590 



PHYSIOLOGICAL CHEMISTRY 



FIG. 179. RAT CAGE FOR NUTRITION EXPERIMENTS, SHOWING INDIVIDUAL PARTS. As 



USED BY OSBORNE AND MENDEL. 



(Ferry: Journal of Laboratory and Clinical Medicine, 5, 735, 1920.) 



FIG. 1 80. RAT CAGE FOR NUTRITION EXPERIMENTS, ASSEMBLED. As USED BY OSBORNE 



AND MENDEL. 

 (Ferry: Journal of Laboratory and Clinical Medicine, 5, 735, 1920.) 



