i 709 ) 
he was there told, it did not advance much farther, un- 
der the Superficies of the Water. This whole Cauhvay 
confifts'all of Pillars of perpendicular Cylinders, Hexa- 
gooes and Pentagones, of about 18 and 20 Inches Di- 
ameter, but fbjuftly (hot one by another, that not any 
thing thicker than a Knife will enter between the fides of 
the Pillars. The Pillars do not confift of Joints, as you. 
were informed, but each Cylinder is one folid piece, on- 
ly indeed in breaking it breaks crofs-wife or Horizontal- 
ly, and not length wife, which we commonly call fplit- 
ting and it is by its thus breaking, that the Texture of 
the middle of the Caui-way is diicovered ; for pieces 
have been broken from many of the Cylinders that 
are in the middle, (pieces of unequal lengths) where- 
by one fees (fo deep) the perpendicular fides and edges 
of the circumjacent Cylinders. [Pardon the Impropri- 
ety *of die Word.] 
That the Cylinders do not confift of Joints,is manifeft 
from this, that the pieces fo broken off, have their bot* 
tomsas often convex or concave as fiat and even and 
many fuch pieces there are lying loofe upon the Sand of 
! the Shore, which the Sea has wafhed down from it. 
When one walks upon the Sand below it, the fide of this* 
Caufway has its Face all in Angles, the feveral Cylinders, 
having feme two, fome three or cheir fides open to view,. 
This Gentleman, tho' he had no Notion q{ .Aflroites^ yet. 
believes them, all to be natural, becaufe there is no other. 
I fort of Stone or Rock there.: Nay, that very vaft high. 
Precipice does confift all of Cylinders * tho' fome Sort- 
er and fome longer (whereby y ou may now underfland; 
1 it not impoffibie to climb it up, as by fteps, tho 3 irre- 
gular ones) and all the Stones that one fees on that Coaft. 
whether (Ingle or inClufters r or that rife up any where; 
out of the Sand> are all Cylinders, tho of never To dif- 
ferent Angles f for there are alio four-fquared, upon the. 
I lame Shore! This Caufway runs out into the Northern 
