244. 
__ like the {pots of the Moon, the top ‘of thofe Hills are like adith;!orbae . 
MicroGRarHtia. 
bafter., there feeming to be generated in the Earth fromfome fubtéy- 
raneous fires, or heat; great quantities of vapours; that! is, of expan- 
ded aerial fubftances, which not prefently finding a: paflage through the 
ambient parts of the Earth, do, as they are incréafed by thefupplying 
and generating principles, and thereby¢ having not fufficientiroom to 
expand, themlelves.) extreamly condens‘d:,\atJaft overpower; with 
their elafiick properties, the refiftence of the incompafling Earth, ‘and 
lifting it up, or cleaving it, and fo: fhattering of the parts of the'Earth 
above it, do at length, where they find the parts of the Earth abovethem 
more loofe, make their way upwards, and carrying a great part of the 
Earth before them, rot only raife a {mall brim roel about the place,out 
of whichthey break , but for the moft: part confiderable high’Hills and 
Mountains, and when they: break: from under the’ Sea, divers ‘times, 
mountainous) fflands 5 this feems confirm'd by the Vulcans: in feveral 
places of the Earth, the mouths of which, for the moft part) areincom- 
pafied withia Hill of aconfiderable*htight, andthe tops of thofe Hills, 
or Mountains, are ufually thap'd very much like thefe: pits; or dithes, of 
the Moon «' Inftances of 'this'we have inthe defcriptions of Ztva in sx 
ctl, of Heclain Iceland, of Tenerif in the Canaries, of the feverabval- 
cans in New-Spain, delcrib'd: by'Gage, and more efpecially inthe erupti> 
onof late yearsin one of the Cavary I{lands: » In all'‘ofwhich there is: not 
only a'cdnfiderable high Hilt raifed-about the mouth of the Vz/eax, but, 
fon. . And indeed, if -oneattentively confider the nature of the thing, 
| One may find fufficient reafon to judge’, ‘that it cannot be otherwife 5; for 
thefe eruptions, whether of fire, or fmoak;' alwayesrayfing great quan: 
tities of Earth before them;  muft neceflarily; by:the fall of thofe parts 
on eitherfide, raife very confiderable- heaps. Hvwdup 2d bluow Hist 
» Now; both from the “figures of them, and from féveral other: cir- 
cumftahces; thefe: pits inthe Moonfeem to have ‘been’ generated 
much after. the fame manner that ‘the holes inAlabafter, and: the Vals 
caus of the Barth are made. ‘For ‘firfty.itis not improbable, ‘but that 
the fubftance of the!Moon may be! very ‘much like that'of our Earth, 
that is, may confift‘of anearthy, fandy, or: rocky fubftance,'in feveral of 
its fuperficial parts, which parts being agitated; undermin'd; or theav'd 
up, by. €ruptions. of vapours; may’ naturally ‘be thrown into thefame 
kind of figured holes,'as the {mall duft, or powder of Alabafter;| Next; 
itis not improbable, but that there may be'generatéd,!wichin the body 
of the Moon, divers fuch kind of internal’ fires and) heats, asmay pro 
duce fiich Exhalations’ 'for fince we can ‘plainly enough difcover with 4 
Telefeope;:that there ‘are: multitudes of fach’ kind ‘of¢eruptioné im thé 
body of:the Sun itelf;: which is accounted the moft'noble Atheriali bo- 
dy, certainly we need not be much fcandaliz’d:at fueh kind of aleera4 
4 tions, ‘or corruptions, inthe body: of this lower and lef confiderable 
"Ratt of the univerfe, the Moon, which is only fecundary,"or attendant, 
-On-the bigger, ‘arid moreconfiderable body-of theEarth.' ‘Thirdly; tis 
not unlikely, “but that ‘fappofing fuch 'fandy or mouldring fabftance ry 
, ae 
i al i a i a 
