V 



PROCEEDINGS 



OF THE 



DAVENPORT ACADEMY 



OF 



NATURAL SCIENCES. 



VOLUME II— PART 11. 



JULV, ISTT-DKCEMBEi:, 1S78. 



DAVENPORT. IOWA: 



PUBLISHKD BY J. D- PUTNAM. 

 March, 1880. 



g.\zette c0mp.4ny. printers. 



