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456 



MEDICINE ANP MEDICAL STATISTICS. [Sect. XIV. 



extraneous to the ship, tliey r^m^ if possible, should be 

 described, as well as the manner in which the men were 

 expo&ed to their influence. The treatment of the disease 

 will naturally rivet the attention to the symptoms ; these 

 again should lead to a more practically useful nosography 

 than is generally adopted ; the disease being placed under 



one of the three following distinctive heads, viz., con 



tinned, remittent, or intermittent. This, however, should 

 it be deemed of importance, need not prevent the annexa- 

 tion of any other qualifying distinction, such as bilious, 

 ardent, or yellow ; but to reconcile the conflicting opinions 

 which the writings of discrepant authors have called into 

 existence respecting tropical fever, proof of the absence or 

 presence of remissions^ in some of its worst forms, may 

 still be considered necessary. 



3 long as there is a British squadron on the sea, 

 yellow-fever, as it is called, must claim a large share of 

 attention ; and as it is seldom brought to these shores, he 



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who 



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encountere it on its own domain, profiting by the 

 occasion, will do well, while it is under his eye, to examine 

 carefully into its origin and character. "When it occurs 



pidemic its source should be looked for, its course 

 traced, and its disappearance noted ; and whether yellow 

 suffusion be present in all the cases, or only in part of 

 them, whether, when black vomit occurs, the disease seems 



to acquire generally a greater degree of virulence, and 



whether, in consequence of such aggravation, marked by 

 deep yellow suifusion, dark-coloured blood, hr^morrhage, 

 and, in the fatal cases, black vomit, it has assumed contagi- 

 ous properties. If the fever has commenced in a ship at sea. 



it will be in vain^ as already noticed, to attempt coming 



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