140 



COMPARISONS OF RESPIRATORY EXCHANGE. 



Table 19. — Respiratory exchange in comparison experiments with the Zuntz-Geppert apparatus 

 and the Benedict respiration apparatus {spirometer unit). {Without food.)— -Continued. 



Subject, date, method, 

 and time. 



x -^ 



.2 * 



s a 



o 



K m G 



*» CI 

 03 aj 



.M O 



ij 



-2ci* 



gs-3 

 > 



Composition of 

 expired air. 



Carbon 

 dioxide. 



Oxygen. 



' H. B. L — Continued. 

 Feb. 20, 1912 — Continued 

 Zuntz-Geppert : 



10 h 14 m a. m 



10 49 a. m 



11 28 a. m 



Average 



Feb. 21, 1912 1 1 

 Zuntz-Geppert : 



12 h 49™ p. m 



2 08 p. m 



3 29 p. m 



4 23 p. m 



Average 



Spirometer unit: 



l h 28 m p. m 



2 35 p. m 



2 55 p. m 



3 54 p. m 



Average 



Feb. 28, 1912 : 2 



Spirometer unit: 



2 h 37 m p. m 



3 44 p. m 



4 44 p. m 



Average 



Zuntz-Geppert: 



3 h 13 m p. m . . . . . 



4 17 p. m 



Average 



ex. 



179 

 183 

 191 



184 



171 

 177 

 160 

 189 

 174 



197 

 201 

 184 

 191 

 1 93 



180 

 185 

 191 



185 



181 



186 

 184 



c.c. 

 226 

 231 

 229 



229 

 229 

 202 

 237 



237 



0.790 

 795 

 830 



805 



.745 



.775 

 .790 

 .800 

 .775 



.830 



241 



229 



.795 



.810 



.785 



236 

 283 



229 

 233 



.810 

 .795 



.785 

 .800 

 .795 



62.5 

 65.5 

 64.0 

 64.0 



59.5 

 63.0 

 66.0 

 67.5 

 64.0 



63.5 

 59.5 

 61.0 

 64.0 



62.0 



63.0 

 64.0 

 66.0 

 64.5 



63.5 

 67.0 



65.5 



12.9 

 13.5 

 13.3 



13.2 



13.7 

 15.0 

 16.7 

 14.5 

 15.0 



14.0 



14.8 

 15.4 

 15.5 



14-9 



15. " 

 15.6 

 15.4 

 15.5 



14.6 

 15.6 

 15.0 



liters. 

 4.73 

 4.78 

 5.09 

 4.87 



4.68 

 4.67 

 4.93 

 5.33 

 4-90 



5.46 



c.c. 



5.60 

 5.58 



5.24 

 5.39 

 5.53 

 5.39 



5.03 

 5.04 



5.04 



M. B. 



Feb. 22, 1912: 



Spirometer unit: 

 8 h 26 m a. m . 

 9 24 a. m . 



. 180 

 163 

 Average 172 



Zuntz-Geppert: 

 9 h 02 m a. m . 

 9 55 a. m . 

 Average 



Feb. 27, 1912: 



Zuntz-Geppert : 



8 h 28 m a. m . 



9 50 a. m . 



10 41 a. m. 



Average 



Spirometer unit : 

 9 h 07 m a. m . 

 11 09 a. m. 

 Average 



167 

 169 



168 



184 

 202 

 179 

 188 



184 

 170 



177 



229 

 205 



217 



206 

 202 



213 



228 

 212 

 218 



224 

 176 



200 



.785 

 .795 

 .790 



.810 

 .815 

 .815 



.865 

 .890 

 .845 

 .860 



.820 

 .965 



.885 



60.5 

 57.5 

 59.0 



59.5 

 58.0 

 59.0 



64.0 

 65.0 

 62.0 

 63.5 



62.5 

 61.0 

 62.0 



14.8 

 18.1 

 16.6 



13.3 

 14.1 



13.7 



13.7 

 16.0 

 14.5 



14.7 



15.5 

 12.6 

 14.1 



5.08 

 4.45 



4.77 



4.33 

 3.98 

 4. 16 



4.44 

 5.24 

 4.61 



4-76 



4.70 

 4.30 

 4.50 



427 



458 

 443 



411 



374 

 354 

 445 



396 



473 



439 



456 



413 

 421 

 437 



414 



388 

 401 



431 

 308 



370 



407 

 352 



875 



398 

 401 

 390 



396 



378 

 424 

 401 



p. ct. 

 3.81 

 3.85 

 3.78 

 3.81 



3.68 

 3.82 

 3.27 

 3.58 

 8.59 



3.62 

 3.72 



3.67 



3.89 

 4.18 

 4.04 



4.17 

 3.89 

 3.90 



8.99 



p.ct. 

 16.37 

 16.33 

 16.59 



16. 43 



16.31 

 16.27 

 17.02 

 16.69 

 16.57 



16.58 

 16.51 

 16.55 



16.36 

 16.05 



16.21 



16.28 

 16.70 

 16.50 

 16. 49 



Subject had light breakfast. 



2 Subject had light breakfast about 7 a. m. 



