IV TABLE OF CONTENTS. 



Silurian faunas: Page. 



Richmond of areas adjacent to Cincinnati Axis 1476 



Richmond (Maquoketa) of upper Mississippi Valley 1479 



Richmond (Fern vale). of Illinois, Tennessee, Missouri, Arkansas, and 



Oklahoma 1480 



Richmond of Island of Anticosti, Quebec 1481 



Richmond (Gamachian Ellis Bay) Island of Anticosti, Quebec 1482 



Richmond (miscellaneous) 1482 



Upper Medinan (Girardeau) of Missouri and Illinois 1483 



Upper Medinan (Edgewood) of Illinois and Missouri 1483 



Upper Medinan (Channahon) of Illinois 1484 



Upper Medinan (Brassfield) of Kentucky, Ohio, etc 1484 



Upper Medinan of New York, New Jersey, etc 1485 



Upper Medinan (Cataract) of Ontario 1485 



Lower Clinton of New York and Appalachian Valley 1486 



Upper Clinton of New York, Appalachian and Ohio Valleys 1487 



Clinton of eastern Kentucky 1489 



" Niagara dolomite " (Rochester), Hamilton, Ontario 1489 



Anticostian, Island of Anticosti, Quebec 1490 



Niagaran (Laurel) of Indiana, Kentucky, and Tennessee 1491 



Niagaran (Waldron) of Indiana, Kentucky, and Tennessee 1492 



Niagaran (Louisville) of Kentucky and Indiana 1493 



Niagaran (Brownsport) of west Tennessee 1495 



Upper Niagaran of New York, Ontario, and Wisconsin 1496 



Niagaran (Racine) of Illinois and Wisconsin 1497 



Niagaran (Waukesha) of Wisconsin 1501 



Niagaran of Lake Huron region 1501 



Niagaran (miscellaneous horizons) 1501 



Niagaran of northern Indiana 1502 



Arisaig of Nova Scotia 1503 



Niagaran of Arctic America 1504 



Silurian of Maine 1505 



Silurian (Nova Scotia, etc.) 1505 



Cayugan (Kokomo) of Indiana 1506 



Cayugan of Appalachian Valley, New York and Ontario 1506 



Silurian of South America 1507 



Lower Monroan of Michigan, Ohio, and Ontario 1507 



Upper Monroan (Helderbergian?) of Michigan and Ontario 1507 



Helderbergian (Lower Beds) of Appalachian Valley 1508 



List of American Ordovician and Silurian formations. . 1511 



