cavernous urethra, the rsi^ratod penis, the dorsal pouch In tbo 
fculbo-urathral re ioa, the score weatrai bulbo-ursthral glsrda, the 
lecher proatatlc urethra, the short nidor urethra proper, tad the 
aider per mews of ths sale, as oc&pared with the fesekl9« 
At 3,1 os, (?i&, 15) the vibration of the peris past the serottnft 
has lengthened the Cavernous urethra, which 1.-: narrow<?r and perforated 
so® disturoo fro® tbs prostatlc port tcw&ri the penis, the corpus cavcr- 
nosoa urethrae is developing along its arters-dcrcal surface, and but- 
rourde^tll but its ventral surface. The bulbo—urethral glands under the 
prinordiu® of tha buifcc-caverncu* roscl* and the supra-urethral divert!- 
oalus at the bend, are longer than in earlier stages. ’he pro t»tic 
» 
urethra ha; narrowed very nceh juct anterior to the duots of the bulbo¬ 
urethral glurda end prostates firnt appear a a snail solid diverticula off 
tha dorcal and lateral grooves of the sinus, called the prostatic croovss. 
ihoy ep-ear first at the posterior end of the proetatic urethra and spread 
anteriorly and circumferential! in lathr stages, The prostatic urethra 
is rel lively longer and narre^or thar in the fbnale, The aHlerisn 
ducts open Into the sinus cep rat©ly posterior to the Wolffian duets, 
a d the urethra proper in shorter tha in the fenalc, 
fcy the 7.8 MS, etsr © (Fig. 15) th urogenital plate rersn&nt has its 
definitive posit-oa t the under surface of the gland penis, and perfora¬ 
tion of the cavernous* urethra in alsost coapl etc. ho si*, acid flexure of 
% 
the pools is beginning to derelo and the urethra traverses it* The aupra- 
urethral diverticula at the bond in smaller relatively. Prostate* aur- 
rcuoi the pr c urethra and extend forward alaost to the vagina open¬ 
ing, and the bulbe-urethrdr> begin to branch. Th^ urethra proper in abort, 
and the pro taiic urn thru is about the ssu&e length in scales end featnlcs at 
this ta go. 
At 10,0 os. (fi IT), the prepuce begins to develop round the glens, 
and the whole penis points sere anteriorly than in earlier stages. The 
dorsal divert io-ltus la larger and the bulbo-urcthrols longer and ffiors 
branched. Froststea ar oor© profus© and extent nore around the elongated 
prostatic urethra, which is narrower tha; is the 
