14(> DATEiVPORT ACADEMY OF NATUKAI. SCIENCES. 



rjuite desirable to secure all we can before the oppoi'tunity is gone. 

 Respectfully submitting the above report, I wish to express my 

 most sincere thanks to the Academy for the kind assistance they 

 have always given me, and especially duiing the past year. 



J. Gass. 



December Sd, 1880. — Geological Section. 



Prof. W. H. Barris in the chair. Three members present. 



Prof. Barris gave an interesting account of his explorations during 

 the past summer in the vicinity of Alpena, Mich., and presented about 

 thii'ty species of Devonian fossils gathered there. He also spoke of 

 several new species of fossils recently discovered in this vicinity. 



f 



December 17th, 1880. — Archjeologicai, Section. 



W. H. Pratt in the chair. Four members present. 

 Plans were discussed for obtaining data for maps and charts of the 

 mounds of Iowa and Illinois. 



Deckjcbkr 31st, 1880. — Regular Meeting. 



The President, Mr. W. H. Pratt, in the chair. Seven members 

 present. 



Article III, Sections 1 and 2, of the By-Laws of the Academy, were 

 amended, so as to read as follows : 



tSerfum I. Every regular member-elect shall pay to the Treasurer au- ini- 

 tiation fee of Ave dollars ($5.00), and the assessment for tlip remaining- por- 

 tion of the current year. 



Section II. Every regular member shall be subject to an annual assess- 

 ment of two dollars ($2.00), payable to the Treasurer on the first day of .Jan- 

 narj- of each year. 



Dr. E. Schlegel, Mr. N. V. Kuhnen, Mr. Louis Hanssen, and Mr. 

 Herman Lerchen were elected regular members. Mr. James W. 

 Christopher, New York ; Mr. James Bannister, New York ; Prof. A. 

 J. Cook, Lansing, Mich. ; Prof. A. R. Grote, New Brighton, N. Y. ; 

 and Mr. Daniel Swiney, Ramelton, Ireland, were elected correspond- 

 ing members. 



The following papers were read : 



