228 



INDEX. 



Page. 



CassidultTia crassa D'Orbigny , description of 12S 



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



45, 45-46, 48. 4<l-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 200 



features of - 202-203 



stratigraphic distribution of 206 



fossil plants from, plates showing 225 



invertebrates in 199 



localities in, from which fossils were collected 202 



mechanical analysis of 203-204 



microscopic examination of 204 



nature of 199 



Chinle formation in Utah, features of 62-63 



near Springfield, Utah, plate showing 62 



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



Ciniiamomum membraTiaceum (Lesquereux) Hollick, description 



of 174 



newberryi Berry, description of 173-174 



plate showing 181 



CissUe.t/ormosus Heer, description of 170-171 



formosus, plate showing 181 



Cladophiebis dnkotensis ( Lesquereux ) Berry, description of 207 



Clanton Hills, Ariz., limestone composing 1S8 



Clavulina hyramensis Cushman, n.sp., description of 92 



biframensis, plate showing 110 



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



plate showing 59 



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



south of Hurricane, Utah, plate showing 58 



Colutea primordialis Heer, description of 168 



Computations, graphic, facilities neederi for 39-40 



graphic, publications on 39 



numerical, disadvantages of 41 



Computer, trigonometric, advantages of 50 



trigonometric, constniction of 50-51 



use of 52 



Cooke, C. Wythe, cited 123 



Orthaulax, a Tertiary guide fossil 23-37 



The Byram calcareous marl of Mississippi 79-86 



Cornophyllum vctustum Newberry, description of 177 



Coniuspira involvens (Reuss) Reuss, descriptions of 101, 140 



involvens, plate showing 119 



Court House Rock, Ariz., description of 187 



Cragin, F. W., fossils determined by 155 



Cretaceous (?) sandstone in Utah, features of 65 



Cretaceous time, sequence of events in 201-202 



Cretaceous (?) variegated shale In Utah, features of 64-65 



Cristellaria convergent ? Bornemann, description of 130 



cultrata ( Montfort ) Parker and Jones, description of 130 



plate showing 148 



rotulata (Lamarck) D'Orbigny, description of 130 



plate showing 149 



vicksburgensis Cushman, n. sp., description of 130-131 



plate showing 148 



sp., description of 93 



Cupressinoxylon chcyennense Penhallow, description of 212-213 



Cushman, Joseph A., The foraminitcra of the Mint Sprin.^ calcare- 

 ous marl member of the Marianna limestone 123-152 



The Byram calcareous marl of Mississippi and its Foramin- 



ifera 87-122 



Cycadeoidea munila Cragin, description of 209 



Cycadeospermum Uneatum Lesquereux, description of 209 



D. 



Dakota sandstone, use of term 199-200 



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



fossils determined by 189-190 



Denison, Tex. , fossil plants collected at 153 



Depth to a stratum, graphic computation of 48 



De'nalquea insignijormis Berry, description of 167 



Diamond Valley, Utah, section on north side of 77 



Diospyros primana Heer, description of 178-179 



primaeva, plate showing 181 



Page. 



DiscoThi3 auracana (D'Orbigny) Cushman, description of 135 



auracana, plate showing 149 



berthcloti (D'Orbigny) Cushman, description of 135 



plate showing 149 



byramensis Cushman, n. sp., description of 96 



plate showing 1 13 



orbicularis i Terquem) Berthelin, description of 96 



plate showing 1 13 



Distance to a stratum, method for computing 46-48 



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



E. 



Eagle Tail Mountains, coloration of rocks in 186 



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



glabrata, plate showing Ill 



F. 



Fcistmantdia oblonga Ward, description of 222-224 



oblonga, plate sho\ving 225 



Ficus daphnogenoides ( Heer) Berry, description of 163-164 



daphnogcnoidcs , plate showing ISI 



glascomna Lesquereux, description of 164 



Foraminifera. See 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 



Gaudryina triangulrtris (?ushman, 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 distribution 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 faults in 193 



Quaternary history of 19fr-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 distribution of 18S-189 



Tertiary lavas in, nature and distribution of 186-188 



Girty, G . H. , cited 67, 68 



fossils determined by 66-68 



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



Gleichenia? bohemica (Corda) Berry, description of 208-209 



boheinica, plate showing 225 



nordenskidldi Heer, description of 208 



plate showing 225 



Olobigerina buUoides D'Orbigny, descriptions of 95, 134 



buUoides, plate showing 113 



dutcTtrd D'Orbigny, description of 134 



triloba Reuss, description of 95 



Olyptostrobus gracilli m ns Lesquereux, erroneous identification of 209-210 



Goldman, Marcus T., cited 203-204 



Llthologic subsurface correlation in the "Bend series" of 



north-central Texas l-2i 



Gonzales Wells, Ariz. , plate showing 181 



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

 tions of 98,138 



Tvhra, plate showing iifl 



