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PHYSIOLOGICAL ACTION OF VENOM OF BLACK SNAKE, 
Experiment 17—Dog, 
229 
weight 7 kilos., ‘1 gramme morphia 
hypodermically ; ether during the operation. 
Remarks. 
cord severed at level of 3 3.d cervi vical ve vertubra. 
‘00005 gramme per kilo. injected into jugular 
vein. 
Time. Blood pressure} 
in mm. of 
hrs. mins, secs.| mercury. 
Normal 127 
ao 68 
oS 80 54 
[i one Seed) 47 
oe CO 41 
Oo hs. iO 34 
0-10: 0 40 
O° Ss 6 45 
0 20 O 48 
0 30 O 56 
0 45 O 57 
sae ee 44 
oe ae 38 
1 30 0 33 
1 40 0 26 
© 80-0 22 
hi he 0 13 dead 
(5) EZuperiments on rabbits, vagi intact ; 
without artificial 
respiration. 
Experiment 18—Rabbit, weight 1 kilogramme ; ether during 
Operation. 
i 
Time, Blood pressure 
tre a in mm. of 
. Mins, secs, mercury. 
Normal 107 
0 0 30 "0 
Oe ae 29 
At i 2 sina: | 
ing Operation. 
Rear ga OE 
Remarks. 
00006 kilo. of body weight 
mjectad Mats extort jugular vein. In- 
jection lasted 30 seconds. 
intravascular clotting. 
dead 
Remarks. 
Time Riaaa pressure 
hrs. mings, secs, ‘Wire : 
Normal 105 
0 0 30 
83 
Sa 0 49 
e820 53 
ay 69 
> a 
00004 gramme per kilo. injected in jugular 
vein. Injection lasted 30 seconds. 
intravascular clotting. " 
dead wf ee ee ee 
