Xll 



CONTENTS 



PAGE 



Character of Materials Ixxxiv 



Stratigraphic Relations Ixxxiv 



Subdivisions Ixxxv 



Local Sections Ixxxvi 



Cbesapeake Bay Sections Ixxxvi 



Other Sections xci 



Origin of Materials xcii 



Geological and Geographical Distribution of Species xciii 



Table showing Distribution of Maryland Miocene Species xciv 



The Relations of the Miocene op Maryland to that of Other Re- \ 



GiONS and to the Recent Fauna. By William Healey Dall cxxlx 



Characteristic Species of North American Miocene cliii 



SYSTEMATIC PALEONTOLOGY, MIOCENE 1 



Mammalia. By E. C. Case 3 



Aves. By E. C. Case 58 



Reptilia. By E. C. Case 62 



Piscen. By Charles R. Eastman 71 



A rihropoda 94 



Malacostraca. By G. C. Martin 94 



Cirripedia. By G. C. Martin 94 



Obtracoda. By E. O. Ulrich and R. S. Bassler 98 



Mollunca 130 



Cephalopoda. By G. C. Martin 130 



Gastropoda. By G. C. Martin 131 



Amphineura. By G. C. Martin 270 



Scaphopoda. By G. C. Martin 271 



Pclecypoda. By L. C. Glenn 274 



Molluscoidea 402 



Brachiopoda. By G. C. Martin 402 



Bryozoa. By E. O. Ulrich and R. S. Bassler 404 



Vertnes. By G. C. Martin 430 



Echinodermata. By W. B. Clark 433 



Coelenterata 433 



Hydrozoa. By E. O. Ulrich 433 



Anthozoa. By T. W. Vaughan 438 



Protozoa 447 



Radiolaria. By G. C. Martin 447 



Foraniinifera. By R. M. Bagg, Jr 460 



Plantae 483 



Angiospermie. By A rthur Hollick 483 



Thallophyta-Diatomacea. By C. S. Boyer 487 



Errata 508 



General Index 509 



Paleontological Index 521 



