292 GROWTH OF PARTS AND ORGANS 



Weight of both suprarenals (male) = 



0J3000855 (Bd. wt. + 3) + 0.0113 log (Bd. wt. + 3) - 0.0093 (37) 



Formula (37) is also used for the female up to 30 gms. in body 

 weight, then 



Weight of both suprarenals (female} = 



0.00023 Bd. wt. + 0.00388 log (Bd. wt.} - 0.002 (38) 

 [Bd. wt. > 30] 



Formulas (37) and (38) were used for table 146 in accordance 

 with the restrictions indicated. 



WEIGHT OF THYROID ON BODY WEIGHT (HATAI, '13) 



Weight of thyroid (sexes combined) = 



0.0000973 (Bd.wt. +27) +0.0139 log (Bd.wt. +27) -0.0226 (39) 

 Formula (39) was used for table 146. 



WEIGHT OF NITROGEN ON BODY WEIGHT (HATAI, '05) 



To determine the amount of nitrogen eliminated by the rat 

 during twenty-four hours at different body weights. 



x,..^t.) 2.33 + &XlogBd.wt.) (40) 



where N = total nitrogen in milligrams and Bd. wt. = body 

 weight in grams. 



Formula (40) is based on the data in table 99. 



GROUP I. ALBINOS 

 SECOND DIVISION: FORMULAS BASED ON AGE 

 BODY WEIGHT ON AGE FROM 10-365 DAYS, HATAI (MS '14) 



The formulas (41) (42) (43) (44) apply only the series of data 

 published by Donaldson, Dunn and Watson, ('06). 



