CONTENTS. 



PACK 



Constitution and By-Laws of the Cincinnati Society of Xatural History. 1 



Proeeedi ngs of the Society 7 



North American Mesozoic and Csenozoic Geology and PaUieontology, 



by S. A. Miller 



Some Notes on American Land Shells, by Prof. A. G. Wetherby 33 



Arclia'ological Explorations near Madisonville, Ohio 40 



Annual Report of the Treasurer of the Cincinnati Society of Natural 



History, for the year ending April 1, 1880 68 



Terms : $2 00 per volume ; single i^umter, 60 cents. 



