$si PERIODS OF DISEASES. SECT, xxxvr. 



fie&ed with fblar influence, returning at nearly the 

 fame hour for weeks together, unlefs difturbed by 

 the exhibition of powerful dofes of opium. 



So the periods of Tuflis ferina, or viokrit cough 

 with flow pulfe, called nervou's cough, recurs by fo- 

 lar periods. Five grains of opium given at the time 

 the cough commenced di fturbed the period, from 

 feven in the evening to eleven, at which time it re- 

 gularly returned for fome days, during 'which time 

 the opium was gradually omitted. Then 120 drops 

 of laudanum were given an hour before the accefs 

 of the cough, and it totally ceafed. The laudanum 

 was continued a fortnight, and then gradually dif- 

 continued. 



10. The periods: of herrricranra, and of painful 

 epilepfy, are liable to obey lunar periods, both in ; 

 their diurnal returns, and in their greater periods of 

 weeks, but are a4fo induced by other exciting 

 caufes, 



ir. The periods of arterial haemorrhages feem ta 

 return at folar periods about the fame hour of the 

 evening or morning. Perhaps the venous haemorr- 

 hages obey the lunar periods, as the catamenia, and 

 haemorrhoids. 



12. The periods of the haemorrhoids, or piles, 

 in fome fecur monthly, in others only at the greater 

 lunar influence about the equinoxes. 



13-. The periods of hsemoptoe fomefimes obey 

 folar influence, recurring early in the morning for 

 feveral days; and fomettmes lanar periods, recur- 

 ring monthly ; and fometimes depend on our hours 

 of fleep.' See Clafs I. 2, i. 9. 



14. Many of the fifft periods of epileprtic fits obey 

 the monthly lunation with fome degree of accuracy; 

 others recur only at the mod powerful lunations 

 before the vernal equinox, and after the autumnal 

 one ; but when the conftitution has gained a habit 



of 



