APPENDIX. 291 



*' is not abfolutely local, none is to be expelled ; 

 " where it is, and leated in any part, not to be 

 *' well come at for extirpation, I think it is hardly 

 " to be imagined, but that the having it fucked 

 " clean as often as you pleafe, muft give great 

 " relief. Every body knows, that dogs licking of 

 *' fores cures them, which is, I fuppofe, chiefly by 

 ** keeping them clean. If there is any credit to be 

 " given to hiftory, poifons have been fucked out, 



Pallentia Vulnera lamhit 



Ore Venena trahens. 



" are the words of Lucan on the occafion : if the 

 " people to- whom thefe words are applied, did 

 *' their cure by immediately following the injedion 

 *' of the poifon, the local confinement of another 

 *' poifon brings the cafe to a great degree of fimi- 

 " larity. 



" I hope I have not tired your lordfhip with my 

 •' long tale, as it is a true one, and in my appre- 

 " henfion a curious piece of natural hiftory, I could 

 " not forbear communicating it to you. I own I 

 *' thought the ftory in the papers to be an inven- 

 *' tion, and when I confidered the inftindive prin- 

 *' cipie in all animals of felf prefervation, I was 

 *' confirmed in my difbelief ; but what I have re- 

 " lated I faw, and all theory mufl; yield to fa6l. 

 *' It is only the Rubeta^ the land toad, which has 

 " the property of fucking j I cannot find any the 



Cc4 "left 



