100 ENGLISH MEN OF SCIENCE. [CHAP. 



have excellent or very good health, a second 

 quarter have good or fair, a third have had 

 good health since they attained manhood, and 

 only one quarter make complaints or reservations. 

 Here are two examples of excellent health in 

 which some details are given : 1. " Only absent 

 from professional duties two days in thirty years ; 

 only two headaches in my life." The next is 

 from a correspondent who is between 70 and 80 

 years of age. 2. " Never ill for more than two 

 or three days except with neuralgia ; no surgical 

 operations except inoculation, drawing of one 

 tooth, and cutting of corns." 1 



I may add a characteristic biographical extract 

 from the Times, Oct. 31, 1873, relating to the 

 late Sir Henry Holland, who was on my list : 

 " Certain it is, as all who have fallen in with 

 him by sea or land will attest, that he might 

 be seen in all climates, in the Arctic Regions 

 or the Tropics, on the Prairies or the Pyramids, 



1 I read this at my lecture at the Koyal Institution. 

 It was from the pen of the geologist, Professor Phillips ; 

 a few days afterwards, he was killed by a fall down stairs 

 at Oxford! 



