MINUTES OF MEETINGS. 161 



Marcellus and Genessee slates of New York. Several of 

 these exist in the Lake, one of them about a quarter of a 

 mile East of the end of the pier at Cleveland, one in the 

 bed of the Cuyahoga Kiver near the mouth of Big Creek, 

 Brooklyn, another not far East of the mouth of Chagrin 

 River, in the Lake, and also one in Grand River, between 

 Painesville and Fairport. 



Prof. Kirtland stated that there is one in Rocky River, at 

 Col. Mastick's Mill Dam, and another out in the Lake, about 

 two miles, nearly opposite East Rockport. The former is 

 double, part being on the land. 



H. F. Smead stated that there is one in Willoughby, on 

 Col. Hastings' farm, on the banks of Chagrin River. The 

 gas escapes by numerous small holes in the rock and burns 

 readily when set on fire. 



All these, Col. Whittlesey stated, occurred in the same 

 formation as that at Fredonia, N. Y., by which the town is 

 lighted. 



Prof. Kirtland stated that the Hickory Shad — Chatcessus 

 ellipticus— is now very plentiful in the Lake. A few years 

 ago it was unknown in these waters, but has doubtless 

 reached the Lake through the Ohio Canal. It is not many 

 years since the first specimen of this fish appeared in the 

 upper portion of the Ohio River. 



At the present time, in the fish pounds, near Cleveland, 

 are captured great numbers of White Fish — Coregonus alhus 

 Leseur — and Lake Herring — C. Artedi, or clupiformis. 

 All were captured coming from the West, their run being 

 East, and nearly all of the females have deposited their 

 spawn. Our summer fishes are now scarce, having doubt- 

 less left for the deeper waters of the Lake. 



Mr. Kirkpatrick remarked that he had never been able 

 to obtain a specimen agreeing with the characters of Core- 

 u 



