102 DR. R. ANGUS SMITH — PHYSIOLOGICAL EFFECTS OF 



With 0*5 per cent. Carbonic Acid. 



False. 



76 , 



After 5 minutes 76 



„ 10 , 76 



». 15 " 75 



,7 20 .. 73 



,. 25 •. 71 



» 30 71 ■ 



» 35 .. 71 



,, 40 •••• 71 



Inspirations. 

 17 



24 



^i^A 0*25 per cent, of Carbonic Acid. 



Pulse. Inspirations. 



70 



After 5 minutes 72 



,. 10 73 



» 15 » 7a 



„ 20 „ 70 



., 25 i> 69 



» 30 » 69 



17 



»9 



Here a disturbance is seen at once, more fully in the 

 breathing. Owing to the mode of draining the reservoir 

 of air breathed, it would not have been fair to proceed 

 further. 



With 0* I per cent, of Carbonic Acid. 



Pulse. 



73 •• 

 After 5 minutes 72 



10 



15 

 20 



a5 

 30 

 35 

 40 



45 



73 



73 

 72 



71 

 72 



73 

 73 

 72 



Inspirations. 

 18 



19 



19 



19 



7a'4 1875 



Here there is a disturbance perceptible of two on the 



