166 Journal of the Asiatic Society of Bengal. [N.S., XVIII, 
© urine excreted) can have reached the intertubular plexus, much less 
g ruli its fluid s i i 
sure of the Ww 
normally eromene se eR like excess of fluid pressure, to admixture of 
the renal afferent et with the arterial fluid and a consequent 
change in the urine print ted. 
ry 

In the last experiment K, Fe (CN), was altogether 
absent in the renal arteries: in this experiment I decided to add 
IT and i id as 
e on p. 21 he NaH,PO, 
stituent) in this experiment instead - 0° vee saline, ‘the “dire 
perfusion fluids were made up as follow 
Aortic fluid = Ringer + 0-05% urea, 0° i 6250, ferro., 0:01% KI. 
* 46” = Ringer +0:0765% urea, 0°00958 % ferro. , 0°0153% 
60" ,, = Ringer+0- We urea, 0° oa ferro., 0°02% KI. 
The cannulae were the same as those e ast ——— 
the aortic bottle pressure ‘bette 24 ¢ ee. re that of the r.a 
bottles at first 6 cms. Heart cut out and two r.a.V. cu 
behin ulae. Experiment set going at a with the 
aortic perfusion fluid in both aorta and ra 
a vag se eae Put Ist pair tubes from 9-10-9- on 
inr 
ee cir. 0°2 e.c. (15 m.) 
ax 9-30 T bwariat the two r. a.v. 5 ems. to oer a 
better flow somes and put 2nd pair tubes toni 930-10 
TIL +TIR = 16 c.c. (60 m.)=* 30” u 
— peed 452¢.c.) _ re 
9-30-10°30 L.r 7 oe — ee 
re 116 e tSWws 
At 10°32 I substituted «« 46” wicks in the two’ r.a.v. bottles 
and restarted perfusion at 10-37. I put 3rd pair ne og from 
fe hee fluid. -40-10°55. 
a.v. 
ae +IIR = cir. 0-1 ¢.c. (15 m. ) [N.E.] 
Put 4th pair ex spree 11-0-1- 
IVL+IVR = 20 m mye ** 46” urine. 
( ; rapes persed in Gc. <4. 9 
11°0-1-0 1 ve 198 ¢.c. 2 {* ] 
208 flows. 
lat 12-0 1 wae the. two r.a.v, bettas to 5:5 cms. J 
At 131 substituted “60” fluid in the two r.a.v. bottles rate 
re-started r.a.v. perfusion at 1:8. I put sth. pair tubes fro 
60” fluid 1'30-3°30. 
in r.a.v. 
VL+VR =1-2c.c. (120 m.) = * 60” urine 
(4. $80 Lrav. ,  I6lee. | =54: 1 ) 
167 <.c;4, SOME. 
ey 1301 had ionared the two r.a.v. bottles to 
5 ems. and at 2°10 to 4:5 ems. J 
Marea ite 
os ae ee 
pete Segue 25 Ly Cain Bis eae aad ea ad 
“anmee el  e 
ie 


