648 E. O. ULRICH INDEX TO "REVISION OF PALEOZOIC SYSTEMS 



Page Plate 



Lowville-Stones River contact 590 



Lucas formation • • 28 



Lyckholm fauna, Baltic section 306 



Lyell, Sir Charles, Stratigraphic classification by 26 



McCune dolomite • • 27 



McKenzie formation 522, 545, 591 28 



McMillan formation 509 27 



Maclurea 641 



affinis 653, 657, 661, 672 



bed 27 



emmonsi ? 671 



cf . matutina 670 



oceana 672 



oceana ? 654 



sordida 654 



cf . speciosa 660 



Maclurina fauna of Galena dolomite 369 



Madison sandstone 640 27 



Magog shales 443 



Major movements 595, 596 



Mannie shale . . 28 



Mansfield sandstone . . 29 



Maps of Paleozoic land connections and marine faunal migra- 

 tions 484 



of southern Appalachian Valley . . 25 



of southeastern North America, showing Appalachian 



troughs and overlaps 293 



Paleogeographic. of North America 368 



Maquoketa, Age of 309 



fauna, Utican aspect of 300 



in the Mississippi Valley 300 



shale, Extent of 306, 423, 454 28 



Marcellus shale . , 28 



Marine invasions from sides of North American continent 344 



currents, Relation to faunal distribution of . . . .• 517 



scour 362 



Martinsburg shale 443, 563 27 



Geographic distribution of 296 



Maryland basin 562, 563, 566 



formations . . 27 



Maryville limestone 613. 622, 636 27 



Massanutten sandstone . . 27 



"Matching" of species and genera 508 



Mauch Chunk mm 29 



Maury shale . . 29 



Maximum diastrophic activity, Periods of 596 



deposition area. Shifting of 566 



movements 595> 596 



thickness of overlapping formations 554 



