INFLUENCE IN THE FEVEUS OF INDIA, &C. 13 



The periodical fluctuation in the state and ap- 

 pearance of eruptions, sores, and ulcers in this 

 country, being always connected with the periodi- 

 cal changes of a concomitant fever, an attention 

 to these will be no less instructive than to those of 

 the urine; and if the periodical changes of each 

 were regularly and accurately delineated and ex- 

 pressed in colours with a pencil, by a judicious and 

 careful observer, they would form a record in me- 

 dicine and surgery of a new kind ; which I have 

 no doubt, would place the whole of this doctrine 

 upon the basis of ocular demonstration, and afford 

 to the most incredulous and inattentive perfect con- 

 viction of its truth. 



IV. Deviations from the prevailing tendencies ofVE- 

 VERS during the periods of the Springs and Neaps. 



Although the general theorem, which I have ad- 

 vanced in the preceding pages, describe the pre- 

 vailing tendencies of fevers during the springs and 

 neaps, it is necessary to observe, that those ten- 

 dencies are liable to frequent and remarkable devia- 

 tions from the various stao-es that the moon mav 

 happen to occupy on her own orbit; by which her 

 distance from the earth may be considerably in- 

 creased or diminished; and consequently her power. 



From observations lately made at the General 

 Hospital at Calcutta by Air. James Howison, Doc- 

 tor John Campbell, and Doctor John Fullar- 

 TON, it appeared that the moon during the period 

 of her greatest horizontal parallaxes had sufficient 

 power to suspend, in a very conspicuous manner, 

 the common tendency of the neaps to produce a re- 

 mission of fever. And when the greatest horizon- 

 tal parallaxes happen to coincide with the power 

 *of sol-lunar influence during the springs, we may 



