ON CLINTON CONGLOMERATES AND WAVE MARKS 
ENG OLTO PAIN D KEIN Keyes 
WITH A RESUME OF OUR KNOWLEDGE OF SIMILAR OCCURRENCES 
IN OTHER SILURIAN STRATA OF THESE STATES, AND THEIR 
EVIDENCE UPON PROBABLE LAND CONDITIONS. 
CONTENTS. 
Pebbles and wave marks in the Oneida, Medina and Clinton Groups. 
Observations by the Kentucky Survey. 
Oneida. 
Medina. 
Clinton. @. Crab Orchard shales. 
6. Clinton proper. 
Observations by Dr. John Locke. 
Clinton, near West Union. 
Observations by the writer in Ohio, Medina, Clinton, and Dayton. 
At Todd’s Fork. 
Farmer’s Station. 
Sharpsville. 
Rocky Fork. 
Belfast and vicinity. 
I. The William Haigh farm section. 
II. The J. V. D. Smart farm sections. 
III. Bridge exposure, near Belfast. 
Elk Run. 
Ellenville Section. 
Peebles Station. 
Remarks on some formations above the Clinton. 
Observations by the Kentucky Survey. 
Niagara shale. 
Heavy beds of Niagara. 
Oriskany. 
Corniferous. 
Black Slate. 
Unconformities in Kentucky. 
Observations made by the Ohio Survey and the writer. 
Springfield limestone, near Peebles; the writer. 
Water lime. 
Corniferous. 
Hillsboro sandstone. 
General conclusion. 
A brief résumé of the more important facts regarding the geographical dis- 
tribution of wave marks and pebbles. 
Conclusions to be drawn from wave marks and pebbles as to the existence 
of land areas in Lower Silurian and Clinton times. 
™ Continued from Vol. III., No. 1, p 50. 
169 
