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54 



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P. 



II. 



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Of the native Foffils of T a m a i c a. 



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T. 



0/* Waters 









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HOUGH this Ifland in general be very mountainous, and 



i 1 

 y wh 



ere rai 



fed 



above the level of the fea ; no part of the world can be better fupplied 



with water : but it is not reafonable to expect that it fhould be often pure, 



where the action of the fun is fo great -, and the foil, in every part, impregnated with 



faline 



metalic fubftances 





I fhall divide the waters of this Iiland in general, 



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following clafTc 



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Such as are charged more or lefs with 



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particles. Of th 



fort I find mod of the fpring and well waters, efpecially thofe in,„ and about King 



on 





which I have always obferved to have a further admixture of fome faline par- 

 ticles : thefe, however, of the neighbouring marfhes feem to be better than the reft, 

 and to fpring from a higher fource $ they are generally lefs charged with the marine 

 fait, not fo heavy in their nature, and much better fupplied with air. The fprings in the 

 other parts of the Ifland are much of the fame nature, but generally more impregnated 

 with calcarious earth ; efpecially on the north fide, where iricruftations and ftalactites 



are fo frequent. ^| ^ -> 



The river waters are alfo of this kind, and every where remarkable for the quan- 



of terrene matter with which they are charged, or impregnated 



they 



be expected to be found otherwife, where the rapidity of their motion, and conflant 

 warmth, help mutually to charge them with every foreign matter that happens 

 to lie in their way ; I do not, however, think them to be impregnated fo much with 

 metalic particles as we commonly fuppofe ; for I have tried thofe of Spanijh-tcwn 

 river with a large admixture of fpirit of fait amoniac, to little purpofe j and from 

 thence conclude, that its purging quality proceeds rather from the clay, with 

 which it is fo copioufly charged : and this I am the more induced to think. i°. Be- 



cause it lofes this quality when fettled 



cleared of its load ; which would hardly 



be the cafe, if it did proceed from the falts, or folution of metals 

 ny other waters of the fame appearance, have the like qualith 

 pected to be any ways impregnated with metalic fubftances. 



Becaufe ma 



though not fuf 



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f~s 







harged with the falts and particles of vegetables, as well as ter- 



r* , , . -'; . * t * k ' 



II°. Such as 



le fubftances. , . 



All the ftagnating waters of 'Jamaica are 



muc 



i 



of tl 



• f 



lis 



ged with the more minute parts (a) of aquatic 



with a numberlefs feries of animalcule 



fmall infects 



nature ; and notf' J on]y 

 but abound likewife 

 feed upon the diluted 



particles of thofe vegetables. They are as much as pofiible excluded from all 

 oeconomic ufes, and indeed defervedly ; for they are generally obferved to be both 



heavy and unwholefome. 



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Such as are charged with faline particles 



III 



There are but few faline waters in J\ 



(a) See our Account of the Pift 



thofe that proceed immed 



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