144 H^emajlatic^. 
and impell the Blood out of them: But I 
was foon difappointed in my Expectations ; for 
the Water tho* a much more dilute Fluid than 
the. Blood,' had no free Paffage from the Ar- 
teries to the Veins ; the reafon of which feems 
to be, that, as appears in many Inftances in 
the fecond and third Chapters of Vegetable 
StatickSy Water entering the Interftices be- 
tween the Sap-veffels of the cut Branches, did 
in a few ^Days comprefs the Sap-veflels, they 
withal at the fame time contrafting them- 
felves, fo that no Water could enter them : 
And the Cafe is juft the fame here in Animals, 
for Water in many of the foregoing Experi- 
ments, freely palling from Arteries thro’ in- 
numerable Paflages, which were too fine for 
the Blood Globules to enter, does thereby as 
in Vegetables, fo comprefs the extream capil- 
lary Arteries, as to hinder a free Paflage thro’ 
them y and this is further confirmed by the 
Obfervation, Numb. 5 . Exper. XVI. where 
it was obferved, that the larger converging 
capillary Arteries of the Guts were gradually 
more and more comprefT'ed, by the Continu- 
ance of Water Bowing thro’ them. 
6. We may hence alfo with good reafon 
.co;iclude, that the extream capillary Arteries^ 
z are 
