INDEX. 231 
i d Page. t Page. 
Textularia folium Parker and Jones, description of .......-.--.--- 90-91 | Vaginulina legumen (Linnaeus) D’Orbigny var. Bins (D’ Orbigny) 
PINCH SROWINE ooo eco ccpnctamanncanene 108 Fornasini, plate showing.................----++- Sue 
mississippiensis, description of. . . 90, 125-126 | Vaughan, T. W., fossils determined by..............-.--------+-- 82 
plate showing................ .--. 108] Verneuilina spinulosa Reuss var. glabrata Cushman, u. var., de- 
subhauerii Cushman, description of. 89-90, 126 SCPIP TION Off wixiceiecteeisciate ce cists tote sites Heaths aisetervctsi sean 92 
plate showing...... 108 rectimargo Cushman, n. sp., description of..........---..----- 127 
tumidulum, description of Le 89, 125 PCO OWE sana conaranne chan ennpa canbe canoaeeeeacenens 4 146 
: plate showing 109 | Vertebralina advena Cushman, n. sp., description of...........-.-- 102 
Thickness ofstrata, graphic computation of, alinement chart for.. 44-46 advena, plate showing...........02.ceesceeecnc nena cee eeeeeee 118 
graphic computation of, data needed for Sp., escription Of 5 cic ciccce eworsiaee sins nnrwsienwric esc easninip cis 102 
geometric construction for........ plate showin pies on cmmie noses oS asseagassuaierseeneieseseee 119 
trigonometric formula for... SPs Gescrip tion: Ofecast ccc crise wecdscetossenseeeeententenees nee 140 
graphic representation of Viburnum robustum Lesquereux, description of.. 179 
mathematical analysis of. robustum, plate showing..........-...------- 181 
Toroweap Canyon, Ariz., section in. . 
Triangle, right, graphic solution Ofs ccs 
right, graphic solution of, preparation cant use of chart for. 
graphic solution of, alinement chart for. 
Tricalycites papyraceus Hollick, description o: 
papyraceus, plate showing . : 
Triloculina oblonga (Montagu) D’Orbigny, description of. 
oblonga, plate showing........-...-2-.-0-e-e-eeee eee 
peroblonga Cushman, n. sp., description of. . 
plate showing 
rotunda D’Orbigny, description of. . 
sculpturata Cushman, n. sp., description of. 
plate showing.-.............. 
trigonula (Lamarck) D’Orbigny, description of. 
Trochodendroides Berry, n. gen., description of..... 
rhomboideus (Lesquereux) Berry, description of.. 
plate showing..............2-- cee eee eee eee 
Truncatulina americana Cushman, description of. 
americana, plate showing........ 
var., description of...- 
byramensis Cushman, n. sp., description of. 
plate showing uous : 
lobatula (Walker and Jacob) sine description of.. 96, 135-136 
plate showing 
pseudoungeriana Cushman n. sp., deeesuae :) Coe eee 
plate showing ‘ 
vicksburgensis Cushman, n. sp., description of..........--.-- 136-187 
PSS SNOWING cs conenncosnwesnsannenew Meese ee 152 
U. 
Utah, southwestern. See Washington County, Utah. ; 
Uvigerina byramensis, Cushman, u. sp., descriptions of....... 95, 133-134 
byramensis, plate showing.........-.----2-2-e- cee e eee e cece es ~ 112 
pigmea D’ Orbigny, description of...-...... wistanehooeeechwaese, 134 
plate showing... ,....-.-.--+-+++++. ease wedeen ieeeee 149 
Vv. 
Vaginulina legumen (Linnaeus) D’Orbigny var. elegans (D’Or- 
bigny) Fornasini, description of.......... wisteesideigyems 93,131 
Vicksburg, Miss., exposures of Byram marl near... 
fossils found near.......-.-2..-.00---2-eee ee eee 
Vicksburg beds, early paleontologic work on 
Virgin City, Utah, sections west of 
Virgin limestone member of the Moenkopi, formation, fossils col- 
NCCC PROM 55 cist iascicisce:oaldin'nvordisiaaisiesieisie biclersielsabiaiae, belated 
Virgulina sp., description of Ms 
Sp:,; Plate SHOWING. jos iccisewnicenucinsisercrateswiewins oeesncieseiece 
w. 
Washington County, Utah, age of the formationsin--..........-. 66-69 
FOAEUTOS OF. -ose nce. sicsd:cisicisiorsse'on.0isie«.cieieieiciaieje.sin’s 
fossils collected in. 
general section of-. 54-56 
local sections in. . 69-77 
stratigraphy of.. 54-66 
structure of..........-..-- 54 
‘Washington dome, Utah, section in. -. 14 
White, David, acknowledgment to 22 
Widdringtonites reichii (Ettingshausen) Heer, erroneous identif- . 
eation of....-... wears 269, 210 
Wolf Hole, Ariz., section north o 75 
Woodbine, Tex., fossil plants collected at.. 153 
Woodbine sand, fauna of...... aa eicisesieeee, 155 
flora of, descriptions of.............. 159-180 
distribution of, in other formations. . -. 159 
early collections of.............-.-- wee. 153 
features of........... re 5 
nature and distribution of.............-. 154-155 
Woodwards, Miss., exposure of Byram marl at...........-.-.-... 82 
Woolsey Tank, Ariz., plate showing........... -.. 189 
bank of wash near, plate showing...............0...22.02006- 189 
Z. 
Zizyphus lamarensis Berry, description of. 170 
lamarensis, plate ShoWiNg...--.-...00-02ece eee e nee e cence eee 181 
