INDEX. 
A. Page. 
A bietites ernestinae Lesquereux, description of...........:-----+-- 212 
longifolius (Fontaine) Berry, description of...............-- 211-212 
Plate SHOWING «6. oie 5 c.caierceeciownnieetceovincmowiwcmeeooeet 225 
Accuracy in computations, excessive................ee-eeeceeeees 41 
AtGknowled pment for Aid oo. wine deweavunsawsa dee eseeawwex wee 22 
Akinetic surface, propased use of term.......-.22....2ee eneueeciens 
Alinement charts, nature Of. .......-....0.--0esceesccevcencernees 
preparation and use of... .-.......22222.- 2-22 eeeee 
Allen, E. G., acknowledgment to................20025 wieeneaeurse 
Andromeda novaecaesareae Hollick, description of...........-+-+ 
novaecaesareae, plate showing. 
snowii Lesquereux, description of............-.- Dea 
Anomalina bilateralis Cushman, n. sp., description of ... 
bilateralis, Plate showing.........2....220.220005 woeisasetengety 
grosserugosa (Giimbel) H. B. Brady? var., description of...... 98 
PIAtS SHOWING ooo oe oiane cee ereeae Sa sda ananassae detain ee 
mississippiensis Cushman, n.sp., descriptions of..... 
PIOSNOWINE oo sieiniurovamcsensscaensdoyeunewus: 
vicksburgensis Cushman, n. sp., description of................+ 
plate'showing secs ccwsscaeesecnreriseepenwacticeietle veers 
Antelope Hill, Ariz., sandstone composing... .... eee cjesaisisseeia 188 
Antelope Wash, Ariz., section on............ 20... c cece cee ee eeeee 70 
Aralia newberryi Berry, description of................--20.e0eee 220-221 
ravniana Heer, description of.......... eaAeinssee’ acemae eeu 219-220 
plate showing.........--..0.....02e2 cence cece cece neces * 225 
saportana Lesquereux?, description of.......2..........020022 177 
wellingtoniana Lesquereux, description of............-..... 176-177 |. 
SS SO RI iss ccc choc pe terl wis nrceciniainin aren accenennsebneiai nal at 181 
Araliopsoides cretacea (Newberry) Berry, description Ossuscsizes 221-222 
(retaced, plate SHOWING 0 conesscexawsncsecuseseeudeee ceeeaus (225 
Arizona, northwestern. See Mohave County, Ariz. 
Arthurs Bluff, Tex., fossil plants collected at..................... 153 
Articulina byramensis Cushman, n. sp., descriptions of.-........ 103, 143 
byramensis, plate Showing.......0-.0--02---- eee eee eee n scenes 121 
Arundo groenlandica Heer?, description of.............2..2220--66- 213 
Asplenium dicksonianum Heer, description of..........--.-..++- 207-208 
Asterigerina subacute Cushman, n. sp., description Of se soagceuahs 100 
subacuta, plate showing....... is aduahesenmsacete Ediccereseurceee: 118 
B. 
Barietett, Howland, C10 wcicscvxsconeccinnceaniviensuandeeu aa manncmmadis 185 
Basalt resting on a conglomerate of basalt and other boulders near 
‘  ‘Poquerville, Utah, plate showing..........-..-2---+- . 67 
Bassler, Harvey, Reeside, John B., jr., and, Stratigraphic sections . 
in southwestern Utah and northwestern Arizona..... 53-77 
Beaver Dam Mountains, Utah, section in................. 
Bedding planes, classification of, difficulties in . . 
“Bellerophon limestone,” fossils collected in.............--200+++ 
Bend series, correlation of well sections with subdivisions of . 
difference between shales in.......-2.2---.-+eeceeeee eee eeeees 
position of oil sands in 
“ Smithwick lime?’ in-well borings from. . 
summary and conclusions on........ 
time required for lithologic work on. . 
unit A of well borings from......... 
unit B of well borings from....... 
units C and C’ of well borings from. 
unit D of well borings from. 
units E, F, and G of well borings from............. 
units H and I of well borings from... .. 
unit J of well borings from.............----2- ses eeeeeeee sugee vas 
Page. 
