DEVELOPMENT OF PALEOBOTANY IN THE ILLINOIS BASIN 81 



Carr collection 20, 22 



Carrier Mills , IL 38 



Carroll, D. L 3 6 



Carterville, IL 20 



Caseyville Formation 2, 8 



catalogs 6, 7 



Catenopteris 38, 40 



Caulopteris 4l 



Cayuga, IN 25, 26 



cellulose acetate peels 26 



Chaloner, ¥. G 20, 40 



Chamberlain, C J 12 



Chamberlin, T. C 13 



Chapel (No. 8) Coal Member 43 



Chesterian Series 49, 50 



Chicago 7, 10, 14-15, 20, 45, 51 



Chicago Circle, University of Illinois ...45 



Chicago City College 45 



Chicago Natural History Museum (see Field 



Museum of Natural History) 



Clarks on Mine 28 



classification, coal 28, 47 



climate of the Pennsylvanian l8 



coal balls 3-4, 9-14, 21, 24-41 



44-45, 48-49, 52 



Coal City, IL 17, 19, 21 



coalif ication 10, 25 



coal petrography 28, 45, 46, 50, 52 



coal swamp floras 4-6, 28, 33, 34, 38 



48, 49 



coal swamp forest 15, 17, 20 



Codiaceae 50 



Codonotheca 7 



Coe College 43 



Coe, E. A 43 



coenopterid ferns 17, 30, 35, 39, ^0 



Cohen, L. M 35, *H 



Colchester (No. 2) Coal Member of 



Illinois 2, 12, l6-l8, 20, 38, 45 



Colchester Coal Member (Ilia) of 



Indiana 2 , 45 



collections 22, 27, 31, 33, 34, 36, 38 



Collinson, Charles 22 



Columbian Exposition 7 



compressions ..3, 4, 7, 8, 9, 13, 17, 19, 20 

 27, 29, 40, 44, 46, 48-50, 52 



cones 35-37, 40, 42, 51 



Conostoma 4l 



Cookson, I. C 23 



Cordaianthus 11 



cordaites 11, 12, 25, 35 



Cordaites 11, 39, 41 



Cornell University 8, 14, 51 



Coronostoma 4l 



correlations, stratigraphic 4, 8, 9, 18 



22, 23, 42-44, 47, 52 



Coulter, J. M 11-13, 39 



Cretaceous 2, 14, 33, 51, 52 



Cridland, A. A 20, 39, 40, 4l 



Croneis , C . G 17 



Crook, A. R. 

 Cross, A. T. 

 Crossotheca , 

 Culver, H. E, 

 cuticles 

 Cycadeoids . , 



28 



.8, 25 



33, 42 



27 



46 



...6, 7 

 31, 50 



..7, 41 



13 



47, 51 



35 



cycadof ilicales (see pteridosperms ) 



Dahlgren , B-. E 17 



Damberger, H. H 38, 50 



Daniels collection 20, 22 



Danville, IL 19, 25, 27, 38 



Danville (No. 7) Coal Member ..2, 25, 27, 38 



Darrah, ¥. C 3, 4, 6, 10, 11, 18-20, 22 



23, 26, 30, 40, 41, 48 



Davis , Bill 39 



Davis , Richard A 27 



Dawson, G. M 51 



Deiss , Charles 24 



Delevoryas , Theodore 20, 31, 32, 35 



37-41, 44 



Dennis, R. L 39-^1 



Des Plaines River 5 



Deuel , Thorne 20 



Devonian 2, 31, 50-52 



DeWolf, F. ¥ 4 



Dictyophlois 9 



Dilcher, D. L 32, 44, 51 



Dolerotheca 31, 32, 36, 41 



dolomitic coal balls 25 



Donetz Basin 10 



Dorf , Erl ing 6 



Du Quoin, II 28 



Eastern Illinois University 38 



Eastern Interior Basin 2 



ecology 3, 20, 28, 33, 48, 49 



Eddings, A. L 43 



Eggert, D. A 20, 33, 35, 38-40, 45, 50 



Elaterites 35 



electron microscopy 45 , 49 



embryos 27 



Emory University 30 



Engelhardt, D. ¥ 23 



environments 3, 20, 28, 45, 49 



Eopteridangium 40 



Erdtman, Gunner 23, 4l 



Ernest R . Graham Hall 15 



Europe 18, 20, 23, 24, 39, 48 



European paleobotanists 19, 22, 23 



Evans, ¥. D 25 



Evers, R. A 40 



evolution 2-4, 15, 39, ^8, 50 



Ewart, R. B 41 



Exeter Coal 46 



