286 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 189. 
Paleontology— Continued. 
Q t in ra and species described — Continued. 
Strotocrinus glyptus Hall, Wachsmuth and 
Springer, 5765a. 
regalis (Hall), Keyes, 3061. 
venustus n. sp., Miller and Gurley, 3997a. 
Strybalocystis? elongatus n. sp., Rowley, 
4677. 
missouriensis n. sp., Rowley, 4677. 
Stylarea von Seebach, Lambe, 3374. 
parva Billings (sp.), Lambe, 3374. 
Stylastrea anna, Whitfield, 6099. 
Stylina collinsi n. sp., Gregory, 2171. 
Stylinodon cylindrifer Cope, Wortman, 6492. 
mirus Marsh, Wortman, 6492. 
minis, Marsh, 3706. 
Styliola prirnseva n. sp., Matthew, 3746. 
Styliolina Karpinsky, Grabau, 2086. 
fissurella Hall, Grabau, 2086. 
spica (Hall), Grabau, 2086. 
Stylocoenia duerdeni n. sp., Vaughan, 5734. 
Stylonurus lacoanus, Beecher, 380, 383. 
Stylophora minutissima n. sp., Vaughan, 5735. 
ponderosan. sp., Vaughan, 5735. 
Styplobasis knightiana Cope n. gen. et sp., 
Cope, 1076. 
Styptobasis aculeata n. sp., Cope, 1093. 
Subclymenia d'Orbigny, Hyatt, 2816. 
Subulites Conrad, Ulrieh and Scofield, 5541. 
beloitensis n. sp., Ulrieh and Scofield, 5541. 
benedicti n. sp., Miller, 3992. 
canadensis n. sp., Ulrieh and Scofield, 
5541. 
compactus Whiteaves, Whiteaves, 6080. 
compactus? var., Whiteaves, 6080. 
conradi n. sp., Ulrieh and Scofield, 5541. 
directus n. sp., Foerste, 1835. 
dixonensis n. sp., Ulrieh and Scofield, 
5541. 
elongatus Conrad, Keyes, 3062. 
nanus n. sp., Ulrieh and Scofield, 5541. 
parvus n. sp., Ulrieh and Scofield, 5541. 
pergracilis n. sp., Ulrieh and Scofield, 
5541. 
regularis n. sp., Ulrieh and Scofield, 5541. 
(Polyphemopsis) plani-lateralis n. sp., 
Foerste, 1835. 
sp. undet., Ulrieh and Scofield, 5541. 
Suessia Deslongchamps, Hall and Clarke, 
2264. 
Surcula crenatospira n. sp., Cooper, 1071. 
gabbi, Aldrich, 74. 
inconstans n. sp., Cooper, 1071. 
monilifera n. sp., Cooper, 1071. 
nasuta Whitf., Harris, 2316. 
parva (?) Whitfield, 6101. 
perobesa n. sp., Whitfield, 6097. 
strigosa, Whitfield, 6097. 
Surculites annosus, Whitfield, 6097. 
cadavarosus n. sp., Whitfield, 6097. 
curtus n. sp., Whitfield, 6097. 
Surirella woolmaniana peticolas n. sp., Boyer, 
518. 
Sycium cloacinum Cope, Cope, 1104. 
Syllomus crispatus n. gen. et sp., Cope, 1100. 
Symbathocrinus dentatus Owen and Shu- 
mard, Keyes, 3061. 
Paleontology— Continued. 
Gi ii< ra mill species described — Continued. 
Symbathocrinus wortheni Hall, Keyes, 3061. 
Symmorium reniforme Cope, Cope, 1093. 
Synaptophyllum n. gen., Simpson, 4984. 
Synbathocrinus angularis n. sp., Miller and 
Gurley, 3997c. 
illinoisensis n. sp., Miller and Gurley, 
3999. 
Synconodon n. gen., Osborn, 4205. 
sexicuspis n. sp., Osborn, 4205. 
Syndosyma (?) nuculoides, Whitfield, 6101. 
Synocladia, Simpson, 4983. 
rectisyla, Whitfield, 6099. 
Syntomostyles n. nom., Scudder, 4890. 
rudis, Scudder, 4890. 
Syntrilasma hemiplicata (Hall), Keyes, 3062. 
Syntrophia Hall, Hall and Clarke, 2261a, 2264. 
palmata n. s., Cleland, 1012. 
Syringoceras n. gen., Hyatt, 2819. 
Syringolites Hinde 1879, Lambe, 3374. 
huronensis Hinde, Lambe, 3374. 
Syringopora, Girty, 2032. 
Syringopora Goldfuss, Lambe, 3374. 
aculeata n. sp., Girty, 2038. 
bifurcata Lonsdale, Lambe, 3374. 
compacta Billings, Lambe, 3374. 
dalmanii Billings, Lambe, 3374. 
harveyi? White, Keyes, 3061. 
hisingeri Billings, Lambe, 3374. 
infundibula Whitfield, Lambe, 3374. 
intermedia Billings, Lambe, 3374. 
maclurei Billings, Lambe, 3374. 
multattenuata McChesney, Keyes, 3061. 
nobilis Billings, Lambe, 3374. 
perelegans Billings, Lambe, 3374. 
ramulosa Goldfuss, Lambe, 3374. 
reticulata Goldfuss, Lambe, 3374. 
retiformis Billings, Lambe, 3374. 
surcularia n. sp., Girty, 2038. 
verticillata Goldfuss, Lambe, 3374. 
Syringostoma barretti n. sp., Girty, 2034. 
centrotum n. sp., Girty, 2034. 
consimile n. sp., Girty, 2034. 
foveolatum n. sp., Girty, 2034. 
microporum n. sp., Girty, 2034. 
Syringotheris Winchell, Hall and Clarke, 2261, 
2264. 
carteri Hall, Girty, 2038. 
carteri (Hall), Keyes, 3062. 
carteri (Hall), Weller, 5994. 
extenuatus (Hall), Weller, 6006. 
missouri n. sp., Hall and Clarke, 2261a, 
2263, 2268. 
pharovicina Win., Lane, 3400. 
plena (Hall), Keyes, 3062. 
Syrnola dalli Coss. var., Harris, 2316. 
trapaquara n. sp., Harris, 2307, 2316. 
Systemodon Cope, Wortman, 6489. 
primsevus n. sp., Wortman, 6489. 
semihians Cope, Osborn and Wortman, 
4180. 
tapirinus Cope, Osborn and Wortman, 
4180. 
Systrophoceras n. gen., Hyatt, 2819. 
Tachinus sommatus n. sp., Scudder, 4900. 
Tachyporus nigripennis n. sp., Scudder, 4900. 
