CL~D 



(geological j$urUni of tlic Statt of |leto gorlt. 



PALEONTOLOGY 



Vol. VII. 



TEXT -A. 3ST 13 FLUTES- 



( OXTAINIXG DESCRIPTIONS OK THE 



TRIL0B1TES AND OTHER CRUSTACEA 



ORISKANY, UPPER HELDERBERG, HAMILTON, PORTAGE, CHEMUNG AND CATSKILL GROUPS. 



JAMES HALL, 



STATE GEOLOGIST AND PALEONTOLOGIST, 

 ASSISTED BY 



JOHN M. CLARKE. 



n* 1 



1° 



& 



ALBANY, N. Y.: 



CHARLES VAN BENTHUYSEN & SONS. 

 1888. 



