PETROLOGY, AND MINERALOGY FOR 1892-1900. 
281 
Paleontology— Continued. 
Gt nera and species described — Continued. 
Sphaerobolus n. gen. prov., Matthew, 37(37. 
spissus (Billings), Grabau, 2092. 
spissus, Matthew, 3767. 
Sphaerodoma littonana (Hall), Keyes, 3062. 
medialia (Meek and Worthen), Keyes, 
3062. 
pinguis (Win.), Weller, 6006. 
ponderosa (Swallow) Keyes, 3062. 
primogenia (Conrad Keyes, 3062. 
Sphserophthalmus alatus Boeck, var. cana- 
densis, n. var., Matthew, 3751. 
Sphagiopora, Simpson, 4983. 
Sph cnia Turton, Dall, 1272. 
attcnnata n. sp., Dall, 1272. 
Sphenoccelus uintensis, Osborn, 4190. 
Sphenodiscus belviderensis Cragin, ('ragin, 
1132. 
var. mons clavatus, Cragin, 1132. 
comancheanus, Cragin, L132. 
dumblii n. sp., Cragin, 1115. 
emarginatus n. sp., Cragin, 1115. 
lenticularis Owen, Cragin, 1115. 
mentorianus, Cragin, 1132. 
roeineri n. sp., Cragin, 1115. 
serpentinus, Cragin, 1132. 
uddeni, Cragin, 1132. 
Sphserueaprina felixi n. sp., Boehm, 503a. 
icnki n. sp., Boehm, 503a. 
occidentalis Conrad sp., Boehm, 503a. 
Sphenolepidium kurrianum (Dunker) Beer, 
Fontaine, 1850. 
pachypliyllum?, Dawson, 1434. 
parcerainosuin Fontaine, Fontaine, 1850. 
sterobergianum var. densifolium Font., 
Fontaine, 1846, L847. 
Btembergianum (Dunk.) Heer, Ward, 
5846. 
Sphenoliuin S. A. Miller, Dlrich, 5539. 
cuneiforme S. A. Miller, Miller and Faber, 
3997. 
parallcluni n. sp., Ulrich, 5539. 
striatum n. s|>., Ulrich, 5539. 
Sphenophyllum Brongiart, White, 6040. 
bifurcatum Lx., White, 6052. 
cuneil'olium (Stb.) Zeill., White, 6049, 
(1052. 
cuneifolium (Sternb.) Zeill., White, 6040. 
emarginatum Brongn., White, 6050. 
lescuriaiunii n.sp., White, (1050. 
majus Brongn., White, 6040, (1050. 
suspectiun n. sp., White, 6049. 
tenerriiiium Ett. var. elongatum n. var., 
White, 6052. 
tenue n. sp., White, 6052. 
(Asterophyllites?) fascieulatum (Lx.), 
White, 6050. 
Sphenopteris asplenioides Sternb., White, 
6022. 
brittsii Lx., White, 6050. 
canneltonensis n. sp., White, 6050. 
eapitata n. sp., White, 6050. 
charophylloides (Brongn.) Presl., White, 
6050. 
corrugata Newb , Newberry, 4083. 
cristata (Brongn.) Presl., White, 6050. 
Paleontology— Continued. 
Genera and species described— Continued. 
Sphenopteris dadeana n. sp., White, 6052. 
(diplothmema) furcata Brongn., White, 
6052. 
divaricala(Goepp.)Gein and Gutb., White, 
6052. 
egyptiaca Emmons, W T ard, 5857. 
grevillioides Heer, Ward, 5846. 
harttii Dn., Ward, 0052. 
hildreti Lx., White, 0040. 
illinoisensis n. sp., White, 6050. 
kaercheri n. sp., White, 0052. 
lacoei n. sp.. White, (1040. 
lacoei i». w.. White, 6050. 
laliloba?, Dawson, 1 134. 
macilenta L. and H., White, 0040. 
microcarpa Lx., Ward, 6052. 
missouriensis n. sp., White, 0050. 
mixta Schimp., White, 0050. 
patentissima (Ett.) Schimp., White, 6052. 
pilosa Dn., White, 6052. 
pinnatifida I Lx. i, White, 0050. 
plurinervia Heer:, Fontaine, 1850. 
royi Lx., White. 0052. 
subcrenulata (Lx.), White, 6050. 
BUSpecta n. s] ... White, 0050. 
taffiin. sp.. White, 6049. 
valdeiisis liter'.', Fontaine, 1847. 
valdensis Heer, Fontaine, 1846. 
van ingeni n. sp., White, 0050. 
wardiana, n. sp., White, 0050. 
(Crossotheca) ophioglossoides (Lx.), 
White, 6050. 
i Hymenotheca i broadheadi n. Bp.,White, 
6050. 
Pseudopecopteris) obtusiloba Brongn., 
White, 0040. 
sp., White, 6050. 
Sphenotrochus claihornensis n. sp.,Vaughan, 
5735. 
nanus | Lea), Vaughan, 5735. 
Sphenotua Hall, Grabau, 2086. 
ffiOlus Hall, Fane, :>100. 
bicarinatus I Win.), Weller, 6006. 
bicostatUS n. Bp., Weller, 6006. 
bodenhenderi n. sp., Clarke, 976. 
gorceixi n. sp.. Clarke, 976. 
iowensis (Win.), Weller, 6006. 
rigidus (W. and W.) f Weller, 6006. 
sinuatus n. sp., Miller and Gurley, 4002. 
truncatus (Conrad), Grabitu, 2086. 
Sphenozamites rogersianus Fontaine, Ward, 
5857. 
Spiladomyia Seudder, Scudder, 4894. 
simplex, Scudder, 4894. 
Spiraxis Major, James, 2894. 
randalli, James, 2894. 
Spinalis choctavensis Aid., Harris, 2316. 
elongatoidca Aid., Aldrich, 73. 
elongatoidea Aid., Harris, 2316. 
Spirifer Sowerby, Grabau, 2086. 
Spirifer Sowerby, Hall and Clarke, 2264. 
angustus Hall, Grabau, 2086. 
arenosus Conrad, Clarke, 971. 
asper Hall, Grabau, 2086. 
audaculus (Conrad), Grabau, 2086. 
