[ < 58 4 1 
The Circle of 'Points A. marks the Place which 
anfwers the oval Cavity that is in the Right 
Auricle, and is the Cicatrix of the Foramen 
ovale at the Birth. 
The Women in whom I have found the Foramen 
ovale of the Second and Third Sort , were about 
<5o Tears of Age. 
2 . The Figure of the Canal of the Urethra determined 
H E Neceffity I am under of founding frequently, 
and the Difficulties that I have fometimes met 
with in this nice Operation, have made me refolve 
fcrupuloufly to examine the Figure of the Canal of the 
Urethra. 
I have made thereon a number of Experiments, 
Two of which I fhall now defcribe. 
I melted Refin with Wax, and inje&ed this Li- 
quid through the Urethra. I filled the Bladder but 
half way with it, in order to preferve all the Wrinkles 
of the Canal. When the Inje&ion was cold and 
folid, I cut through the Ojfa innominata. I differed 
the Left Side of the Canal and Bladder, and the 
Sc&ion of thefe Parts gave me Fig. the ift. Tab. III. 
of which this is the Explanation. 
A. The Gians. 
B. An Elbow , which the Ligamentum fufpenforium 
caufes the Penis to make± 
by folid Injections. 
I. 
Figure i. 
C. 
