FORMULAS 287 



Weight of Both Kidneys on Body Weight (Hatai, '13) 



Weight of both kidneys {sexes combined) = 

 0.00718 {Bd. ivt. - 3) + 0.132 log {Bd. wt. - 3) - 0.009 (17) 

 Formula (17) was used for table 145. 



Weight of Liver on Body Weight (Hatai, '13) 



Weight of liver {sexes combined) = 



0.0303 {Bd. wt. + 5) + 3.340 log {Bd. wt. + 5) - 3.896 (18) 



[Bd. wt. > 10] 



Formula (18) was used for obtaining the values given in 

 table 145 for body weights of 10 grams or above. For body 

 weights below 10 grams the weights have been determined by 

 graphic interpolation^ — using the crude records as a basis. 



Weight of Spleen on Body Weight (Hatai, '13) 



Weight of spleen {sexes combined) = 



0.00245 Bd. wt. + 0.0301 log {Bd. wt.) - 0.025 (19) 



Formula (19) was used for table 145 



Weight of Both Lungs on Body Weight (Hatai, '13) 



Weight of both lungs {sexes combined) = 



0.00471 {Bd. wt. + 2) + 0.122 log {Bd. wt. + 2) - 0.056 (20) 

 Formula (20) was used for table 146. 



Volume of the Blood on Body Weight (Chisolm, '11) and Hatai (ms '14) 



Bd wt ^-^ 

 Blood volume {sexes combined) = — ~y — = 0.099 {Bd.wt)'^-^ (21) 



[5 < Bd. wt. < 150] 



