SUMMARY OF RESULTS OF PREVIOUS OBSERVATIONS. 



23 



experiments on horizontal plane. 



6 Values given by Durig (loc. cit., pp. 248 and 261). Figures for treadmill experiments were 

 corrected by Durig for angle of ascent. 



'Experiments conducted at Berlin. Experiments conducted at Col d'Olen. 



9 A11 heat values calculated by Durig (loc. cit., p. 270). 



10 Corrected by authors for slight elevation of treadmill. Values for load experiments may be 

 found on pages 247, 255, and 278 of the original publication, but not corrected for angle of ascent 



n Experiments conducted at Vienna. 



12 Not given by authors; these weights were accordingly computed from other data which had 

 been obtained by means of the body weight. "Experiments conducted at Capanna Margherita. 



