MEMOIR. Xli 



* 



those for 1811, some " Experiments and 

 Observations on Vision ." I have already 

 said that in 1814, my " Essay on Dew" 

 appeared. I formerly omitted to mention 

 that Dr. Darwin attacked in his Zoonomia, 

 what I had said upon giddiness*. I imme- 

 diately answered him in two letters sent 

 to the publisher of the Gentleman's Ma- 

 gazine. I have now referred to, every 

 thing which I have published on philoso- 

 phical subjects. In the second and third 

 volumes of the " Transactions of a Society 

 for the Promotion of Medical and Chi- 

 rurgical Knowledge/' almost every thing 

 that I have published upon medicine is 

 to be found ; but these are so numerous, 

 that I shall not particularize their dates. 

 In 1799, was printed by me, rather than 

 published, for it was never exposed to sale, 

 a " Letter to Lord Kenyon." These writ- 

 ings, as well as I can recollect, are the only 

 ones which ever were printed by me with 



* In the Essay upon Single Vision with two Eyes. 



