234 C. J. MARTIN. 
experiments was the same. The pressure fell slowly at first, and 
rapidly at the end of the experiment. With large doses, Experi- 
ments 25, 26, 27, it fell considerably, even during the first ten 
minutes, but with the smaller quantities it remained nearly at the 
normal for the first two hours and then fell rapidly until death. Y 
At the same time the excursions of the style occasioned by each 
beat of the heart were very greatly diminished until they became 
imperceptible. 
Experiment 25—Rabbit, weight 1-3 kilos. 
Time. Blood pressure 
in mm. “a Remarks, 
hrs. mins. secs. mercwu 
Normal | 90 ‘01 gramme of poison per kilo. of Pris: 7 
| injected into peritoneal cavity. 
USO GG ae | 61 
0°25 0 59 
0.35 0 25 
0 40 0 22 
0: 55.0 23 
Oo Sr: | 81 
Bo 628 24, 
bs 536-70 | 13 | dead. 
Experiment 26—Rabbit, weight 1-6 kilos. 
ues 
Time, Blood pressure 
: in mm. of Remarks. 
hrs. mins. secs.) mercury. 
Slrsemigess LS 
Normal 94 | -0075 gramme per kilo. of body weight it- 
jected ‘aks peritoneal cavity. 
G16 4 89 
0-15 '@ 94 
0 30°98 82 
0 45 O 88 
Beat 74, 
1 10 0 50 artificial respiration pegs et i ee sooo 
natural respiration slight 
1 a0. 19 89 vagus beats. 
he. 0 51 
1 20 0 44, artificial respiration s 
Na 1 respiration toe8 epi 
1 30 0 28 artificial respiration suspenders 5 
Natural respiration a 
1 32 0 10 dead. 
