PALEONTOLOGICAL INDEX 



611 



Cylindrltes latlfrons, 139. 



spongloides, 112. 

 Cylindropodium, 313. 

 Cyparissldlum, 439. 

 Cyparissidium gracile, 133, 434. 



japonicum, 115. 

 Cyperacese, 454. 

 Cyperacites, 135, 454. 

 Cyperacltes arcticus, 133. 



hyperboreus, 133. 



potomacensis, 94, 158, 160, 170, 

 455, 578. 

 Cyperites sp., 120. 

 Cyrena, 115, 213. 



Cyrena marylandica, 89, 213, 520. 

 Cyrenacea, 213. 

 Cyrenidse, 213. 

 Cystopteris, 241. 

 Czekanowskia dichotoma, 133. 



nervosa, 138, 139, 374. 



Dammara, 301, 399. 

 Dammara microlepis, 392. 



Moorei, 339. 

 Dansea, 290, 292. 

 Danseopsis, 291. 

 Danseopsis marantacea, 292. 

 Davallia, 277. 

 Delgadopsis, 128. 

 Delgadopsis rhizostigma, 127. 

 Dichopteris, 299, 301, 351. 

 Dichopteris laevigata, 107. 

 Dichotozamites, 158, 364. 

 Dichotozamites cycadopsis, 92, 157, 168, 



365, 576. 

 Dicksonia, 237, 265, 266, 268, 277. 

 Dicksonia bellidula, 133, 167, 238. 



clavipes, 265. 



elongata, 281. 



Johnstrupi, 133. 



montanensis, 120, 238. 



pachyphylla, 120, 123, 238, 



sp., 120. 



tosana, 115. 

 Dicksoniopsis, 237. 

 Dicksoniopsis vernonensis, 90, 157, 166, 



237, 527. 

 Dicksonites, 237. 

 Dicksoniopteris Naumanni, 115. 

 Dicotyledonae, 71, 105, 135, 181, 457. 

 Dicotylophyllum cerciforme, 127. 



corrugatum, 127. 



hederaceum, 127. 



lacerum, 127. 

 Dicranopteris fulva, 236. 

 Dictyophyllum, 503. 

 Dictyophyllum Dicksoni, 133. 

 Dictyophyllum Rcemeri, 107. 



Dictyopteris, 285. 

 Dictyopteris anomala, 104. 



infracretacica, 104. 



tenella, 104. 

 Dldymochlsena, 241. 

 Dinosauria, 66, 177, 183. 

 Dion, 332. 



Dioonites, 63, 71, 125, 331. 

 Dloonites abietinus. 111. 



borealis, 120. 



Brongniarti, 107. 



Buchianus, 92, 115, 123, 124, 130, 

 136, 157, 160, 161, 168, 332, 333, 

 334, 550, 551. 



Buchianus abietinus, 123, 124. 



Buchianus angustifollus, 115, 136. 



Buchianus rarinervis, 123, 136. 



Dunkerianus, 107, 111, 124, 136. 



Goeppertianus, 111. 

 Diospyros, 146. 

 Diplazium, 240. 

 Diplopora muhlbergii, 140. 

 Diplosaurus, 211. 

 Dipteriacese, 113, 146, 147. 

 Dipteris, 496. 

 Diracodon, 207, 208. 

 Discophorites angustilobus, 102. 

 Discophorites Fischeri, 102. 

 Dombeyopsis, 465. 

 Dorstenia, 126. 

 Dracaena Benstedi, 129. 

 Drepanolepis angustior, 117. 



rotundifolia, 117. 

 Drynaria, 503. 

 Dryopteridese, 242. 

 Dryopteris, 120, 241, 259, 260. 

 Dryopteris angustipinnata, 252. 



angustipinnata montanensis, 120. 



cystopteroides, 262. 



dentata, 263. 



elliptica, 262. 



fredericksburgensis, 258. 



heterophylla, 250. 



kootaniensis, 120. 



macrocarpa, 261. 



microcarpa, 263. 



monocarpa, 120. 



montanensis, 120, 167, 257. 



oblongifolia, 264. 



Oerstedi, 252. 



parvifolia, 237. 



pinnatiflda, 261. 



virginica, 237, 264. 

 Dryopterites, 120, 241, 359, 260, 262. 

 Dryopterites cystopteroides, 90, 154, 156, 

 166, 262. 



dentata, 90, 154, 156, 166, 262. 



elliptica, 90, 166, 262. 



macrocarpa, 90, 154, 156, 166, 261. 



