t04 THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
XVII. 33 mgrms. CHC1 3 per Litre of Locke's Fluid 
(CHC/j in '0033 per cent, dilution) 
No. ot Heart 
Quantity of 
CHC1., solu- 
tion perfused 
Duration of 
flow 
A. beat reduced by 
V. beat reduced by 
Recovery 
Heart 46 : — 
Obs. 1 ... 
7 C c c 
I in ins. 
3 2 sees. 
3 1 per cen t. 
34 per cent. 
Full 
Obs. 2 ... 
86 c.c. 
2 nuns. 
20 sees. 
65 per cent. 
57 per cen t . 
do. 
Obs. 3 ... 
1 50 c.c. 
4 mins. 
38 sees. 
7 I per cent. 
61 per cent. 
do. 
Obs. 4 ... 
70 c.c. 
2 mins. 
55 sees. 
80 per cent. 
63 per cent. 
do. 
Obs. 5 ... 
84 c.c. 
3 mins. 
1 5 sees. 
75 per cent. 
56 per cent. 
do. 
Obs. 6 ... 
365 c.c. 
1 3 mins. 
10 sees. 
67 per cent. ^ 33 per 
cent. 
63 per cent. ^ 34 per 
cent. 
do. 
Average reduction, A. beat by 64 - 8 3 per cent. ; V. beat by 5 5 - 66 per cent. 
XVIII. 30 mgrms. CHC1 ; per Litre of Locke's Fluid 
(CHC/j in "003 per cent, dilution) 
No. of Heart 
Quantity of 
CHC1., solution 
perfused 
Duration of 
flow 
A. beat reduced by 
V. beat reduced by 
Recovery 
Heart 50 : — 
Obs. 1 ... 
Obs. 2 ... 
Obs. 3 ... 
92 c.c. 
i min. 
3 3 sees. 
Not recorded 
30 per cent. 
Full 
? 
1 m i n . 
57 sees. 
do. 
3 5 per cent. 
do. 
145 c.c. 
2 mins. 
55 sees. 
do. 
58 per cent. 
do. 
Heart § 1 : — 
Obs. 1 ... 
Obs. 2 ... 
Obs. 3 ... 
47 c.c. 
2 mins. 
38 per cent. 
24 per cent. 
do. 
29 c.c. 
1 min. 
20 sees 
59 per cent. 
49 per cent. 
do. 
50 c.c. 
2 mins. 
58 per cent. 
26 per cent. 
do. 
Average reduction, Heart 50 : V. beat, 3 observations, 41 per cent. 
,, „ Heart 51: 3 observations, A. beat 51-6 per cent. ; V. beat 33 per cent. 
Mean reduction in two hearts, V. beat 37 per cent. 
