8 



A RESPIRATION CALORIMETER. 



and 185 cm. high. The eastern exposure affords direct sunlight until 

 about the middle of the morning. After that time the direct light 

 does not enter, but the room is excellently lighted and the walls and 

 ceiling are painted white to aid in the distribution of the light. 



OBSERVERS 



,_..TAJ3LE 



AlCOVC. 



ALCOVt 



Fio. i. -General Plan of the Respiration Calorimeter Laboratory. 



