CONTENTS 



VOLUME I 

 57th Report of the Director and 23d Report of the State Geologist, 1903 



PAGE 



Geology 6 



Maps 6 



Pre-Oambrian and crystalline rocks 6 



Pleistocene 8 



Economic geology 12 



Mineralogy 13 



Peat : Its Formation, Uses and Occurrence in New York. Arthur 



L. Parsons 15 



Notes on the Gypsum Industry of New York. Arthur L. Parsons. . 89 



Abrasives of New York State. Harry C. Magnus 158 



Minerals not Commercially Imx>ortant Herbert P. Whitlock 180 



Distribution of Hudson Schist and Harrison Diorlte in the West- 

 chester County Area of the Oyster Bay Quadrangle. F. J. H. 



Merrill assisted by H. C. Magnus 193 



The Northeast Extremity of the Pre-Cambrian Highlands. F. J. H. 



Merrill with map by T. Nelson Dale 195 



Paleontology 198 



General zoology 200 



Entomology 202 



Botany 204 



Archeology 205 



Attendance at the museum 205 



Accessions to the collections 206 



Appendix 210 



Index 215 



Appendixes 1-5 



Museum bulletins 70-72, 74, 76, 77, 79, 80a 



1 Geology 



6 (77) Geology of the Vicinity of Little Falls, Herkimer Co. H. P. 

 Cushing 



2 Mineralogy 



3 (70) New York Mineral Localities. H. P. Whitlock 



3 Paleontology 



10 (80) Report of the State Paleontologist 1903. J. M. Clarke 



a Bulletins are grouped into appendixes according to subject and each appendix is 

 paged separately. 



