liUNGS- — BLOOD 



213 



graph in chart 36 and the values in table 146 were determined by 

 formula (20). No sex difference has been noted but the graph 

 is based on male data alone. Hatai ('13); Jackson ('13). 



2,5 



Chart 36 Showing the weight of lungs of the male albino rat according to 

 body weight. The observed weights are represented by 90 male rats. Table 

 146, formula (20). • Observed weight. Calculated weight. 



' Chart 37 Giving weight of total blood on body weight. Males, females. 

 Formulas (22), (22 a), and (22 b), table 146. 



Weight of the total blood on body weight. Technic: The ob- 

 servations on this relation were made by Chisolm '11 on Albinos 

 and pied rats. His methods are given in the paper cited above 

 (pp. 207-208) and depend on determinations of the oxygen 

 capacity. Chisolm's formulas have been revised by Hatai 



