﻿A M 



A 



A. 





63 



All thefe fpecies of Lydium are found in the Ifiand of Jamaica, but feldom ob- 

 ferved in any confiderable maiTes : the firft, and fecond 

 fhores, and may be ufed equally on occafion; th( 



often met with 



the 



fit for all the purpofes of 



ft 



the colour of the former renders 

 The third is the produce of fome 



other country j and has been introduced here, very much in the time of the native 1, 

 dians, who ufed to grind their maze with thofe fmall figured mattes, which 



we 



thunderbolts : It was manufactured in fome part of the 



labouring 



con 



for the 



tinent, and worked into various forms, to fupply thofe people with 

 different occafions of life, while the nature and manufacture of iron was yet un- 

 known to them. The fourth and fifth forts are moft common in the inland parts of 

 the country ; bu£ are not yetobferved to be of any peculiar fervice. 



I 







w 





. 



COS 



Duriffima grifea ferro arenacceo atro-mtenti im 

 pre gnat a . 



The chocolate irones. 









Tho' many manufactured pieces of this ftone are 

 could never meet with any of the kind in the rude, 

 fon, I was induced to look upon them as the pro 

 of the neighbouring continent, 



found 



every part of Jamaica, I 



al ftate ; for which rea- 



and formation of fome par 



where chocolate had been formerly in ufe, which 



have been introduced here from time to 



ke the thunderbolt ftone) for 



manufacture, and oeconomical preparations of that feed ; as this was for the ufe of 

 *heir maize : The ftone is very hard, and o£. acoarfe granulated texture intermixed 



with a finer fhining black quartz, or fandy 

 does not yield to any of the acids. 



It gives fire readily with fteel, and 





\ 



f. 



TP 



COS 



• 



2. Granulata gi rat His. \ 3. "Mi c ac c a gr anulat a fijfih 

 The grinding ftone. 



The Briftol, or paving ftone 



Both thefe fpecies are imported here from England. The fir ft is much in ufe 

 every plan 



wh 



too 



made ufe of 



the other is fometimes im 



ported for the ufe of churches, and other large building 







ICJ 













f 4 . Subcinerea mifcela fpaic mixta 



The mixed fparry Cos. 



5. Subjufca granulata, durijjima. 

 The hard dark granulated Cos 



6* £>uartzofa granulata, rugoji 





A 



I 



COS 



The fparry granulated and mixed Co 



• 



ufeflenti rnixtq? 



? 



« 



7. Subcinerea Jpato-mixta & divifc 



The Afh-coloured Cos, with fparry particle 



partition' 



and 





!l 



I 

 L 



8. Arenofa dura fubfufco-gnfea. 

 The hard and fandy dark Cos 



9. Purpurea [pat maxime mixta, 





The purple Cos 



Thefe 





are the moft common forts of grain-ftones I have obierved in Jamaica j but 

 they have not yet difcovered any regular quarry of either of them : they are generally 

 found in detached mafTes of different iizes. 



■ 



COS 





10. 



1 



Soli di ufe ula porofa aquam tranf mittens* 

 The percolating ftone, or the porous fandy 



This ftone is frequently introduced here, in the manufactured ftate ; and found 

 to be very beneficial to the inhabitants of the lower lands, as it ferves to cool, as 



well 









• 



# 



* 



