452 



C. R. BARDEEN 



TABLE 7 

 Proportional heart weight at various ages as reported by several investigators 



Birth... 



I mo 



2-3 mo... 

 4-6 mo. 



7-9 mo... 

 10-11 mo 



lyr.... 



2 yrs... 



3 yrs. . . 



4 yrs.. . 



5 yrs... 



6 yrs.. . 



7 yrs.. . 



8 yrs... 



9 yrs.. . 

 10 yrs.. . 



II yrs... 



12 yrs... 



13 yrs... 



14 yrs.. . 



15 yrs.. . 



IG yrs... 



17 yrs... 



18 yrs.. . 



19 yrs... 



20 yrs. . . 



OBSERVER 



Boyd 



Male 



15 



46 



27 



21 



18 





.648 

 .594 



.605 



.516 



736 

 662 



.676 



634 



.699 



Female 



24 



40 



20 



17 



15 



572 

 651 



716 



,628 



.711 

 .716 



592 



.706 



.762 



Thoma 



-o-S 



03 O 



0.625 



0.444 



0.412 



0.422 

 0.417 



0.40 

 0.382 



0.383 

 0.392 

 0.402 

 0.417 

 0.433 



0.452 

 0.474 

 0.481 

 0.490 

 0.500 



0.481 

 0.471 

 0.474 

 0.474 

 0.476 



Miiller 



Male 



34 



34 



16 



15 



Female Male 



H. Vierordt 



0.62 14 

 0.64 47 



0.58 



0.60 



0.62 



0.58 



0.62 



0.63 

 0.63 



9 0.60 



23 



0.55 



52 0.61 



32 



42 



0.60 



0.62 



19 0.59 



18 



10 



13 



0.56 



0.55 



0.50 



62 0.76 

 70.51 



Female 



59 0.80 

 120.49 



30 0.48 33 0.38 

 28|o. 38^26 0.36 



2910.40 18,0.29 

 0.41 6^0.44 

 0.46 180.42 



0.47 

 0.52 



32 0.53 

 240.51 



7 0.48 

 180.47 



0.44 

 0.46 

 0.51 



12!0.52 

 l|0.34 



8 0.50 

 80.58 



9 0.48 



0.51 

 0.51 

 0.46 

 23'0.51 

 150.51 



52 0.53 

 37 0.50 



18 0.55 

 30|0.55 



17|0.56 

 6|0.48 



ll|o.58 

 4 0.62 

 3 0.54 



5I0.47 



■ l|0.40 



2j0.46 



8 0.50 



110.65 



10 0.63 

 160.52 

 25 0.49 

 15 0.53 

 30,0 48 



E. Kress 



Male 



3 0.66 

 2 0.83 



0.68 

 0.67 



7 0.64 

 60.54 

 40.59 



12 0.60 

 10 0.58 



Female 



0.89 



0.65 

 0.64 



9 0.65 

 50.67 

 7[0.58 



4'o.60 

 7i0.61 



100.64 80.61 

 8O.54I 70.60 



0.65 

 0.61 

 0.80 

 0.65 

 0.60 



2'0.49 



0.^63 

 0.61 

 0.62 



710.64 

 50.64 



2 0.66 

 2 0.58 



0.60 



0.54 

 0.60 

 0.52 



