176 



COMPARISONS OF RESPIRATORY EXCHANGE. 



TABLE 27 Respiratory exchange in comparison experiments with mouth-breathing and 

 nose-breathingBenedict respiration apparatus (tension-equalizer unit}. (Without 

 food. ) Continued. 



Subject, date, method, 

 and time. 



T. M. C. Continued. 

 Nov. 14, 1910 Continued 

 Mouthpiece: 



Il h 59 m a. m 



12 25 p. m 



12 51 p. m 



Average 



H. F. T. 

 June 27, 1911: 



Pneumatic nosepieces: 



8 h 57 a. m 170 



9 45 a. m 178 



10 46 a. m 160 



11 41 a. m 167 



Average 169 



Mouthpiece: 



l h Ol m p. m 190 



1 50 p.m 175 



2 56 p.m 175 



. Average 180 



Sept. 8, 1911: 



Pneumatic nosepieces: 



8 h 51 m a. m 168 



9 24 a. m 154 



9 57 a. m 156 



Average 159 



Mouthpiece: 



Il h 12 m a. m 163 



11 34 a. m 166 



11 56 a. m 152 



12 23 p. m 144 



Average 156 



Sept. 9, 1911: 

 Mouthpiece: 



8 h 50 m a. m 17 



9 15 a. m 157 



9 50 a. m 162 



10 22 a. m 164 



Average 165 



Pneumatic nosepieces: 



Il h 21 m a. m 159 



11 46 a. m 148 



12 16 p. m 152 



Average 153 



K. H. A. 

 Sept. 23, 1911: 



Pneumatic nosepieces: 

 8 h 50" a. m ..... 



9 19 a. m 



9 48 a. m 



10 14 a. m 



Average 



Carbon 



dioxide 



eliminated 



per minute. 



c.c. 

 194 

 174 

 171 



180 



206 

 196 

 206 

 193 

 200 



Oxygen 

 absorbed 

 per minute. 



c.c. 



187 

 185 

 183 

 186 



199 

 198 

 209 

 198 

 201 



203 

 196 

 201 



200 



176 

 176 

 176 

 176 



176 



184 

 176 

 181 

 179 



192 

 207 

 195 

 190 

 196 



177 

 185 



187 



264 

 242 

 258 

 248 

 253 



tory 

 quotient. 



1.040 



0.940 



.930 



.975 



.855 

 .900 

 .765 

 .845 

 .840 



.935 

 .895 

 .870 

 .900 



.955 

 .875 

 .890 

 .905 



.925 

 .900 

 .865 

 .795 

 .870 



.915 

 .760 

 .835 

 .865 



.840 



.805 

 .835 

 .820 



.780 

 .810 



.780 

 .790 



Averag e 

 pulse- 

 rate. 



75.0 

 76.5 

 76.0 



76.0 



49.0 

 47.5 

 46.5 

 47.5 



47.5 



45.0 



46.5 

 47.0 

 46.0 



44.5 

 42.5 

 42.5 

 43. 



42.0 

 42.0 

 42.0 

 43.0 



42.5 



45.0 

 47.0 

 46.5 

 .47.0 



46.6 



47.0 

 47.0 

 47.5 

 47.0 



58.0 

 53.5 

 55.0 

 54.0 

 65.0 



Average 

 respira- 

 tion- 

 rate. 



15.4 

 15.5 

 13.9 

 14.9 



11.4 

 11.4 

 11.3 

 11.3 



11.4 



15.1 

 15.1 



12.8 

 14-3 



8.9 

 8.4 

 8.6 



10.6 

 10.0 

 10.5 

 10.0 

 10. 3 



11.0 

 9.9 

 10.9 

 10.2 

 10.6 



10.1 

 10.1 

 10.5 



10.2 



14.8 

 14.6 

 14.8 

 14.8 

 14. 8 



