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CONTENTS 



PAGE . 



1. Title 1 



2 . Letter of Transmission 3 



3. Contents . . ." 5 



4. Staff of State Geologist 7 



5 . Report of the State Geologist 9 



6. Preliminary Description of the Faulted Region of Herkimer, Fulton, 



Montgomery and Saratoga counties; by N. H. Darton 30 



7. Report on the Structural and Economic Geology of Seneca County; by 



D. F. Lincoln, M. D. : 57 



8. The Principles of Palaeontology; by Felix Bernard 127 



9. Development and Mode of Growth)of Diplograptus; byR. Ruedemann, 



Ph. D 217 



10 . A Revision of the Sponges and Coelenterates of the Lower Helderberg 



Group of New York; by George H . Girty 279 



11 . New Species of Brachiopoda described ia Palaeontology of New York, 



Volume VIII, Parts 1 and 2 323 



12. A Handbook of the Genera of North American Palaeozoic Bryozoa; by 



George B. Simpson 403 



