Association of American Greologists and Naturalists. 167 
capping the whole at least of the northern region is objectionable 
from the utter extinction of life, especially of molluscous animals, 
which does not appear to have been the case, as there is an un- 
interrupted or unbroken series from the eocene to the present. 
Resolved, That a committee of three or more be appointed, 
each to make a distinct report on the subject of drift. 
Prof. Emmons, Prof. Wm. B. Rogers, Mr. Vanuxem, Mr. 
Nicollet, and Dr. Jackson, were appointed on the above com- 
mittee. 
Resolved, That all committees which have not eels this 
year, be instructed to report at the next meeting. 
Resolved, That a committee of one be appointed to inquire 
through all available sources in regard to the influence of ice- 
bergs on drift. Mr. Couthouy was pS on the above com- 
mittee. 
_ Prof. Locke read a paper on the sainlaats earthworks of Ohio. 
A discussion followed some remarks of the chairman (Dr. Mor- 
ton) on this subject, between Prof. Locke, Mr. Nicollet, Dr. 
King, Mr. Haldeman, Prof. Silliman, Prof. Hitchcock, and Prof. 
Bailey. Mr. Nicollet related several observations relative to the 
manners and customs of the Indians, made during a long resi- 
dence in their country, having a bearing on the construction and 
age of these mounds. 
Resolved, That acommittee be appointed to examine and re- 
port on the subject of western mounds. The follomigiananr 
ieuaneremipeniod on this committee. 
- Prof. sont Mr. Nicollet, Mr. John H. Bikes Dr. Enget 
Adjusted to Thocniaj-at 2, A.M, the aRamnoon baling appro- 
priated to the delivery of an address before the Boston Society of 
Natural History, by the chairman of this Association. 
. Thursday, April 28th, 9 o’clock, A. M.—The Association met 
neabedliny to adjournment, Prof. Silliman in the chair. Pro- 
ceedings of the former meetings were read and accepted. 
Resolved, That Mr. John L. Hayes be added to the commit- 
tee on the subject of icebergs, and that he be requested to pre- 
pare a separate report. 
The po reported an article relative to amend- 
ments of the ogame acbicht; wees ,adopted naar 
constitution. 
