608 



INDEX. 



Iliamna Bay, Alaska, fossils from 146-147 



Inyankara Mountain country, fossils from 206 



IrUe$ alaskana Lx 171 



Iron Mountain Creek, fossil plants from 217 



Iron-ore beds, age of 390 



character of 349, 355, 364, 389-390 



correlation of 364 



fossils from 351, 370, 389 



occurrence of 349, 355, 359, 365, 375 



studyof 359 



Ives, J. C, on Painted De=ert •. ... 17 



Ivy City, D. C, fossil plants from 475, 519, 583-589 



James Kiver beds, age and correlation of 355, 403, 598 



identity of Rappahannock formation and 478 



fossil plants from 479^80, 582-589 



rocks on 380 



Jamesburg, well at, section of 356 



.Tapan, Dioonites Buchianus in 245-246 



Jettylo Spring, Arizona, section through 40 



Josten's ranch, Oregon, Jurassic plants from 52 



Juglaiis liuxtauriticnsis Brongn 37 



Juniperitcs Stfi-nbcrgiavus (Dunk. ) Brongn 264 



Jurassic rocks, conifers from Pis. XXXV-XXXVI 



cycads.. 179-198,203-204; Pis. XVI-XXIX, XLVI-LXIII 



equiseta from PI. XV 



ferns from Pis. VI-XV 



ginkgos from Pis. XXX-XXXIV 



liverworts from PI. VI 



of Japan, fossil plants from 169 



of Siberia, fossil plants from 166 



plants, miscellaneous, from PI. XXXVIII 



sections of 207 



Williamsonia from PI. XXIX 



Jurassic time, flora of 47-208 



in Alaska 162-175 



in Black Hills 203-208 



in California 176-177, 178-179 



in Montana 177-178 



in Oregon 47-145, 148-151 



in Wyoming 179-208 



Jurasso-Cretaceous rocks, conifers from PI. XLV 



cycads from PI. XLIV 



ferns from Pis. XXXIX-XLIII 



ginkgoaceee from PI. XLIV 



plants, miscellaneous, from PI. XXXVIII 



Kaibab Plateau, Carboniferous of 16 



Kaidacarpum cretaceum Heer 493 



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



Keams Canyon, section through 40, 41 



Kennedy, William, on Texas fossils 326 



Keuper formation. Painted Desert formation com- 

 pared with 26 



Kingsland, Va., stratigraphy of 380 



Klokia 74 



Knight, W. C, fossil plants collected by 179-180 



Knowlton, F. H., fossil plants received from 279, 284 



on Trinity beds fossils 340-341 



work of 362 



Knoxville beds, fo.ssil collections from 178, 



212,222,238,271-273 

 thickness of 216 



Kootanie formation, age of 278-280, 314-315 



fossil plants from 213,277-315; Pis. LXXI-LXXIII 



description of 286-313 



list of 280-282, 313 



Kootanie Pass, Cal., fossil plants from 277 



Labyrinthodon 15 



Laccopteru Gosjiperti ( Ett. ) Schimp 230 



Phillipui Zign 230 



polydacUjla (Gopp.) Sap 230 



Lafayette formation, correlation of 352 



occurrence of 386-357 



Lakota formation, discussion of 315 



fossil plants of 203, 315-^326; PI. LXXIII 



saurian bones In 326 



Langdon, D. C, fossil plants from 475,519-525,583-589 



Lansdowne, Md. , fossil plants from 566, 583-589 



Laricopsis Fontaine 312-313 



( longlfolia Font. ? 312-313 



longifolia latifolia Font 312-S13, 



: 31-4; PI. LXXIII, Figs. 11-14 



j Latrobe, B. H., on older Potomac 342-343 



Leaves, undetermined 136, 141 



Lee, John W., fossil found by 670 



Lee, Willis T.. on Morrison formation 578 



specimen collected by 180 



Leidy, Joseph, saurian tooth described by 349 



Lepidodendron sp. Taylor 373 



Leptostrobus foliosus Font 282, 584 



longifolius Font 281, 



481, 482, 491, 504, 506, 528, 548, 549, ,->51-5o2, 557, 

 567-568,584; PI. CX, Fig. 11; PI. CXVI, Fig. 1 



V ovalis Ward 514-515,584 



? (6) sp.?Font 514; PI. CVIII, Figs. 9,10 



Leroux member, Arizona, development of 25 



fossils in 23 



occurrence and character of 20, 22-27, 45 



erosion of 23-24 



Ste also Marls, variegated. 

 Leroux Wash, Ariz., buttes on, occurrence and char- 

 acter of 25 



fossil logs from 33 



Leroux member named from 22 



section on ." 42 



stratigraphy on 26-27 



Leroux's Fork, Ariz., identity of 22 



Lesquereux, Leo, fossils determined by 145 



Lignite, occurrence of 37, 214, 332, 347, 375 



Link cycad, discovery of 405 



view of, in place PI. LXXXVIII 



Lisburne coal mines, Alaska, fossil plants from 147 



See also Cape Lisburne. 



Lithoxylon 137 



Little Belt Mountains, foothills of, fossil plants from. . 282 

 Little Colorado River, buttes on, occurrence and 



character of 23-24 



canyon of, section of 37-3? 



fossil plants from 29 



lower valley of, section of 39-11 



rocks on 16, 21-23, 27, 29, 37-41 



valley of, map showing PI. IV 



Lithodendron Creek, Ariz., fossil wood from 20,32 



Lithodendron member named from 20 



location of 31 



Lithodendron member, equivalence of Shinarump 



conglomerate and 20 



