354 Messrs. G. A. Buckmaster and J. A. Gardner. [Aug. 19, 



Table III — continued. 



Intervals of 

 time during 

 which 



was counted, 

 in minutes. 



Aueesthetic. 



Frequency 

 of 



respiration. 



Average 

 depth of 

 respiration. 



Total 

 ventilation, 

 in c c. 



Eemarks. 



1 -o 

 1 -o 

 l'O 

 1-0 



1 -o 



l'O 



1 -o 

 1 -o 

 1 -o 

 1 -o 

 1 -o 

 1 -o 



CHC1 3 2 per cent. 



37 

 43 

 35 

 30 

 22 



35 



38 



25 

 35 

 36 

 37 



26 -03 

 26 -44 

 25 -07 

 25 21 

 19 -45 



28 -77 



21 -65 

 not recorded 

 15 3 



13 -4 

 9-18 



14 -5 



863 

 1137 

 878 

 856 

 428 



1007 



843 



384 

 469] 

 691 [ 

 537 J 



Held breath during 



Held breath for a 

 short interval dur- 

 ing this minute. 



Irregular respiration. 

 Very irregular 

 respiration. 



1 -o 

 l'O 











Pew irregular gasps. 

 Died. 



Experiment 4.— Showing the effect of^ per cent, of chloroform following a 

 deep and rapid respiration, but not so deep as in fig. 3. Cessation of 

 respiration at the end of 1\ mins. from commencement of inhalation, and 

 subsequent recovery (fig. 4) : — 



Depth of respiration, 1 division = 2'28 c.c. ; time intervals, 15 sees. |, 3 per cent, 

 chloroform on. 



