9 o THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
II. 750 mgrms. CHC1 ; per Litre of Modified Ringer's Solution 
(CHC/j in -075 per cent, dilution) 
No. of Heart 
Quantity of 
CHC1., solution 
perfused 
Duration of 
flow 
A. beat 
V. beat 
Recovery 
Heart 22 : — 
Obs. 1 ... 
56 c.c. 
50 sees. 
Stopped 
Stopped 
Full. A. begins in 30 
sees. ; V. begins in 1 
min. 40 sees. 
Obs. 2 ... 
78 c.c. 
1 min. 5 sees. 
do. 
do. 
Full. A. begins within 
35 sees. ; V. begins 
within 1 min. 40 sees. 
Obs. 3 ... 
308 c.c. 
3 nuns. 
20 sees. 
do. 
do. 
Full. A. begins in 1 
min. 25 sees. ; V. be- 
gins about 1 min. 
Obs. 4 ... 
555 cc. 
5 mins. 
5 sees. 
do. 
Stopped finally 
Full, in A. begins in 2 
mins. 15 sees. 
Heart 24 : — 
Obs. 4 ... 
40 c.c. 
1 min. 
Stopped within 
30 sees. 
Stopped within 
30 sees, finally 
Full in A. ; V. shows 
fibrillar contractions 
only 
Obs. 5 ... 
190 c.c. 
3 mins. 
1 5 sees. 
do. 
Almost full in A., fibril- 
lar contractions in V. 
Obs. 6 ... 
940 c.c. 
20 mins. 
do. 
As before 
Heart 25 : — 
Obs. 1 ... 
60 c.c. 
1 min. 
Stopped 
Stopped 
Full 
Obs. 2 ... 
70 c.c. 
1 mm . 
do. 
do. 
do. 
Ohs 1 
? 
5 7 sees. 
do. 
do. 
do. 
Obs. 4 ... 
7-5 c - c - 
I min. 5 sees. 
do. 
do. 
do. 
Obs. 5 ... 
280 c.c. 
3 mins. 
do. 
do. 
do. 
Obs. 6 ... 
440 c.c. 
5 mins. to 
6 mins. 
do. 
do. 
do. 
Obs 7 ... 
470 c.c. 
About 
9 mins. 
do. 
Stopped finally 
Slight, after 15 mins. 
