4^8 ESSAYS AND OBSERVATIONS 



greateft flow of liquors is, that is, at the 

 place -where the placenta is attached to 

 the womb; as my brother has juflly re- 

 marked. 



If we compare the above defcription 

 "with the common notion of a finus, we 



fliall find they differ widely. They are 



generally defined to be large cavities in 

 the middle of the fabftaiice or flelhiy part 

 of the womb, that have fmall branches 

 of arteries and veins opening into them, 

 ■with canals, whofe diameter is confider- 

 ably lefs than that of the finus, running 

 obliquely through the fubftance of the 



womb to open upon its inner fide. 



But fince, after a diligent fearch, no fi- 

 nufes of this form could be Ceen. in this 

 fubjecft ; as neither my brother not the 

 accurate Albinus paint or defcribe any 

 fuch ; and, as the ingenious and diligent 

 Br Haller pofitively affirms, in one of his 

 iatefl: works *, that, after repeated experi- 

 ments, he could not obferve them ; it 

 feems probable, that the trunks of the 



veins 



* PriQi, Lia, phyf. § 804, 



