STATISTICS OF OBSERVATIONS. 



95 



Table 23. — Results of observations on the gaseous exchange of infants — Continued. 



[I, Very quiet, probably asleep; II, Slight movements, few in number; III, Some activity, but 

 generally quiet; IV, Moderately active; V, Distinctly active; VI, Very active, most or 

 all of the time.] 



Calculated from the weight of carbon dioxide produced during the period. The preliminary 

 periods for all days are omitted in computing the minimum metabolism. See table 31. p. 142. 

 determined for the time included in the first two and the last two periods. 



