112 



INDEX— Continued 



PAGE 



latifolium Lesquereux. 14, 32-33, 34-35 



rigens Lesquereux 14, 36-37 



wortheni Lesquereux 14, 34-35 



Lepidophloios 16 



protuberans Lesquereux 14, 34-35 



Lepidophyllum 16 



majus Brongniart 14, 38-39 



Lepidostrobus 16 



communis Lindley and Hutton. . 



14, 32-33 



ovatifolius Lesquereux 14, 32-33 



Lesley, J. P., work of 11 



Lesquereux, Leo, work of 3, 10-11 



Linopteridae 14 



Linopteris 17 



neuropteroides (Gutbier) Potonie 



14, 62-63, 64-65 



Location of area 9-10 



Lycopodiales 14, 16, 32-43 



Lycopodites 16 



meekii Lesquereux 14, 38-39 



M 



Mariopteridae 14, 50-51 



Mariopteris 17 



mazoniana (Lesquereux) White . . 



14, 50-51 



muricata (Schlotheim) Zeiller. . . . 



14, 50-51 



muricata var. nervosa (Schlot- 

 heim) Zeiller 14, 50-51 



Mazon Creek, fossils from vicinity 



of 9, 



24-25, 26-27, 28-29, 30-31, 32-33, 

 34-39, 44-45, 46-47, 50-51, 52-53, 

 54-55, 58-67, 68-73, 74-81, 86-95, 

 96-105, 106-107, 108-109 



Megalopteridae 14, 48-49 



Megalopteris 17 



southwellii Lesquereux 14, 48-49 



Megaphyton spec 15, 17, 108-109 



Miller, S. A., work of 11 



Morris, fossils from vicinity of . . . . 



9, 26-27, 84-85 



N 



Neuropteridae 14, 52-75 



Neuropteris 17 



capitata Lesquereux 14, 62-63 



clarksoni Lesquereux. .14, 58-59, 60-61 



crenulata Brongniart 14, 60-61 



decipiens Lesquereux 14, 66-75 



flexuosa Sternberg 



14, 58-59, 60-61, 64-65 



oblongifolia Gutbier 14, 64-65 



PAGE 



ovata Hoffmann 14, 58-59, 60-61 



rarinervis Bunbery 14, 52-55, 72-73 



vermicularis Lesquereux 14, 66-67 



O 



Odontopteridae 15, 92-93 



Odontopteris 17 



subcuneata Bunbery 15, 92-93 



wortheni Lesquereux 15, 92-93 



Oswald, W., cooperation of 12 



Pachytesta 18 



incrassata Brongniart 15, 106-107 



Palmatopteris 17 



furcata (Brongniart) Potonie. 14, 44-45 



Pecopteridae 14, 76-91 



Pecopteris 17, 18 



arborescens (Brongniart) Stern- 

 berg 15, 80-81 



dentata Brongniart 15, 84-85 



miltoni Artis 14, 78-79, 86-87 



pennaeformis (Brongniart) Stern- 

 berg 15, 82-83 



pseudovestita White 14, 76-77 



squamosa Lesquereux 14, 78-79 



unita Brongniart 15, 86-87, 88-89 



vestita Lesquereux 14, 76-77, 78-79 



Port Byron, fossils from 48 



Ptychocarpus unita (Brongniart) 



Weiss 15, 90-91 



Ptychopteris spec 15, 17, 108-109 



Sigillaria 16 



camptotoenia (Wood) Wood. .14, 40-41 

 Skinner mine, fossil plants from. ... 9 



Species, definition of 12-13 



Sphenophyllales 14, 16, 30-31 



Sphenophyllum 16 



emarginatum (Brongniart) Koe- 

 nig 14, 30-31 



majus (Bronn) Bronn 14, 30-31 



Sphenopteridae 14, 44-47 



Sphenopteris 17, 18 



capitata White 14, 44-45 



chaerophylloides (Brongniart) 

 Presl 14, 46-47 



gracilis (Brongniart) Presl 14, 44-45 



Spiropteris 18, 74-75 



Spring Valley, fossils from vicinity 



of 9, 10, 52-53 



Staphylopteris 18 



sagittatus Lesquereux 



15, 102-103, 108-109 



