184 Journal of the Asiatic Society of Bengal. {N.S., XVII, 
ware a neglected to ascertain ue exact chloride strength of the 
ing fluid in this experim 
Queenie — a ‘Strengths (Mohr method d). 
Ist 20 cms. e (15 c.c¢ 20 m.) Aree 5202 gm. in 1 c.c. 
Ist 30 cms. urine (1-7 c.c. in 60 m.) = 0-005950 gm. ,, Pe 
Ist 40 ems. urine (1°9 c.c. in 60 m.) = 0006154 ZMc,; 
2? 
Thus increase of pressure in the arterial fluid increases the chloride 
strength of the urine—a conclusion I have confirmed in many other 
exper 
imen 
Ps AP. Sircar in all cases estimated for me the chloride strengths. 
Increase of pressure in the Post-Caval Vein ( Exp. Ser. P.C.I.P.}. 
geomet 1 (for nitrogen stren ngths of urine). pein fluid 
and ¢ ceding can- 
experiment = 0 cm pressu i ed he set going at 8°45. 
0 cm, 0-15 10°15 465 Te = 1956. c. (60 m,) = ** 0 em. urine.” 
[ fe renal artery rate of perfusion = 76 c.c. per 30 
ia heart cannula rate of outflow = 71 c.e. Pee 
30 minutes. 
I then raised the end of the heart cannula tubing to 2°5 cms. 
above the level of the heart, at which height the escaping fluid 
dropped into a measuring tube. 
25 ems. 10°30—11-°0 TIL +IIR = 1-4 ¢.c. (39 m. ) = ‘‘ 2-5 ems. urine.’ 
‘ renal ey rate of ean we = 94 c.c. per 30 
mi inute 
- heart te rate of outflow = 82 c.c. per ot 
minutes. 
i At 11:2 I raised the heart cannula pays toiec 
50 ems. 11°15-12-15 IIL + IMIR 1-0 c.c. (60 m.) =* ay 0 cms. Papoaet 
Ss renal artery rate of perfusion = = 115°5 e.c. per 
30 minut 
na ane cannula rate of outflow = 59 c.c. per oe 90 
utes 
At 12°17 I raised ‘the hear cannula tubing to 7-5 em 
7'5ems. 12°30-2-30 IV + IVR = 1°35 cc. (120 m.) = 7-5 oms. 
see 
( =e renal artery rate of perfusion = 131 c.c. (!) per 
30 i 
| hea: saneuel rate of outflow =nil (!) a 
postal the aortic tae @ as lost by extravasation or by 
rupture of a vein under the fap pressure in the post-@aval. 
i * 5 ae 
em. 2°45-2-30 VL + = two small drops (45 m.) : 
+i renal artery rate of perfusion = 167 c. c. per a 
min 
| ” hear cannula rate of outflow = 125 c.c. per 30 
[ he leakage balay ‘the results of the previous high pressure. 
N a a 
**0 cm. amgpen = = 0-0001 126 
** 25 cms. ed = 0001 3; gm. 
** 50 a FP °» 0000110 gm. 


