296 PHANTASMS PRODUCED BY DISEASE, 



Delirium pre- Sleep is, I think iiiTariably preceded by a diminished 

 cedes seep. power of judgment and the appearance of phantasms. 

 Dreams are '^^® objects of dreams appear to be of the same class, or 

 like the phan- description, as those I had in feTcr. Lik« them they ap- 

 tasms of fever, pg^,. uncontroled by the will for the moment, and resem- 

 ble the objects for sense ; and like them ihcy can be often 

 traced to some preceding thought or incident. Is not a 

 certain degree of debility one of the conditions required 

 for the appearance of these phantasms ? 

 Comparison of The ear is much more an instrument of terror than the 

 ^^h?'''^^ ^^^ ^y^' -'^is^^sed perceptions of sight are more common than 

 tions caused bv^^ose of hearing, and they are in general borne with more 

 disease. tranquillity. A few simple sounds usually constitute the 



amount of what the ear unfaithfully presents ; but when 

 incessant half-articulated whispers, sudden calls, threats, 

 obscure murmurs, and distant tollings are heard, the mind 

 is less disposed to patience and calm philosophy. Instan- 

 ces however are not wanting, in which musical combina- 

 tions of enchanting melody haunt the mind, and occupy 

 the senses of those who are oppressed with indisposition. 

 I will not make this letter longer by apology. Do 

 with it what you please, and I shall continue, 

 A grateful sharer 

 In yoiir labours. 



L. M. 



VIII. 



Earli/ Account of the Bath Waters^ hy John Mayow. 

 Extracted in a Letter from W. R. Clanny, M.D, 

 Hon. Member of the Royal Philos. Soc. at Edinburgh, 

 Senior Physician to the Durham Irijirmary, 



To Mr. Nicholson. 



EING lately much engaged in the interesting study 

 of mineral waters, amongst other books on the subject 1 

 read with much pleasure a scarce work, entitled, '' A 

 Discourse of Bathe, and the Hot Waters there, &c. by 

 Tho. Guidottj M, B. London, 1676." The author has 



inserted 



