﻿OF THE 



Cincinnati Society of Natural History, 



Vol. VII. Cincinnati, October, 1884. No. 3. 



PROCEEDINGS OF THE SOCIETY. 



Tuesday, July 1, 1884. 



President Hunt presiding. Sixteen members present. 

 S. F. Trounstine and Reuben H. Warder were proposed for active mem- 

 bership. , 



The Minufes of the preceding (April) business meeting were read and 

 approved. 



The Minutes of the Executive Board for April, May and June were then 

 read. 



Dr. Walter A. Dun read a paper on " Recent Floods in the Ohio 

 River." The paper described the physical conditions necessary to a de- 

 structive flood, and stated that forests had but little influence in changing 

 these conditions. The height of the water in the river at Cincinnati dur- 

 ing remarkable floods from the earliest records to the present year was 

 given. 



Dr. Langdon asked if the measurements were all reduced to one standard, 

 viz.: the Water Works' mark. 



Dr. Dun replied that the figures for years subsequent to 1832 were 

 taken from the records of the Water Works Office. 



The paper was referred for publication. 



Mr. Chas. Dury read some notes on new Coleoptera collected in the vi- 

 cinity of Cincinnati. 



Mr. Dury's paper was also referred to the Publishing Committee. 



Prof. J. F. James made some remarks upon certain markings on the 

 rocks of the lower silurian which have been referred to seaweeds. Some 

 of these he was confident were made by the movement of crinoid stems; 

 over the soft mud. The occurrence of the trails of annelids and markings 



