ILLUSTRATIONS 



Two of my Favourites .... * Frontispiece 

 1771. After Gainsborough . . . ~ . Facing page 3 



1803. After Reinagle ..*.-. ,, 7 



1835. After Sidney Cooper .. . ' . ,, u 



One of the Best , 19 



Heredity: Father, Mother, and Son . .' . ,, 31 



Natural Variability : Litter Brothers . . . 35 



One Month Old . . . . . ... 41 



Two Months Old . . , . . . ,, 43 



Three Months Old ....... 45 



Four Months Old ...... 47 



Five Months Old . . . . . . 49 



Six Months Old . . , ... " . . . 50 



At Home . . . ' _ . . ,, 53 



At Exercise . . . - . .' . . 58 



At Ease 61 



