CARBONIC ACID AND VENTILATION. 



95 



Table C. — Beats of the Pulse. Five Persons in the 

 Chamber. Observations every 5 minutes. 



A. 



E. 



C. 



D. 



E. 



60 



78 



84 



70 



73 



60 



70 



90 



70 



72 



59 



76 



90 



75 



72 



7a 



74 



91 



74 



70 



70 



74 



89 



74 



72 



79 



77 



91 



71 



74 



74 



81 



89 



70 



71 



7« 



79 



«7 



74 



68 



73 



76 



89 



76 



70 



70 



70 



90 



73 



72 



74 



72 



89 



72 



71 



70 



71 



89 



72 



70 



66 



73 



88 



73 



72 



66 



74 



88 



72 



70 



69 



73 



86 



71 



69 



70 



70 



«5 



71 



70 



73 



70 



86 



70 



69 



66 



68 



89 



68 



68 



63 



74 



84 



74 



73 



61 



75 



85 



74 



73 



Temp. 



To begin 



After 5 minutes 

 10 



15 



20 



25 



30 



35 

 40 



45 

 50 

 55 

 60 



65 



70 



75 



80 



coming out 5 minutes. 



3 hours 



68° F. 



72° F. 



Number of Respirations. 



Normal 



After 33 minutes 



" 58 



On coming out after 5 minutes 



20 



15^ 



22 



20 



20 



24 



i6i 



^5 



20 



^5, 



23 



17 



^5 



22 



24^ 



20 



16 



23 



X9 



21 



^/ifer 5 minutes. 

 Organic matter not pleasant. 



After 15 minutes. 



A. Pulse stronger and quicker. 



B. Irregular pulse^ but strong. 



C. Weaker, and already difficult to feel, 



D. Same to the feeling. 



E. Much weaker. 



After 25 minutes. 



A. Stronger. 



B. Irregular. 



C. Irregular and weak. 



D. Irregular. 



