GEOLOGY OF THE FOURTH DISTRICT. 



ORGANIC REMAINS OF THE CHEMUNG GROUP. 



No. 68. — No. 125, and part of 127, pages 273 and 275. 

 Fig. 1. Filicites? An abundant fossil at Ithaca and other places in Tompkins county. 

 Fig. 2. Sigillana Chemungensis, H. One-half the natural size. Elmira. 



M 



