610 



INDEX. 



Natural Bridge, Arizona, location of iS2,42 



Navajo Keservation. section through 40 



Neocomian formation, definition of S71 



flora of 2S4 



Neuropteris heterophylla Brongn 210 



Htiltoni Dunk lei 



liiiatii (Phill.)L. iH 6S 



recentior (Phill.) L. & H 67 



Xewberry. J. S., fossdl plants determined by S3, 277 



on Great Falls coal basin 27S 



ou Painted Desert 17-18 



on petrified trunks S3 



Newcomb, C. F.. fossil fern collected by 210 



New Reservoir, Washington. Set- Reservoir. 



Nichol station. Oreg., fossils from AS-oO, 217 



Nickel Mountain, Oreg.. section through, figure show- 



Nikolai Creek, Alaska, fossil plant from 146, 152 



Kilsonia Broivgniart 77-7S. 



90-97, IM, 219, 251-254, 803-306, 319-322 



'? aViiu/iV Brongn lOO 



brCTis Brtmgn 322 



califomica Font 96,252-253,271: PI. LXVII, Fig. 7 



compta (Phill.) Gopp 94-95, 



140. 143; PI. XVII. Figs. 11-14 



comtnla Heer 252 



elougata Brongn 322 



uigracollensis Wieland. S19-S22: PI. LXXin. Figs. 5«-c 

 nipponensis Yok... 94, 102.140. 143; PI. XVII, Figs.S-10 



orieutalis Heer 90-91, 93, 140. 143 



orientalis minor Font... 91, 92, 140; PI. XVII, Figs. 1-7 



ozoana Yok 93 



parvula (Heer) Font 92-9S, 140, 148. 320 



polymorpha Schenk 319. 321-322 



polymorpha cretacea Penh 210 



pterophylloides Nath 96-97,140.144; PI. X^^II 



pterophylloides Y'ok %, 253 



: sambucensis Ward 254, 271; PI. LXVII, Fig. S 



^chanmburgensis (Dunk.) Nath 2,>1, 



2S4, 30S-S0G, 307, 313-314, PI. LXXH, Figs. 17-21 



Stamoni Ward 251-252, 271; PI. LXVII. Figs. 5, 6 



Nilssonia pecteu Dunk 243 



pterophylloides Nath 96 



schaumburgensis (Dunk.) Nath 303-804 



Nomenclature used, system of 53 



Nottoway River, Va., fossUs from 359 



Nuttall, Thomas, on Virginia geology 346 



O. 



Oiloiilopto-is LfClenbtii (Bean. ) Zign S9 



Odoutopteridea 242 



Olalla Creek, Oreg., location of .■ 48 



Old Man River, North Fork of, Canada, fossil plants 



from 277 



Older Potomac formation, age of 579 



character of S4(>-S47 



conchtsions concerning 574-5S0 



definition of 342. 263 



divisions of 47S. ,^75 



fossil flora of 342-599, Pis. LXXXI-CXIX 



species of. descriptions of. . 416-474, 4T9-4S2. 4S4-4S6, 

 4S9, 492-50S, 511-515, 517-61S. 521-525. 529-5i!S..53.5- 

 536, 538-542, 546, 54S-556, 558-566, 570, 572-573 



occiurrence of , discussion of 356,363 



Oleandra aretica Heer 281 



OleandrUiiiim rittaliim (Brongn.) Schimp 81 



Omphalomela scabra Germar 449 



Ono, Cal.. fossil plants from 213-214, 221, 223 



Page. 



Ontario avenue, Washington, D. C, rocks on 382 



Onychiopsis Yokoyama 155-157 



elongata (Geyl.) Yok 157 



2fan(rf« (Brongn.) Sew i.=i6 



psilotoides (S. iS: W.) Ward loo-loi, 



173-174, 504. 506, 517, 51S, 528. 586; PI. XXXIX. 

 Figs. 3-6; PI. CXI, Pig. 4: PI. CXIII. Fig. 1. 



Oolite of France, fossil from 72 



Oolite of Italy, fossils from 153 



Oolite of Yorkshire, fossils from 60, 151 



Oregon, Curry Coimty, fossil flora of 146. 148-151 



Doi^las County, fossil flora of, age of 141-145 



fossil flora of, list of 140-141 



descriptions of 53-139 



occurrence of 48-53 



fossil plants from Oroville and, comparison of.. 141-142 



from Siberia and, comparison of 143-145 



from Yorkshire and, comparison of 143-144 



fossil plants of, plates sho\ving Pk. VII-XXXVIII, 



LXV-LXIX 



OroTille, Cal., fossil plants from 103 



fossil plants from Oregon and, comparison of... 141-142 



Osborn, H. F.. mention of 14,207,318 



OmiKiida (iicHonioides Font:: 230-232, 281, 538, 586 



Osmundites skidegatensis Penh 210 



Otopterif ciineata ( L. & H.) Presl s»i 



Otozamites Klipsteini superba Sew 151 



oregonensis Font 150-151; PI. XXXVIII. figs. 13.14 



P. 



Pagiophyllum dubium Font 176,333.579-580 



sp. Dn 2S1 



Painted cliffs, Arizona, location and character of 16, 2S 



Painted Desert, Arizona, location and character of... 16 



name of 17 



section of, figure showing _ 39,41 



Painted Desert formation, fossil wood in 37 



occurrence and character of 17,27-28.-^4-15 



section of, figure showmg 45 



springsat bitse of 28 



Paleohillia arkansana Kn $4X 



Paleozoic rocks, fossil wood from ." 36 



Paluxy sands, correlation of 331 



silicifted wood found in 331,333 



?Parkeria sp. Roem 335-336 



Parkers Peak. Wyoming, section at _ 324 



Pjiskenta. Cal.. fossils from 222-^23 



Patapsco formation, correlation of 395,403.598 



description of 397-398 



Patnxent formation, correlation of 395, 403, 69S 



description of 395-396 



fossils of 399 



Peale, .4.C.. fossils collected by 145,177,279 



Pecopteris Brongniart 232 



.IMniisiiDunk 230 



a rhorr scras ( Schloth. ) Brongn 232 



brevipeunis Font 510, 586 



Broiniiatm Dunk 226.279 



constricta Font 519,586 



Conijbfari Dunk 230 



dentieulata Brongn 68 



dcnticidata Heer 69,157 



Dunkeri Schimp 228 



elegans (Gopp.) Brongn 230 



ex-iliformis Geyl 228 



fj-iYis Phill 74 



GeinitziDunk -297 



