86 ENGLISH MEN OF SCIENCE. [CHAP. 



rarely tired. Of mind In early life, any 

 amount, provided the subject was interesting." 



17. "At times, great fatigue has been gone 

 through in connection with my profession. In 

 mind A good deal of continued power of brain- 

 work ; mental fatigue is a sensation not known. 



"Father Very energetic. In mind, remark- 

 ably so. Having been ruined in early life, he 

 articled himself to a solicitor when he was thirty- 

 five years of age ; procured good practice, and 

 wrote [a small technical book] on law. Mother 

 Loved to go through much fatigue. In mind 

 very energetic ; added greatly to the income of 

 her family by her writings." 



18. " Active bodily work an absolute necessity 

 of my being : without it my epigastrium would 

 gnaw itself into fiddle- strings. In mind My 

 scientific works must answer this question [they 

 are very considerable]. 



" Father Decidedly active and energetic ; 

 used to go out fossil-hunting when it was too 

 late to follow his occupation [which involved 



