CONTENTS. 



PAGE 



Proceedings of the Society 159 



Xote to the Paper " On the Tongue (Lingua) of some Hymenoptera,'' 



by V. T, Chambers IGl 



Description of a New Family and Genus of Lower Silurian Crustacea, 

 by A. G. Wetherby (the plates referred to in this article will be 



found in the number for April, 1879) 102 



A Revised List of Cincinnati Birds, by Frank W. Langdon 1G7 



Report of Committee on Geological Nomenclature 193 



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