104 



.NEW YORK STATE MUSEUM 



MEMOIRS 



Paleontology 



2 The Eurypterida of New York. By John M. Clarke and 

 Rudolf Ruedemann. 1912. 2 vols. 628p. 88pl. 



Contents 



Preface 



Introduction 



History of investigations 

 Eurypterida I Morphology, anatomy, 

 and terminology 

 II Mode of life 

 III Geological distribution 

 and bionomic re- 

 lations 

 A Conspectus of 



American spe- 

 cies arranged 

 according to 

 their geolog- 

 ical occur- 

 rence 

 Biologic facies 



of the euryp- Appendix 

 terid faunas Bibliograph)' 



Eurypterida III C Geological dis- 

 tribution in 

 other coun- 

 tries 

 D Bionomy of "the 

 eurypterid 

 faunas 

 IV Ontogeny 

 V Phylogeny 

 VI Taxonomic relations 

 VII Synoptic table of 

 North American 

 Eurypterida 

 VIII Systematic account 

 of the^ Eurypterida 

 Eurypteridae 

 Ptervgotidae 



BULLETINS 



Geology and Paleontology 



3 No. 162 The Lower Siluric Shales of the Mohawk Valley 

 By Rudolf Ruedertiann. 1912. i5ip. i5pl. 



Contents 

 Introduction 

 Historical sketch 

 " Utica " shale of authors 

 Frankfort shale 

 Schenectady formation 



Indian Ladder beds 

 Siunmary 

 Bibliography 

 Paleontological notes 

 Explanation of plates 

 Index 



4 No. 166 The Mining and Quarry Industry of New Yor' 

 State. By D. H. Newland. 1913. ii4p. 



Contents Clay 



Introduction Production of clay materials 



Mineral production of New York Manufacture of building briclc 

 Cemept Other clav materials 



