178 Journal of the Asiatic Society of Bengal. [N.S., XVIII, 
ff 
= ea which means that the fluid: Rakrousn? in the 
renal venous meshwork must be nor ery low ; 
(2) a fluid of Snel Osmotic pressure in ea r.a.V. in- 
creases the of flow through the renal arteries 
and the rate of output of urine (and percentage of 
ghlveide ?)—vide Part I.1 
To consider the ct mamta er may be drawn from the results of 
the ete g te periments. irst, as regards t xt eg Phew 
of urine excreted respectively (1) ie kidneys with the renal a eins 
intact, and (2) by kidneys with the venous es ut ot, 
er 
in 1,168 minutes; or, in other words, with a veno ous Penn the kidneys 
excreted at the rate of 35°69 c.c. in = 168 minutes, and, with this venous 
the preceding ten peel ont only four ice. 4-7) were comme enced 
with the veins closed, hence the above comparison must be qualified by 
this consideration —a qualification which makes otcbvord that the rates 
‘et er th dition 
tory activity of the kidney in sulphate diuresis”’ is my. Cone ot 
(though T should omit the “ ghar erg § ”) and agrees 6 with ‘ie conclusion 
ed i pe te 

he aor 
performed especially for the paves the ili bei mater gatured Vand 
all — taken to avoid leakage. This ‘ae experiment also showed 
a be 
res 
Sie of a venous “‘ supply” of fluid of an osmotic — of 
46 as ¢ He with the osmotic strength of 30 of the renal artery 
fluid do not affect the flow of flu id thro ough the teteceabutar gir and 
therefore the output of urine, yet changes in the osmotic pressure of the 

' Conclusion (1) is founded upon this and two other — experi- 
ments; conclusion (2 based upon the results of at least a dozen 
exporiments with different perfusing fluids (some recorded in oncteat e8 C) 
