Correlation and Variation in the Toad 



585 



Decigrams 3 



c? = 5 

 9 = 



4 567 8 9 10 n 12 13 14 15 

 7 21 43 39 36 10 75 



5 6 13 16 24 26 31 34 27 28 18 13 3 



Fig. 2 Weightof both gastrocnemii. 



17 18 19 20 

 2231 



Grams .65 1.25 1.85 2.45 3.05 3.65 4.25 4.85 

 •95 I-5S 2-15 2-75 3-35 3-95 4-55 

 6" = II 18 41 29 41 17 10 2 4 

 9 = 7 9 i8 30 39 39 34 32 15 13 7 3 3 21 



Fig. 3 Weight of hver. 



