WEEKS. 
PETROLOGY, AND INERALOGY FOR 1892-1900. 
247 
Paleontology— Continued. 
Genera and species described— Continued. 
Obolus (Lingulella) hayesi n. sp., Walcott, 
5813. 
(Lingulella) helena n. sp., Walcott, 5813. 
ino sp., Walcott, 5813. 
lamborni var. minimus n. var., Wal- 
cott, 5813. 
leos n. sp., Walcott, 5813. 
lineolatus n. sp., Walcott, 5813. 
mosia var. osceola n. var., Walcott, 
5813. 
nanno n. sp., Walcott, 5813. 
oweni n. sp., Walcott, 5813. 
phaon n. sp., Walcott, 5813. 
pogonipensia n. sp., Walcott, 5813. 
prindlein. sp., Walcott, 5813. 
punctatus n. sp., Walcott, 5813. 
rogersi n.sp., Walcott, 5813. 
rotundatus n. sp., Walcott, 5813. 
similis n. sp., Walcott, 5813. 
sinoe n. sp., Walcott, 5813, 
tarpa n. sp., Walcott, 5813. 
willisi n. sp., Walcott, 5813. 
zetus n. sp., Walcott, 5813. 
(Lingulepsis) Hall, Walcott, 5816. 
acuminatus var. meeki, Walcott, 5816. 
Octacodon valens n. gen. etsp., Marsh, 3682, 
3689. 
Oculina alabamensis n. sp., Vaughan, 5735. 
aldrichi n. sp., Vaughan, 5735. 
harrisi n. sp., Vaughan, 5735. 
mississippiensis (Conrad), Vaughan, 5735. 
Bingleyi n. sp., Vaughan, 5735. 
(?) smithi n. sp., Vaughan, 5735. 
vicksburgcnsis (Conrad), Vaughan, 5735. 
Odontapsis elegans (Agassiz), ("lark, 906. 
Odontofusus n. gen., Whitfield, 6097. 
medians n. sp., Whitfield, 6097. 
rostellaroides n. sp., Whitfiela, 6097. 
slacki, Whitfield, 6097. 
typicus n. sp., Whitfield, 6097. 
Odontoperis ? bradleyi Lx., White, 6050. 
wortheni Lx., White, 6049. 
Odontophyllum n. gen., Simpson, 4984. 
Odontopleura parvula Walcott (sp.), ' s 77, 
Clarke, 952. 
Odontostomia insignifica n. sp., Aldrich, 74. 
Odontostornia (Syrnola) attenuata n. sp., 
Dall, 1259. 
caloosaensis n. sp., Dall, L259. 
Odontotrypa, Simpson, 4983. 
Oecotraustes denticulata n. sp., Hyatt, 2818. 
Oehlertella n. subgen., Hall and Clarke, 2260. 
Ogygia, Beecher, 366. 
Ogygia Brongniart, Matthew, 3788. 
(Ogygopsis) klotzi Roem., Matthew, 3788. 
Olcostephanus cepoides Whiteaves, Whit- 
eaves, 6095a. 
lindgreni n. sp., Hyatt, 2818. 
af. portlandicus de Loriol, Aguilera, 57. 
potosinus n. sp., Aguilera, 57. 
(Astieria) deansii n. sp., Whiteaves, 6077, 
(Polyptychites) trichotomus n. sp., Stan- 
ton, 5199. 
(Simbirskites) mutabilis n. sp., Stanton, 
6199. 
Paleontology— Continued. 
Genera and species described— Continued. 
Oldhamina Waagen, Hall and Clarke, 2260, 
2261a. 
Oldhamia fruticosa Hall, Whitfield, 6102. 
(Murchisonites) occidens n. p., Walcott, 
5800. 
Olenellus thompsoni (Hall) ?, Weller, 6004. 
walcotti (Shaler and Foerste), Grabau, 
2092. 
(Holmia) broggeri Walcott, Burr, 666. 
(Holmia) broggeri Walcott, Grabau, 2092. 
(Mesanocis) asaphoides, Beecher, 366. 
(Mesonacis) asaphoides (Emmons) (?), 
Grabau, 2092. 
(Mesonacis) asaphoides Emmons sp., 
Burr, 666. 
sp., Burr, 666. 
sp., Grabau, 2092. 
Oligocarpia alabamensis Lx., White, 6052. 
cf. gutbieri Goepp, White, 6050. 
missouriensis n. sp., White, 6050. 
Oligoporus bellulus n. sp., Miller and Gurley, 
3997a. 
blairi n. sp., Miller and Gurley, 3997a. 
coreyi, Jackson, 2871. 
coreyi Meek and Worthen, Keyes, 3077 
danse, Jackson, 2871. 
dana; (Meek and Worthen), Keyes, 3061, 
3077. 
? minutus n. sp., Beede, 394. 
missouriensis n. sp., Jackson, 2871. 
mutatusn. sp., Keyes, 3061, 3077. 
nobilis Meek and Worthen, Keyes, 3077. 
parvus Hambach, Keyes, 3077. 
sulcatus n. sp., Miller and Gurley, 3997a 
Oliva carolinensis, Whitfield, 6101. 
plicata n. sp., Guppy and Dall, 2214. 
reticularis, Harris, 2309. 
Olivella galvestonensis n. sp., Harris, 2309. 
indivisa n. sp., Guppy and Dall, 2214. 
lata n. sp., Dall, 1259. 
mediavia n. sp., Harris, 2310, 2316. 
nintica Say, Dall, 1259. 
subtexana n. sp., Harris, 2309. 
Ollacrinuspapillatus, Whitfield, 6098. 
Omileus evanidus, Scudder, 4890. 
Omospira n. gen., Ulrich and Scofield, 5541. 
alexandra Billings, Ulrich and Scofield, 
5541. 
laticinnota n. sp., Ulrich and Scofield, 
5541. 
Omphalocrinus manitobensis, Whiteaves, 
6074. 
Omphalophloios n. gen., White, 6046. 
cyclostigma (Lx.) D. W., White, 6050. 
Omphalotrochus springvalensis (White), 
Keyes, 3062. 
Omphyma eriphyle Billings sp., Lambe, 3375. 
Onchus rectus n. sp., Eastman, 1605. 
Oncocera carveri n. sp., Clarke, 953. 
douglassi n. sp., Clarke, 953. 
exiguum Billings, 1860, Clarke, 953. 
lycus Hall, 1861, Clarke, 953. 
magnum Whiteaves, Whiteaves, 6087. 
(magnum ? var.) intermedium, Whit- 
eaves, 6087. 
