• > ^ '^ .v\. 



CONTENTS. 



Page. 

 Description of a New Genus and some New Species of Bryozoans 



from the Cincinnati Group, by E. O. Ulrich 119 



Description of a Trilobite from the Niagara Group of Indiana, by 



E, O. Ulrich 131 



Descriptions of Nevv Species of Crinoids, from the Kaskiskia Group 



of the Subcarboniferous, by A. G. Wetherby . . i;J4 



North American Mesozoic and Cuenozoic Geology and Palaeontology, 



by S. A. Miller, Esq 140 



List of the Coleoptera Observed in the Vicinity of Cincinnati, by 



(Charles Dury mi 



Terms : $2 00 per volume ; single number, 60 cents. 



