284 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 189. 
Paleontology— Continued 
Genera and species described — Continued. 
Stictoeella, Simpson, 4983. 
. Stictopora Hall, Grabau, 2086. 
Stictopora, Simpson, 4983. 
palmipes Hall, Grabau, 2086. 
permarginata Hall, Grabau, 2086. 
recta Hall, Grabau, 2086. 
sinuosa Hall, Grabau, 2086. 
sp.?, Clarke, 971. 
Stictoporella n. gen., Simpson, 4983. 
(?) sp., Girty, 2038. 
Stietoporina n. gen., Simpson, 4983. 
Stigmaria evenii Lx., White, 6050. 
verrucosa (Martin) S. A. Miller, White, 
6050. 
Stiraderes n. gen., Scudder, 4890. 
conradi, Scudder, 4890. 
Stomatia intermedia n. sp., Cooper, 1071. 
Stomatopora, Simpson, 4983. 
Stomatopora Bronn, Ulrich, 5537. 
canadensis n. sp., Whiteaves, 6087. 
inflata Hall, Ulrich, 5537. 
proutana S. A. Miller, Ulrich, 5537. 
tenuissima Ulrich, Ulrich, 5537. 
turgida Ulrich, Ulrich, 5537. 
Stomechinus hyatti Clark, Clark, 892. 
Stramentum n. gen., Logan, 3553. 
Stramentum, Logan, 3554. 
hawarthii Williston, Logan, 3554. 
haworthi n. sp., Logan, 3553. 
tabulatumn. sp., Logan, 3553, 3554. 
Straparollina obtusa n. sp., Whiteaves, 6074. 
remota Billings, Grabau, 2092. 
Straparollus Montfort, Grabau, 2086. 
Straparollus Montfort, Keyes, 3062. 
ammon (White and Whitfield), Keyes, 
3062. 
ammon (W. & W.), Weller, 6006. 
angularis n. sp., Weller, 6006. 
blairi n. sp., Miller, 3992. 
catilloides (Conrad), Keyes, 3062. 
claytonensis n. sp., Calvin, 684. 
clymenioides Hall?, Girty, 2039. 
latus (Hall), Keyes, 3062. 
macromphalus Win., Weller, 6006. 
missouriensis n. sp., Miller and Gurley, 
4002. 
obtusus (Hall), Keyes, 3062. 
parva n. sp., Cleland, 1012. 
pernodosus Meek and Worthen, Keyes, 
3062. 
planidorsatus Meek and Worthen, Keyes, 
3062. 
pristiniformis n. sp., Calvin, 684. 
rudis Hall, Grabau, 2086. 
similis, Whitfield, 6099. 
spergenensis (Hall), Keyes, 3062. 
utahensis Hall and Whitfield, Girty, 2038. 
valvataformis Shumard, Keyes, 3062. 
(cf. Oriostoma) incarinatum n. sp., 
Foerste, 1835. 
? sp., Weller, 5994. 
Streblotrypa Ulrich, Grabau, 2096. 
Streblotrypa, Simpson, 4983. 
liamiltonense (Nicholson), Grabau, 2086. 
striatopora n. sp., Rogers, 4656. 
Paleontology— Continued. 
Genera and species described — Continued. 
Streblotrypa ulrichi n. sp., Rogers, 4656. 
Strenuella, Matthew, 3789. 
(?) attleborensis, Shaler and Foerste, mut. 
vigilans n. mut., Matthew, 3789. 
strenua (Billings), Grabau, 2092. 
strenua Billings sp., mut. robusta n. mut., 
Matthew, 3789. 
Strepsidura ficus Gabb, Harris, 2307. 
ficus Gabb, Aldrich, 73. 
heilprini n. sp., Aldrich, 73. 
heilprini, Harris, 2310. 
(?) mediavia n. sp., Harris, 2310. 
pachecoensis n. sp., Stanton, 5198. 
Strepsodus Hardingi (Dawson), Hay, 2388. 
arenosus n. sp., Hay, 2388. 
dawsoni, n. sp., Hay, 2388. 
Streptelasma Hall, Grabau, 2086. 
Streptelasma, Hall, 2266. 
Streptelasma, James, 2881. 
Streptelasma Hall, Winchell and Schuchert, 
6318. 
breve n. sp. (Ulrich), Winchell and 
Schuchert, 6318. 
corniculum, James, 2881. 
corniculum Hall, Keyes, 3061. 
corniculum Hall, Sardeson, 4803. 
corniculum Hall, Winchell and Schu- 
chert, 6318. 
(?) parasiticum n. sp. (Ulrich), Winchell 
and Schuchert, 6318. 
profundum (Owen), Sardeson, 4803. 
profundum (Conrad MS.) Owen, Winchell 
and Schuchert, 6318. 
rectum Hall, Grabau, 2086. 
robustum n. sp., Whiteaves, 6083. 
robustum Whiteaves, Whiteaves, 6087. 
rusticum Billings, Winchell and Schu- 
chert, 6318. 
strictum Hall, Girty, 2034. 
ungula Hall, Grabau, 2086. 
waynense (Safford), White, 6040. 
sp. Girty, 2039. 
Streptis Davidson, Hall and Clarke, 2260. 
Streptodicus n. gen., Miller, 3995. 
indianensis n. sp., Miller, 3995. 
Streptorhynchus King, Hall and Clarke, 2260. 
crassum, Whitfield, 6099. 
crenistria (Phillips), Keyes, 3062. 
flabellum, Whitfield, 6099. 
hydraulicum, Whitfield, 6099. 
lens White, Keyes, 3062. 
ulrichi n. sp., Hall and Clarke, 2260, 2268. 
williamsi n. sp., Weller, 5986. 
Strepula Jones and Hall, Grabfl'i, 2086. 
sigmoidalis Jones, Grabau -083. 
Striarca Conrad, Whitfield, 6101. 
Striatopora Hall, Lambe, 3374. 
carbonaria White, Keyes, 3061. 
flexuosa Hall, Lambe, 3374. 
gorbyi n. sp., Miller, 3995. 
linneana Billings, Lambe, 3374. 
Stribalocystites gorbyi n. sp., Miller, 3995. 
sphseroidalis n. sp., Miller and Gurley, 
3997d. 
tumidus n. gen. et sp., Miller, 3992. 
