WEEKS.] 
PETROLOGY, AND MINERALOGY EOR 1892-1900. 
279 
Paleontology— Continued. 
Genera and species described — Continued. 
Seythropus subterraneus, Scudder, 4890. 
Scytalocrinus vanhornei (Worthen), Keyes, 
3061. 
Seelya n. gen., Ulrich and Scofield, 5541. 
mundula n. sp., Ulrich and Scofield, 5541. 
Selaginella falcata, Lx., emend, Knowlton, 
3264. 
Selenella n. gen., Hall and Clarke, 2261a. 
gracilis, Hall and Clarke, 2261a, 2268. 
Iaciniata Lx., Knowlton, 3264. 
Selenopora, Simpson, 4983. 
Scinaeostomites zitteli Haeckel, Walcott, 5811. 
Semele Schumacher, Dall, 1281. 
alumensis n. sp., Dall, 1281. 
bella Conrad, Dall, 1281. 
bellastriata Conrad, Dall, 1281. 
burnsii Whitfield, Dall, L281. 
carinata Conrad, Dall, 1281. 
chipolana n. sp., Dall, L281. 
c\ thereoidea n. sp., Dall, 1281. 
leana n. sp., Dall, 1281. 
mutica n. sp., Dall, 1281. 
Quculoidea Conrad, Dall, L281. 
perlamellosa Beilprin, Dall, L281. 
proficua Pulteney, Dall, L281. 
purpurascens Gmelin, Dall, L281. 
subovata Say, Dall, 1281. 
silicata n. sp., Dall, L281. 
smithii n. sp., Dall, L281. 
Semicoscinium, Simpson, i 
Seminula bisinuata n. sp., Rowley, 1677a. 
dawsoni n. sp., Hall and Clarke, 2261a, 
2263, 2268. 
humulis n. sp., Girty, 2038. 
immatura n. sp., Girty, 2038. 
madisonensis a. sp., Girty, 2038. 
var. pusilla n. var., Girty, 2038. 
rogersi n. sp., Hall and Clarke, 2261a, 2263, 
2268. 
see Athyris (Seminula) McCoy, Hall and 
Clarke. 2261. 
Semipora, Simpson, 1983. 
Septopora, Simpson, 1983. 
biserialis (Swallow), Keyes, :i062. 
Sequoia angustifolia '.' Lx., Knowlton, 3246. 
brevifolio Heer, Know Iton, 3264. 
couttsie Heer, Knowlton, 3255, 3262. 
gracilis Heer, Fontaine, 1850. 
gracillima I Lesq. i New i>.. Newberry 4080, 
4083. 
heerii Lesq., Newberry, ins:;. 
heterophylla Vel., Newberry, 4080. 
langdorffii Heer, Dawson. I 136. 
langsdorlii (Brongn.) Heer, Knowlton, 
3255. 
langsdorfii (Brongniart) Heer, Knowlton, 
3232, 32(12. 
magnified n. sp., Knowlton, 3255. 
nordenskioldii Heer?, Newberry, 4083. 
pagiophylloides n. sp., Fontaine, 1846, 
1847. 
reichenbachi (Geinitz) Heer, Fontaine, 
1850. 
reichenbachi (Gein.) Heer, Hollick, 2698. 
reichenbachi (Gein.) Heer (?), Newberry, 
Paleontology— Continued. 
Genera <m>! species described— Continued. 
Sequoia spinosa Newberry, Knowlton, 3232. 
spinosa Newb., Newberry, 4083. 
winchelli n. sp., Lesquereux, 3472. 
sp. Fontaine, 1850. 
sp. Knowlton, 3264. 
Serpula granifera, Say, 4813. 
intrica White, Logan, 3554. 
intrica White. Stanton, 5191. 
paluxiensis n. sp., Hill, 2539. 
plana n. sp., Logan, 3554. 
tenuicarinata M. & H., Logan, 3554. 
sp. Clark, 906. 
Serpulitesdissolutus Billings, Whit eaves, 6087. 
longissimus n. var., Ami. 88. 
Serpulorbus ballistse, Dall (granifera var.?), 
Dall, 1259. 
granifera tenera Dall. Dall. 1259. 
sylva-rupis n. sp., Harris, 2316. 
Serrifusus crosswickensis n. sp., Whitfield, 
6097. 
i Lirofusus) nodocarinatus n. sp., Whit- 
field, 6097. 
n pes Beck, Dall, 1281. 
gronlandicus Beck, Dall, 1281. 
laperousii Deshayes, Dall, 1281. 
stasaurus pacificus n. sp., Merriam, 3915. 
Shumardocrinus n. gen., Miller and Gurley, 
concinnus Shumard, Miller and Gurley, 
Sibynes whitneyi, Scudder, 1890. 
Si i lerastrea hexagonal is, n. sp.,Vaughan, 5735. 
Sieberella Oehlert, Hall and Clarke, 2261a, 
2264. 
poemeri, Hall and Clarke, '-"-'tis. 
Sigaretus bilix Con.. Harris. 2316. 
chipolanua n. sp., Dall, L259. 
costatus n. sp., i looper, 1072. 
declivus Con., Harris, 2315, 2316. 
multiplicatus n. sp.. Dall, L259. 
textilis n. sp., Stanton, 5191. 
(Eunaticina) textiles, Stanton, Derrick 
and Johnson, 2465. 
(Sigaticus) clarkeanus Aid., Aldrieh, 73. 
Sigillaria, Dawson, 1 155. 
Sigallaria Brongn., White, 6040. 
sigillarioides i Lx. i White. 6050. 
(Asolanus) camptotsenia, 11. C. Wood, 
White, <:ai^. 
Sigmogomphius lecontei n. gen. et sp., Mer- 
riam, 3917. 
Siliqua Megerle, Dall, 1281. 
huerfanensis. Stanton, Derrick and John- 
son, 2465. 
huerfanensis q. S p., Stanton, 5191. 
nuttallii Conrad, Dall, 1281. 
(patula Dixon var.?) oregonia, Dall, Dall, 
1281. 
simondsi n. sp., Harris, 2307. 
subequalis Gabb, Dall, 1281. 
Siliquatia pauperata n. sp., Whitfield, 6097. 
Silpha colorata n. sp., Scudder, 4900. 
Sipho erecta n. sp., Aldrieh, 73. 
? erecta Aid., Harris, 2315. 
tuomeyi Aid., Harris, 2316. 
