﻿o 



J A 



M 



Th 



fort of Sp 



very clear, and found formed 



fize, in the mountains of St. Anne's ; wh 



65 



rocks, of a prodigious 



• 



it 



obferved to conftitute whole 



ftrata : Thefe rocks fplit very eafily in all directions, particularly the perpendicular j 

 and the fragments, of which it feems compofed, are ftriated in a longitudinal direc- 

 tion. When it is expofed any time to the weather, the furface grows opake, and of 



milky wh 



- 



i 



- M 



f4. Confufe cryjl alii zat urn y cry ft alii s truncatis fubereflis 



adnatis fubaq 



SP ATUM 



I 



< 



The 



cryftalline Spar, with confufed, and truncated 

 fragments. 



5. Confufe cryftallizatuni) cryftallis deformibus. 

 The diaphanous Spar, with deformed cryftal 



6. Subcryjlallinum confufum. 



The confufed fubcryftailine Spar. 





Thefe laft fp 



ibund in fmall detached ma/Jes 



pretty common in mod parts of yamaica, and generally 







MARMOR 



I. Lafieum variis concretum. 

 The whitifh baftard marble 



* 





This ftone is very much debafed, and frequently confounded with 





the room of which it is often ufed 



7 



ime-ftone 

 It is very common, and indeed 



the principal fort of ftone in moft of thofe lower mountains, to the eaftward of 



Kingft 



on 



mining, or glofly 



It has a fmooth even grain, and bears a good polifh, but is feldom very 



■ 



CALCITARIUM 



Subcinereum fpatofum. 



The whitifh fparry lime-ftone, or calcitory 



Cinereum textura fubequali . 



The even grained calcitory. 

 I 3, Subrubellumfpatojum. 

 L The fparry calcitory, with a flefhy caft. 



I 1 



Thefe are the common appearances of the lime-ftones of that country, which we 

 have generally obferved to conftitute the principal part of its rocky hills : the firft, and 

 iecond fort, are the moft common in the fouthern parts of the Iiland ; but the other, 



,. is more frequent on the north- fide. 



with equal eafe, 





which is more fonorous. and uneven in its form 



Thev 



more or lefs, of a granulated appearance, and yield 



both to the fire, and the acid. They are burned to lime in every part of the Iiland, 

 where fuch a manufacture is necefTary ; but it is not thought to be fharp enough for 

 the boiling houfe : this, however, muft be a miftake, or owing to fome neglect either 

 in burning, or cafking the lime ; for the ftone, in general, is not only kind, but hard 

 enough to take and hold a great deal of heat, the moft effential quality of good 



lime 





SIMPLEXIA 



Albida flruftura fitbequaHs. 



The fofter fine grained free-ftone. 

 Albafubequalis, cryftallis minutifjimh acutis reft 

 The fofter white free-ftone of St. Tlomais. 

 Levi or nivea parti cu lis arenojis confertis. 

 The light fandy free-ftone of Bermudas* 



- . 



Tl 



two flrft fpecies are natives of Ji 



and anfwer 



iy 



in all 



manner of buildings : the firft is found in a large quarry near St. Anne's Bay ; the othei 

 in the parifh of St. Thomas's in the Eafl : but the third fort is a native of Bermudas 

 and frequently imported here for buildings ; it is more poreous, and lefs coheiive 



than either of 



othe 



but 



imported at a very cheap 



ery light, it anfwers beft in the work 



nd 



T 



SECT 



> 



* 



i 



