Granger on Zanesville Slate. 5 



countries, that it would easily be mistaken for them. It is' 

 not named or alluded to in Mr. Dickson's paper, and it re- 

 mains for him to inform the Arnerican public whether it it 

 a nativ^e specimen, and if so, from \yhat locality. 



Art. II. — JYotice of vegetable impressions on the RocAs 

 connected with the Coal formation of ZanesviUe, Ohio, 

 in a letter to the Editor, from Ebenezer Granger, 

 Esq. dated August 18, 1820. 



[For the drawings see the plate at the end of this Number.] 



Sir, 



C. B. GoDDARB, Esq. will deliver you a small box con- 

 taining drawings, and specimens of vegetable impressions, 

 collected by Mr. Wra. A. Adams and myself from the rocks 

 of this vicinity. 



Ill health, will prevent me from giving a very particular 

 description of the situation in which they are found. 



This whole region, you are aware, is composed of secon- 

 dary rocks. The hills run about two hundred feet above 

 the bed of the Muskingum river, which has evidently cut its 

 channel from their summits ; as have all the other rivers and 

 streams in this country— the tops of the hills from Lake 

 Erie to the Ohio, probably being the remains of a once 

 tolerably level plain. The drawings and specimens are 

 marked and numbered agreeably to the order of the strata 

 in which they were found beginning with the lowest. A. No. 1 . 

 (drawing,) and No. 2. (drawing, and speciiRen) from the bed 

 of the river. This stratum is two or three feet in thickness, 

 and contains many shells, it also contains many holes, and 

 resembles in some measure in appearance a large body of 

 cast iron — resting on this is a stratum of bituminous shale, 

 two or three feet in thickness, full of indistinct impressions, 

 over which is found a species of iron stone, from which are 

 Taken the specimens marked B. 



From this were taken drawing No. 1, of a fan-shaped 

 leaf twenty inches in length, by twelve in width at top — 

 parts of the leaf may be seen on specimen No. 2 and 3 — 

 No. 4, 5 and 6, are from the same. The last we suppose 

 to be a fern Wc havo a very fine and perfect specimen of 



