THE 



AMERICAN 

 JOURNAL OF SCIENCE, &c. 



GEOLOGY, MINERALOGY, &c. 



Art. 1. — Notice of a Rocking Stone in Warwick, R* L 

 Providence, September, 20th 1823. 

 Prof. Silliman, Sir, 



IT has given me some satisfaction to become acquainted 

 with the particulars which Mr. Moore has given us in the 

 last number of your Journal, respecting the Durham Rock- 

 ing Stone. It is true, as he intimates, that there are but 

 few rocks of this kind as yet known in our country; still, as 

 curiosity is continually increasing, and the votaries of geo- 

 logical science daily becoming more numerous, it will not 

 be long, it is believed, before they will be found to exist 

 here in considerable numbers. I have recently visited one 

 which is found in this State, and from it? interesting charac- 

 ter, have been induced to forward to you a description of it, 

 together with a drawing by Mr. Moses Partridge. 



It is in the town of Warvi^ick, about two hundred yards 

 south-west of the village of Apponaug, and twelve miles in 

 the same direction from Providence. In form, it resem- 

 bles a turtle, although it is convex on the bottom and some- 

 what concave on the top. It is about ten feet in length, six 

 in breadth, and two in thickness. It reposes upon another 

 rock, which rises a kw feet above ground, touching it in two 

 points — the one under A, the other under B.* Uponthese 

 points it is so exactly poised, that it moves with the gentlest 



*'Fis, 1, Plate 1. 



Vol. VII.— No. 2. 26 



