{)igO PHILOSOPHICAL TRANSACTIONS. [aNNO 1693. 



Colrain and 3 1 miles to the east of the mouth of the river Derry. The coast 

 there is very high above the sea, but rising gradually on the land side to the 

 edge of the precipice, it is all covered with an excellent sweet grass ; when you 

 come to the precipice, there is no going down, being so perpendicularly steep, 

 but with much labour and some hazard it may be climbed up. By other ways 

 and windings one comes down to the Strand ; in which, from the foot of this 

 precipice, there runs out northward, into the main ocean, a raised causeway of 

 about 80 feet broad, and about 20 feet high above the rest of the strand ; its 

 sides are perpendicular, and it went on above 200 feet into the sea ; that is, it was 

 so far in view; but it does not advance much farther under the superficies of 

 the water. This whole causeway consists all of pillars of perpendicular cylinders, 

 hexagons and pentagons, of 18 or 20 inches diameter, but so justly fitted to 

 each other, that nothing thicker than a knife will enter between the sides of the 

 pillars. The pillars do not consist of joints, but each cylinder is one solid 

 piece, only indeed in breaking it breaks cross-wise or horizontally, and not 

 lengthwise, which we commonly call splitting ; and it is by its thus breaking, 

 that the texture of the middle of the causeway is discovered ; for pieces have 

 been broken from many of the cylinders that are in the middle, by which one 

 sees so deep the perpendicular sides and edges of the circumjacent columns. 



That the pillars do not consist of joints, is manifest from this, that the 

 pieces so broken off, have their bottoms as often convex or concave as flat and 

 even ; and many such pieces lie loose on the shore, which the sea has washed 

 down from it. When one walks on the sand below it, the side of this causeway 

 has its face all in angles, the several columns having some two, some three of 

 their sides open to view. The high precipice consists all of pillars ; though 

 some shorter and some longer, and all the stones that one sees on that coast, 

 whether single or in clusters, or that rise up any where out of the sand, are all 

 columns though of ever so different angles; for there are also four squared 

 on the same shore. This causeway runs out into the Northern Ocean, having 

 no land over against it any where. 



Account of a Storm of Thunder, Lightning, and Hail at Oundle in Northamp- 

 tonshire, the 20lh of March, 1692-3. By Mr. W. R. N" 1 99, p. 7 10. 



A considerable storm of hail, thunder, and lightning, which set fire to the 

 steeple of Oundle, but was soon extinguished again. 



ipastnuch M the narrator states that the pillars do not consist of joints but are of one entire piece^ 

 and calls them cylinders wiih angles adding that some of them are 4 squared; of which sort of 

 figures Iff: Mplyneax asserts, that there is not one to be met with. 



