228 



INDEX. 



Page. 



Cassidulina crassa D'Orbigny, description of 128 



Charts for stratigraphic computations, preparation and use of. 44- 



4.'^, 45-46, 4S. 49-50 



Cheyenne sandstone of Kansas, flora of, age of 204-206 



flora of, climate and conditions of growth and embedment — 203 



descriptions of 207-224 



early work on 2iX) 



features of 202-203 



stratigraphic distribution of 206 



fossil plants from, plates showing 225 



invertebrates in 199 



localities in, from which fossUs were collected 202 



mechanical analysis of 203-204 



microscopic examination of 204 



nature of 199 



Chiide formation in Utah, features of 62-63 



near Springfield, Utah, plate showing 62 



Cinder cones north of St. George, Utah, plates showing 66 



Cinnamomum mcmbranaceum (Lesquereux) Holiick, description 



of 174 



newbernji Berry, description of 173-174 



plate showing ISl 



Cissites/ormosus Heer, description of 170-171 



formosus, plate showing 181 



Cladophhbis dakottnsis ( Lesquereux ) Berry, description of 207 



Clanton Hills, Ariz., Umestone composing 188 



ClavuHna bi/raviensh Cushman, n.sp., description of 92 



bi/ramcnsis, plate showing 110 



Coalpits Wash, near Grafton, Utah, panorama along east side of, 



plate showing 59 



Coconmo sandstone in Utah and Arizona, features of 57-58 



south of Hurricane, Utah, plate showing 5S 



Cnlutfn primordiaHs Heer, description of 168 



Computations, graphic, facihties needed for 39-40 



grapliic, pubUcations on 39 



numerical, disadvantages of 41 



Computer, trigonometric, advantages of 50 



trigonometric, construction of .VK'il 



use of 52 



Cooke, C. Wythe, cited 123 



Orthnulax, a Tertiary guide fossil 23-37 



The Byrara calcareous marl of Mississippi 79-n6 



CornophyUum vetustiim Newberry, description of 177 



Coruuspira iiuolvejis (Reuss) Reuss, descriptions of 101, 140 



involvcns, plate showing 119 



Court House Rock, Ariz., description of ls7 



Cragin, F. W., fossils determined by 155 



Cretaceous (?) sandstone in Utah, features of 05 



Cretaceous time, sequence of events in 201-202 



Cretaceous (?) variegated shale in Utah, features of 64-(j5 



CrUtdlaria contergens ? Bornemann, description of 130 



cuUrata (Montfort) Parker and Jones, description of 130 



plate showing 14S 



rutulnta (Lamarck ) D'Orbigny, description of. . . . .*. 130 



plate showing 149 



vicksbnrgcnsis Cnshi]ia.u, n.sp., description of 130-131 



plate showing 14S 



sp., description of 93 



CuprfssimmjlDii chtyenneme Penhallow, description of 212-213 



Cushman, Joseph A., The foraminifera of the Mint Sprin; calcare- 

 ous marl member of the Mariannalimestone 123-1.'>2 



The Byram calcareous marl of Mississippi and its Foramin- 

 ifera S7-122 



Cycadeoidta munita Cragin, description of 209 



Cucadtospninuin (intatum Lesquereux, description of 209 



I). 



Dakota sandstone, use of term 199-200 



Dall, WilUam H., cited 23, 27, 29-30 



fossils determined by 189-190 



Denison, Tex., fossil jtlants collected at 153 



Depth to a stratum, graphic conijnitatiou of 4s 



Dcrnlquca insignijoTmu^ Berry, description of 167 



Diamond Valley, Utah, section on north side of 77 



Dionpijros pTJinniva Heer, description of 178-179 



primal va, plate showing 181 



Page. 



Discorbis auracana (D'Orbigny) Cushman, description of 135 



auracnna, plate showing 149 



bcrlhdoti (D'Orbigny) Cushman, description of 135 



plate showing 149 



byramcnsis Cushman, n. sp., description of 96 



plate showing 113 



orbicularis (Terquem) Berthelin, description of 96 



plate showing 1 13 



Distance to a stratum, method for computing 45-48 



Dome Rock Mountains, Ariz., plug of latite in, plate showing 185 



E. 



Eagle Tail Mountains, coloration of rocks in 1S6 



EhnnbcTgina glabrata Cushman, n. sp., description of 93 



glabrata, plate showing Ill 



F. 



Feislmantelia oblon^a Ward, description of 222-224 



oblonga, plate showing 225 



Fii-^tx daphnogenoidcs ( Heer) Berry, description of 163-164 



daphnogcnoidcs, plate showing 181 



glascocana Lesquereux, description of 164 



Foraminifera. 5(f Cushman, Joseph A. 



Fossils, from well borings in the Bend series, Texas 16 



occurrence of, in the lower Gila region 189-190 



G. 



Gabb, William M., cited 27, 28 



Oaudryina triangularis Cushman, description of 127 



sp. ?, description of 127 



plate showing 146 



Gila, lower, region, Ariz., basal complex of, age of 185-186 



basal complex of, classes of rocks in 183-184 



igneous rocks in 184 



least-metamorphosed sediments in 185 



metamorphosed schistose rocks in 184-185 



nature and distribut ion of 184-186 



faults older than the Tertiary lava in 192-193 



faults younger than the Tertiary lava in 193 



folds in 192 



geologic map of In pocket. 



intrusive rocks in 187 



mineral deposits in 197 



Paleozoic and Mesozoic events in 194 



pre-Cambrian events in 194 



Quaternary basalt in ~ 191-192 



Quaternary faiUts in 193 



Quaternary liistory of 196-197 



Quaternary sediments in 190-191 



rocks of, variety of 183 



situation and development of 183 



structure of 192-193 



Tertiary history of 195-196 



Tertiary sedimentary formations in. features of 186 



fossils in 189-190 



nature and distribut ion of 188-189 



Tertiary lavas in, nature and distrilmtion of 186-188 



Girty, G . H., cited 67, 68 



fossils determined by 66-68 



Glauconite, occurrence of, above stratigraphic breaks 3-4, 20-21 



Gliicheniaf liolumica (Corda) Berry, description of 208-209 



bohcmica, plate showing 225 



noTdtnakioldi Heer, description of 208 



plate showing 225 



Olobigerina bulloides D'Orbigny, descriptions of 95, 134 



huUoides, plate showing i 113 



dutertni D'Orbigny, description of 134 



triloba Kouss, description of 95 



Glypt'istrobu.^ gradltimus Lesquereux, erroneous identification of 209-210 



(ioldnian, Marcus I., cited 203-204 



Lithologic subsurface correlation in the "Bend series" of 



north-central Texas 1-2| 



Gonzales Wells, Ariz., plate showing 18-1 



Gypsina rubra (D'Orbigny) Heron-Allen and Earland, descrip- 

 tions of 98, KW 



rubra, plate showing ilfl 



