CONTENTS 



Work of the old department , 5 



Division of paleontology 6 



Operations in the field 1899-1900 6 



Office work 18 



Cooperative work of the department 23 



Miscellaneous 24 



Appendix 1 : Accessions 



Donations 25 



Purchases , 27 



Exchanges 28 



Collections . 29 



Appendix 2 : New entries of localities 



Alphabetic list of localities 31 



!N. Y. localities according to counties 40 



Index to formations 45 



Kecord of localities -47 



Appendix 3 : Notes on paleozoic crustaceans bj John M. Clarke 



1 The genus Pseudoniscus 83 



2 Phyllocarida from the black shale beds at the base of the 



Salina beds in western New York 92 



3 Some Devonic phyllocarida from New York 97 



4 Phyllopod crustacean in the Oneonta-Catskill sediments in 



easteria New York 103 



5 Estheria Ortoni sp. nov 109 



Explanation of plates ... Ill 



Index 121 



