
and sinus, 'the suburethral diverticulum, the length f the urethra 
pr psr, and overs ir th presence and condition of th.- two nil para¬ 
urethral ducts -f Skeane as in the 5 .0 on. fesaio, but larger. And 
so hero, too, th‘ female conditions are retained, but tbu* para-ure¬ 
thral ducts nr ahead of the fenale, but are evidently « eendary in 
their tine o atirrulation, Just &» in the ferule, but thia study dc©3 
not tabs in late enough stages to decide their ex id hoaclogy. 
lbs sexual differences in the develop® at of the derivatives of 
the urogenital sinus and plate, brought out by i i study, are a* 
follows*- 
(1) The devalopaant of the lon t , cavornocs urethra with sigaoid 
flexure in the sale, lacking in the ferule, ic aocosp&aisd i . the 
ffiiile by widening of the psrincun a d closing over of th urc ratal 
piste, with consequent vontro-artsrior olgration of the penis. Its 
aba once ic the fa ale in aoc epanied by greater recurving cf th© 
clitoris. 
(2) Tovolcpaent of the avail supra-urethral divertieolw* in the 
male at tho bend of the urethra and junction of + h cavernous and pro- 
static portions, to receive the bulbo-urethral gland*, with no re-o'ccu© 
in the fera! i. 
