\ 
309 ESSAYS ann OBSERVATIONS 
ART. XVI. 
A Defcription of the Seminal Veffels, by 
ALEXANER Monro, Student of Medicine 
in the Univerfity of Edinburgh. 
HO?’ all anatomifts agree, that the feed 
feparated in the teflicle, paffes thro’ 
the cpidydimzs to rife in the vas defe- 
rens, yet few have aright notion of even the 
grofler tubes in which it is conveyed. Ihave 
luckily made quickfilver pafs farther in thefe 
feminal veflels, and thereby brought more of 
them into view, than I fee defcribed in any 
anatomical book ; as you may judge by the 
preparations and pictures which I now fend 
you, at my father’s defire. 
De Graaf had formerly endeavoured, by 
diflection, to unravel the epidydimis; and 
paints it*, as rifing from the tefticle in fix or 
feven branches, which join at. its caput or 
firft remarkable turn into one pipe, the nu- 
merous contostions of which form the body 
of 
* De Vir, Organ. Tab. i. Fig. 3. et Tab. 4. Fig. 3. 
