122 
BIBLIOGRAPHY AND INDEX OF l<t. A. GEOLOGY, [bull. 146. 
Paleontology— Continued. 
Genera and species described — Continued. 
Rhynchonella ? anticostensis Billings, Win- 
chell and Schuchert, 562. 
boonensis Shumard, Keyes, 258. 
capax (Conrad), Keyes, 258. 
dentata (Hall), Keyes, 258. 
missouriensis Shumard, Keyes, 258. 
uta (Marcou), Keyes, 258. 
Rhynchotrema Hall, Winchell and Schuchert, 
562. 
ainsliei N. H. Winchell, Winchell and 
Schuchert, 562. 
capax Conrad sp., "Winchell and Schuchert, 
562. 
inaequivalvis Castelnau, Winchell and 
Schuchert, 562. 
var. laticostata W. and S., Winchell 
and Schuchert, 562. 
Rhytophorus 
meekii, White, White, 535. 
priscus Meek, White, 535. 
Ricania antiqua, Scudder, 424. 
Ringicula trapaquara n. sp., Harris, 185. 
Rimella texana n. sp., Harris, 185. 
var. plena n. var., Harris, 185. 
Romingeria, Girty, 166. 
Roudaria (?) quadrans, Stanton, 459. 
Sacculina purpurea, Beecher, 40. 
Sagittaria 
latifolia Willd., Ward, 517. 
victor-masoni n. sp., Ward, 517. 
Salik minuta n. sp., Knowlton, 270. 
Sampsonocrinus n. gen., Miller and Gurley, 
346. 
hemisphericus n. sp., Miller and Gurley, 
346. 
Sannionites (Cameroceras) trentonense, Hy- 
att, 232. 
Sao hirsuta, Beecher, 40. 
Sapindus morrisoni Lesq., Lesquereux, 293. 
Sarcothraustes 
antiquus Cope, Osborn and Earle, 362. 
coryphaeus Cope, Osborn and Earle, 362. 
Sassafras cretaceum var. obtusum, Knowlton . 
272. 
mudgei, Knowlton, 272. 
(Araliopsis) dissectum symmetricum n. 
var., Hollick, 225. 
Sauranodon natans, Marsh, 313. 
Sbenaphis Scudder, Scudder, 424. 
quesneli, Scudder, 424. 
Scaphiocrinus 
missouriensis (Shumard), Keyes, 257. 
rusticellus (White), Keyes, 257. 
Scenidium Hall, Winchell and Schuchert, 562. 
anthonensis Sardeson, Winchell and 
Schuchert, 562. 
Schizambon Walcott, Winchell and Schuchert, 
562. 
? dodgii n. sp., Winchell and Schuchert, 
562. 
?lockii n. sp., Winchell and Schuchert,562. 
Schizoblastus savi (Shumard), Keyes, 257. 
Schizocrania Hall and Whitfield, Winchell 
and Schuchert, 562. 
filosa Hall, Winchell and Schuchert, 562. 
Paleontology— Continued. 
Genera and species described— Continued. 
Schizodus wheeleri (Swallow), Keyes, 258. 
harii Miller, Keyes, 258. 
SchizotretaKutorga, Winchell and Schuchert, 
562. 
minutula n. sp., Winchert and Schuchert, 
562. 
pelopea Billings sp., Winchell and 
Schuchert, 562. 
Schloebachia peruviana, Stanton, 459. 
Schmidtella cambrica n. sp., Matthew, 319. 
Scleropteris vernonensis n. sp., Ward, 517. 
Scutellaster cretaceus n. gen. et sp., Cragin, 
97. 
Scytalocrinus vanhornei (Worthen), Keyes, 
257. 
Septopora biserialis (Swallow), Keyes, 258. 
Sequoia 
langsdorfii (Brongniart) Heer, Knowlton, 
270. 
spinosa Newberry, Knowlton, 270. 
winchelli n. sp., Lesquereux, 293. 
Serpulites longissimus, n. var., Ami, 10. 
Shastasaurus pacificus n. sp., Merriam, 334. 
Shumardocrinus n. gen., Miller and Gurley, 
346. 
concinnus Shumard, Miller and Gurley, 
346. 
Sigmogomphius le contei n. gen. et sp., Mer- 
riam, 335. 
Siliqua simondsi n. sp., Harris, 185. 
Siphonaria capuloides n. sp., Cooper, 91. 
Siphonocetus clarkianus n. sp., Cope, 92. 
Siphonotreta de Verneuil, Winchell and 
Schuchert, 562. 
? minnesotensis Hall, Winchell and 
Schuchert, 562. 
Smilodon gracilis Cope, Cope, 95. 
Solarium 
bastropensis n. sp., Harris, 185. 
elaboratum vir biinixta, Aldrich, 8. 
huppertzi n. sp., Harris, 185. 
planiforme n. sp., Aldrich, **. 
Soleniscus Meek and Worthen, Keyes, 258. 
brevis (White), Keyes, 258. 
gracilis (Cox), Keyes, 258. 
missouriensis (Swallow), Keyes, 258. 
newberryi (Stevens), Keyes, 258. 
paludinaeformis (Hall), Keyes, 258. 
Solenopleura robbi, Beecher, 40. 
Solenopora compacta Billings, Winchell and 
Schuchert, 561. 
Solenopsis solenoides (Geinitz), Keyes, 258. 
Spatiopora Ulrich, Ulrich, 485. 
iowensis n. sp., Ulrich, 485. 
labeculosa n. sp., Ulrich, 485. 
Sphaerella ( ?) anteproducta n. sp., Harris, 185. 
Sphrerodoma 
littonana (Hall), Keyes, 258. 
medialis (Meek and Worthen), Keyes, 258- 
ponderosa (Swallow), Keyes, 258. 
primogenia (Conrad), Keyes, 258. 
Sphenocoelus uintensis, Osborn, 361. 
Sphenolepidium sternbergianum (Dunk.) 
Heer, Ward, 517. 
Sphenopteris grevillioides Heer, Ward, 517. 
