NEUROSES. 331 



which these powers are exercised ; and have accordingly ar- 

 ranged them under the four orders of Comata, Adynamia?, 

 Spasmi, and Vesanice, to be defined as we proceed to treat of 

 them more particularly. 



" With regard to the class, I have only to add that the term 

 Neuroses is new, and I do not vouch for its propriety ; but when 

 I have given the meaning, it answers my purpose with you. 



" We have to premise no general theory of the class ; for the 

 several orders have no foundation in one common affection, as 

 in the case of the pyrexiae. They are united only by their seat 

 in one part of the system, and upon the presumption that sense 

 and motion are the affections of the same part." 



BOOK I. 



OF COMATA, OR OF THE LOSS OF VOLUN- 

 TARY MOTION. 



MXCIII. Under this title are comprehended those affec- 

 tions which have been commonly called the Soporose diseases ; 

 but they are most properly distinguished by their consisting in 

 some interruption or suppression of the powers of sense and 

 voluntary motion, or of what are called the animal functions. 

 These are indeed usually suspended in the time of natural 

 sleep : But, of all the diseases to be comprehended under our 

 title, sleep, or even the appearance of it, is not constantly a 

 symptom. Of such diseases, I can mark and properly explain 

 two genera only, which come under the titles of Apoplexy and 

 Palsy. 



CHAP. I. OF APOPLEXY. 



MXCIV. Apoplexy is that disease in which the whole of 

 the external and internal senses, and the whole of the voluntary 