Bend series, units K and L of well borings from................-- 18-15 
volcanic origin of material from.......... 12 
white shale in well borings from 12 
Benzoin venustum (Lesquereux ) Knowlton, description of 171-172 
venustum, plate showing ...-........-.02cceeseceeeeee 18 
Berry, Edward Wilber, fossils determined by. . 153-154 
The flora of the Cheyenne sandstone of Kansas....... ---- 199-225 
The flora of the Woodbine sand at Arthurs Bluff, Tex ...... 153-181 
Big Horn Mountains, Ariz., hills of chloritic schist at north end 
of, plate showing..........0....c0.0eceeeee eee e ee ee ees 184 
Billoculina ornata D’ Orbigny, description of. 143 
ornata, plate showing............... 150 
sp.?, description of..... 105 
sp.?, plate showing. we 122 
Bingen sand, relation of flora of, to that of the Woodbine sand.. 156-157 
Black Butte, Ariz., plate showing.............-.....-..-02- 185 
Black Rock Canyon, Ariz., section in. - 70 
Black Rock Spring, Ariz., section near.... - 7 
Bloomington, Utah, sections on Virgin River near 75-76, 77 
Bloomington dome, Utah, section at..-............. 74 
Bolivina amygdalacformis H. B. Brady, description of.. . ol 
amygdalacformis, plate showing.............-...+ 109 
cookei Cushman, u. sp., description of.. 126 
PAO SHOWIN E sae prcekeun xen ne - 146 
frondea Cushman n. sp., description of....... 126-127 
Plate SHOWING .......- 0 00veeecnnersceeseanane 146 
misstssippiensis Cushman n. sp., description of. . 92 
PlateSWOWING oc esveesegevssnueveennenwrs 109 
nitida H. B. Brady, description of......... 91 
plate showing................- 109 
-robusta H. B. Brady, description of.. 91-92 
' vicksburgensis Cushman, n. sp., description of.. - 126 
plate showing.................0..02-0005 146 
ef. B. punctate D’ Orbigny, description of. . 126 
Brachyphyllum macrocarpum formosum Berry, description of... "160-161 
macrocarpum formosum, plate showing ....... eaisincemisemccee tae 181 
Bulimina ovata D’ Orbigny?, description of... . 92 
ovata, plate showing...............2...--- 110 
pupoides D’ Orbigny, description of.............-..---.. wee 4297 
plate ShOwING woscewi. ceed esscmveu sions sheeeeeneeeeties sas 146 
Buliminella contraria (Reuss) Cushman, description of............ 128 
subteres H. B. Brady var. angusta Cushman, n. var., descrip- 
PION OL ie sisicie. ese ewissiciscr\i a eeicddinemecensimeaieniac cons 127-128 
plate showing..... 146 
Bullrush, Ariz., section near... 2 70 
Byram, Miss., fossils found near. -. 83-85 
Byram calcareous marl, deposition of.. 88 
exposures of, at Byram, Miss. . 81 
at Woodwards, Miss... 82 
near Vicksburg, Miss... 80-81 
on Leaf River, Miss... 7 82 
fauna of, descriptions of...........-. -- 89-105 
occurrence of...... 81, 82-85 
relationships of.. . 87-88 
features of......... Seco - 79-80 
foraminifera found in, at the type station................... 124-125 
Cc. 
Caliche, occurrence of, in the lower Gila region, Ariz.............. 190 
Car polithus belviderensis Berry, a. sp., description of. . 224 
belviderensis, plate showing. .-. 225 
sp. 1, description of...... 179 
sp.2, description of.. 180 
plate showing... 181 
sp. 3, description of.............2 2.2222 e cece cece eee eece ec eeeee 180 
plate showing.............22222... ssn PN MN nua RO naetadcee tia 181 
Cartesian coordinates, disadvantages of. . 41 
Casey, T. L., cited ............0. 0c cece eee n ee 79 
