WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
249 
Paleontology— Continued. 
Genera and species described — Continued. 
Orthis benedicti n. sp., Miller, 3992. 
burlingtonensis Hall, Keyes, 3062. 
callactis, Dalman, var. Amazonica, n. 
var., Clarke, 976. 
earausii, Matthew, 3746. 
corpulenta Sardeson, Sardeson, 4800. 
electra Bill., var. major, n. var., Matthew, 
3746. 
lsevis n. var., Matthew, 3746. 
emacerata Hall, Keyes, 3062. 
emacerata Hall, Sardeson, 4800. 
euryone Bill., var., Matthew, 3746. 
faustavar. squamosa, n. var., Foerste, 1835. 
flabellties var. spania, Hall and Clarke, 
2268. 
futilis n. sp., Sardeson, 4800. 
glypta n. sp., Hall and Clarke, 2261a, 2263. 
(?) glypta, Hall and Clarke, 2268. 
holstoni Safford, Hall and Clarke, 2260. 
(?) holstoni, Hall and Clarke, 2268. 
ignota n. sp., Sardeson, 4800. 
iowensis Hall, Keyes, 3062. 
iowensis ?, Lane, 3400. 
meedsi, Winchell and Schuchert, 6298. 
meedsi var. germana, Winchell and 
Schuchert, 6298. 
meeki S. A. Miller, Sardeson, 4800. 
menaplae (Hicks?) var., Matthew, 3746. 
multisecta Meek, Sardeson, 4800. 
orthambonites (Pander), .Matthew. 3746, 
panderiana, Hall and Clarke, 2268. 
pecosii Marcou, Keyes, 3062. 
porrecta n. sp., Sardeson, 1800. 
proavita, Winchell and Schuchert, 6298. 
? remnicha Winchell, Walcott. 5816. 
rogata Sardeson, Sardeson, 4800. 
safTordi n. sp., Hall and Clarke, 2260. 
(?) safTordi, Hall and Clarke, 2268. 
(?) sandbergi Winchell, Walcott, 5816. 
subaequata Conrad, Winchell and Schu- 
chert, 6319. 
circularis N. H. Winchell, Winchell 
and Schuchert, 6319. 
gibbosa Billings, Winchell and Schu- 
chert, 6319. 
perveta Conrad, Winchell and Schu 
chert, 6319. 
testudinaria Dalman, Winchell and 
Schuchert, 6319. 
var. conradi N. H. Winchell, Winchell 
and Schuchert, 6319. 
var. emacerata Hall, Winchell and 
Schuchert, 6319. 
meeki Miller, Winchell and Schu- 
chert, 6319. 
subquadrata Hall, Keyes, 3062. 
swallowi Hall, Keyes, 3062. 
tersa Sardeson, Sardeson, 4800. 
testudinaria Sardeson, 4800. 
tioga, Whitfield, 6099. 
tricenaria Conrad, Keyes, 3062. 
tricenaria Conrad, Winchell and Schu- 
chert, 6319. 
vanuxemi Hall, Lane, 3400. 
(Dalmanella) Hall, Winchell and Schu- 
chert, 6319. 
Paleontology— Continued. 
Genera and species described— Continued. 
Orthis (Dalmanella) arcuaria n. sp., Hall and 
Clarke, 2260, 2268. 
(Dalmanella) elegantula, Foerste, 1835. 
freitana n. sp,, Clarke, 976. 
hamburgenis ? Walcott, Winchell and 
Schuchert, 6319. 
smithi n. sp., Clarke, 976. 
superstes n.sp., Hall and Clarke, 2260, 
2268. 
(Dinorthis) Hull, Winchell and Schu- 
chert, 6319. 
deflecta Conrad sp., Winchell and 
Schuchert, 6319. 
pectinella (Emmons) Hall, Winchell 
and Schuchert, 6319. 
var. sweeneyi Winchell, Winchell 
and Schuchert, 6319. 
meedsi W. and S., Winchell and 
Schuchert, 6319. 
var.germana W. and S., Winchell 
and Schuchert, 6319. 
subquadrata Hall, Winchell and 
Schuchert, 6319. 
proavita W. and S., Winchell and 
Schuchert, 6319. 
(Hebertella) Hall, Winchell and Schu- 
chert, 6319. 
borealis Billings, Winchell and Schu- 
chert, 6319. 
?bellarugosa Conrad, Winchell and 
Schuchert, 6319. 
daytonensis, Foerste, L835. 
fausta, Foerste, 1835. 
( I irthis-Dinorthis) calligramma, Foerste, 
1835. 
(Plaesiomys) loricula n. sp.. Hall and 
Clarke, L"J(iU, 2268. 
(Platystrophia) King, Winchell and Schu- 
chert, 6319. 
biforata, Foerste, L835. 
biforata Schlotheim sp., Winchell and 
Schuchert, 6319. 
var. crassa James, Winchell and 
Schuchert, 6319. 
(Plectorthis) Hall, Winchell and Schu- 
chert, 6319. 
plicatella Hall, Winchell and Schu- 
chert, 6319. 
whitfieldi N. H. Winchell, Winchell 
and Schuchert, 6319. 
(Rhipidomella) hyhrida, Foerste, 1833. 
oweni n. sp., Hall and Clarke, 2260, 
2268. 
(Schizophoria)manitobensis (nom. pri >v.), 
Whiteaves, 6074. 
senecta n. sp., Hall and Clarke, 2260, 
2268. 
sp., Girty, 2039. 
Orthoceras, Clarke, 940. 
Orthoceras, Breynius, Grabau, 2086. 
Orthoceras, Foerste, 1833. 
Orthoceras Hyatt. 2820. 
albersi S. A. Miller, Miller and Faber, 3997. 
cf. amplicameratum Hall, 1847, Clarke, 953. 
anellus Conrad, 1843, Clarke, 953. 
