weeks.] PALEONTOLOGY, PETROLOGY, AND MENERALOGY, 1894. 135 
Paleontology— Continued. 
Genera and species described — Continued. 
Rhynchospira Hall, Hall and Clarke, 236. 
(Homceospira Hall), Hall and Clarke, 236. 
Rhynchotrema Hall, Hall and Clarke, 236. 
Rhynchotreta Hall, Hall and Clarke, 236. 
Rhyncorthoceras, Hyatt, 305. 
Rhynoceroses, Osborn and Wortman, 433?*. 
Rhytimya byrnesi, Ulrich, 570. 
compressa n. sp., Ulrich, 570. 
convexa n. sp., Ulrich, 570. 
mickleboroughi, Ulrich, 570. 
oehana n. sp., Ulrich, 570. 
producta n. sp., Ulrich, 570. 
radiata n. sp., UMch, 570. 
Richthofenia Kayser Hall and Clarke, 236. 
Rondairia quadrans n. sp., Cragin, 102. 
Saccocrinus benedicti n. sp., Miller, 413. 
howardi n. sp., Miller, 413. 
Salix purpuroides n. sp., Hollick, 280. 
Salvinia elliptica Newby n. sp., Hollick, 281. 
Saxicava 
bilineata, Whitfield, 628. 
mysefornrus, "Whitfield, 628. 
paralis, Whitfield, G28. 
Scalaria multistriata, Whitfield, 628. 
Scapharca snbrostrata, Whitfield, 628. 
Scaphiocrinus lyoni n. sp., Miller, 413. 
maniformisn. sp., Miller, 413. 
Scaphites, Hyatt, 305. 
Schizodus chesterensis, Whitfield, 629. 
Schroederoceras 
angulatuni, Hyatt, 305. 
bandonis, Hyatt, 305. 
casinensis, nyatt, 305. 
damesi, nyatt, 805. 
denckehnanni, nyatt, 305. 
eatoni, Hyatt, 305. 
rarospira, Hyatt, 305. 
saemanni, nyatt, 305. 
teres, nyatt, 305. 
tubulatnm n. sp., Hyatt, 305. 
Sciponocei-as, Hyatt, 305. 
Seminula dawsoni n. sp., Hall and Clarke, 235. 
rogersi n. sp., Hall and Clarke, 235. 
Sequoia pagiophylloides n. sp., Fontaine, 200. 
Sieberella Oehlert, Hall and Clarke, 236. 
Solenochilus blairi n. sp., Miller, 413. 
Spermatodus pustulosus n. gen.et sp.,Copo, 
95. 
Sphajrexochus pisum n. sp., Foerste, 197. 
Sphenolepidium sternbergianum var. densi- 
folium Font., Fontaine, 200. 
Sphenolium cuneiforme S. A. Miller, Miller 
and Faber, 415. 
Sphenopteris valdensis Heer?, Fontaine, 200. 
Spiladonryia Scudder, Scudder, 502. 
simplex, Scudder, 502. 
Spirifer Sowerby, Hall and Clarke, 236. 
canandaiguai n. sp., Hall and Clarke, 235. 
crispatus n. sp., Hall and Clarke, 235. 
disjunctus var. sulcifer n. var., Hall and 
Clarke, 235. 
nmcronahis var. posterus n. var., Hall 
and Clarke, 235. 
newberryi, Hall and Clarke, 235. 
Paleontology — Continued. 
Genera and species described — Continued. 
Spirifer Sowerby, etc. — Continued. 
williamsi n. sp., Hall and Clarke, 235. 
(Cyrtia Dalman), Hall and Clarke, 236. 
Spirifera maia, Whitfield, 629. 
rockymontana ?, Whitfield, 629. 
vanuxemi Whitfield, 629. 
ziczac, Whitfield, 629. 
(Martinia) contracta, Whitfield, 629. 
(Martinia) lineata, Whitfield, 629. 
Spiriferina D'Orbigny, Hall and Clarke, 236. 
Spirorbis anthracosia. Whitfield, 629. 
Spondylus inornatus n. sp., Whitfield, 628. 
Steganocrinus benedicti n. sp., Miller, 413. 
Stenoschisma Conrad, Hall and Clarke, 236. 
Stephanocrinus cornetti n. sp., Miller, 413. 
Straparollus similis, Whitfield, 629. 
(cf. Orlostoma) incarinatum n. sp., 
Foerste, 197. 
Streptodicus n. gen., Miller, 413. 
indianensis n. sp., Miller, 413. 
Streptorhynchus crassum, Whitfield, 629. 
flabelluni, Whitfield, 629. 
hydraulicum, Whitfield, 629. 
Striarca Conrad, Whitfield, 628. 
Striatopora gorbyin. sp., Miller, 413. 
Stribalocystites gorbyi n. sp., Miller, 413. 
Stricklandinia Billings, Hall and Clarke, 236. 
Stringocepkalus Defrance, Hall and Clarke, 
236. 
Strombina (Amyela) lrevis n. sp., Whitfield, 
628. 
Strophomena (Orthothetes) hanoverensis, 
Foerste, 197. 
(Orthothetes) tenuis, Foerste, 197. 
(Strophonella) patenta, Foerste, 197. 
Strophonella costalula n. sp., Hall and Clarke, 
235. 
crassan. sp., Rowley, 481. 
Stylastrea anna, Whitfield, 629. 
Styptobasis aculeatan. sp., Cope, 95. 
Subulites dircctus n. sp., Foerste, 197. 
(Polyphemopsis) plani-lateralis, n. sp., 
Foerste, 197. 
Suessia Deslongchamps, Hall and Clarke, 236. 
Surcula parva (?), Whitfield, 628. 
Symniorium reniforme Cope, Cope, 95. 
Syndosyma ( ?) nuculoides, Whitfield, 628. 
Synocladia rectisyla, Whitfield, 629. 
Syntrophia Hall, Hall and Clarke, 236. 
Syringoceras n. gen., Hyatt, 305. 
SyringothyrisWinchell, nail and Clarke, 236. 
missouri n. sp., Hall and Clarke, 235. 
Systrophoceras n.gen., Hyatt, 305. 
Tanyops undans, Marsh, 400. 
Tapes belviderensis n. sp., Cragin, 102. 
Tarphyceras n. gen., Hyatt, 305. 
aucoini n. sp., Hyatt, 305. 
champlainese Hyatt, 305. 
convolvens Hyatt, 305. 
extensuni Hyatt, 305. 
prematurum n. sp., Hyatt, 305. 
Taxocrinus concavus, Rowley, 481. 
Taxus baccata L., var. canadensis Gray, Pern 
hallow, 450. 
