CARBONIC ACID AND V?)NTILATION. 



I per cent, of Carbonic Acid. 



Pulsations. 

 68. 



After 5 minutes 68. 



„ 12 to 68,70,70,70,69,70. 



„ 22 to 70,70. 



„ 30 to 68,68,66. 



„ 34 to 65,65,66,66,66. 



„ 42 to 67,68. 



„ 51 to 66, 66. 



„ 60 .. 64,63,63,63,63,63,63. 



99 



66 19 



65 20 



64 20 



63 21, pulse very weak. 



2 per cent. Carbonic Acid. 



Pulse. Inspirations. 



18 



After 5 minutes 64 19 



„ 10 



.. 15 

 „ 20 



,, as 



» 30 



» 35 



» 40 



.. 45 



., 5° 



.. 55 



„ 60 



» 65 



» 70 



62 



63 

 64 

 63 

 62 

 60 

 61 

 60 

 60 



21 

 2k 

 21} 



22 



22J 



23 



23 



23i 



23i 



2 minutes after coming out 68. 



Here the pulse was very much affected even in the number 

 of beats, but the effect was observed principally in its great 

 weakness : it sometimes tried to recover its number, but 

 this was not observed to take place with regard to the 

 strength. 



3 per cent. Carbonic Acid. 



Pulse. Inspirations. 



67 17 



After 10 minutes 67 21 Acidity perceptible 



„ 15 , 65 21 to the smell. 



„ 20 „ 63 22^ 



„ ^7 .. 62 23 



h3 



