(i, oloijij a, ,d Mineralogy. 





d on this point proved that the western of the 

 Dutchess County contained Trenton fossils. 



County limestone, by Professor Wm. B. Dwight, and of the 

 earlier detection of Hudson River brachiopods by .Mr. Nelson T. 

 Dale, in the adjoining Poughkeepsie slates — part of the Taeonio 



tact with older ones, the effects of lateral movemen 

 sion, involving the two series, is generally to cause 



■ o application to tl,, region of the Taco 

 •2. Genlo,,;,,,! Report on T>,dhuu, , 

 'oi [.kit, State Geologist. 414 pp. 8vo. 

 lie early pages of this Report, Prof. Co' 



t this R port. I>rof. C diet! gnc< l:i \- r.-p.ctmM 



,-ls lbs. lor the sawed ; 

 bowing the U reat weakc: 

 ^.ol-d.vs-ing.' The same 

 bs. 

 The following pages tre 



