WEEKS. 
PKTROLOGY, AND MINERALOGY FOR 1892-1900. 
179 
Paleontology— Continued. 
Genera and species described— Continued. 
Athyris densa n. sp., Hall and Clarke, 2261a, 
2263, 2268. 
hannibalensis (Swallow), Keyes, 3062. 
incrassata Hall (?), Girty, 2038. 
incrassatus Hall, Keyes, 3062. 
lamellosa, Herrick and Johnson, 2465. 
lamellosa Leveille, Girty, 2038. 
lamellosa (Leveille), Weller, 5994. 
missouriensis n. sp., Miller, 3995. 
ottervillensis n. sp., Miller, 3995. 
spiriferoides (Eaton), Grabau, 2086. 
subquadrata Hall, Weller, 5986. 
subquadrata, Whitfield , 6099. 
subtilita, Whitfield, 609'.-. 
tenuilineata n. sp., Rowley, 4677a. 
vittata var., Girty, 2039. 
vittata Hall, Keyes, 3062. 
vittata var. triplicata n. var., Girty, 2038. 
(Actinoconchus) McCoy, Hall and Clarke, 
2261. 
(Cleiothyris?) sp., Weller, 5994. 
(Cliothyris) King, Hall and Clarke, 2261, 
2264. 
' (Seminula) McCoy, Hall and Clarke, 2261, 
2264. 
(Spirigerella) Waagen, Hall and Clarke, 
2261, 2264. 
Atlantosaurus, Marsh, 3701, 3702. 
Atocus n. gen., Scudder, 4889. 
defessus, Scudder, 4889. 
Atops, subgen., Matthew, 3789. 
trilineatus Emmons, Matthew, 3789. 
Atresius liratus Gabb, Stanton, 5199. 
Atrina argentea Conrad, Dall, 1272. 
harrisii n. sp., Dall, 1272. 
jacksoniana n. sp., Dall, 1272. 
rigida Dillwyn, Dall, 1272. 
serrata Sowerby, Dall, 1272. 
(Argentea?) chipolana n. sp.?, Dall, 1272. 
Atrypa Dalman, Grabau, 2086. 
Atrypa Dalman, Hall and Clarke, 2261, 2264. 
gregeri n. sp., Rowley, 4677a. 
lati-corrugata n. sp., Foerste, 1835. 
marginalis, Foerste, 1835. 
missouriensis Miller, Girty, 2038. 
occidentalis Hall. Keyes, 3062. 
reticularis Linne, Girty, 2038. 
reticularis (Linnseus), Grabau, 2086. 
reticularis (Linnseus), Keyes, 3062. 
spinosa Hall, Grabau, 2086. 
(Gruenewaldtia) Tschernysebew, Hall 
and Clarke, 2261, 2264. 
Atrypina Hall, Hall and Clarke, 2261, 2264. 
clintoni, Hall and Clarke, 2268. 
Attagenus sopitus n. sp., Scudder, 2900. 
Aturia morrissi Michelloti, Hyatt, 2819. 
vanuxemi, Whitfield, 6097. 
zizac, Bronn., Hyatt, 2819. 
Atys obscurata n. sp., Dall, 1269. 
cedemata n. sp., Dall, 1269. 
robustoides n. sp., Aldrich, 73. 
robustoides?, Harris, 2310, 2316. 
salina n. sp., Dall, 1269. 
(Acrostemma) gracilis n. sp., Dall, 1269. 
Aublysodon Leidy, Marsh, 3674. 
Paleontology— Continued. 
Genera and species described— Continued. 
Aucella Keyserling, Stanton, 5199. 
aviculseformis, Hyatt, 2818. 
crassifollis Keyserling, Stanton, 5199. 
elongata n. sp., Hyatt, 2818. 
errringtoni, var. arcuata, Hyatt, 2818. 
orbicularis, Hyatt, 2818. 
piochii Gabb, Stauton, 5199. 
Aucull8ea(Idonearca) terminalis n. var. rece- 
dens, Cragin, 1116. 
Aulacopella winnipegensisRauff, Whiteaves, 
6087. 
Aulacorhyncus Dittmar, Hall and Clarke, 
2261a, 2264. 
Auletes wymani, Scudder, 4890. 
Aulobaris anicilla, Scudder, 4890. 
circumscripta, Scudder, 4890. 
comminnuta, Scudder, 4890. 
damnata, Scudder, 4890. 
Aulocopella winnipegensis Rauff, 4549. 
Aulocopina granti, Walker, 5820. 
Aulocrinus agassizi, Springer, 5163. 
Aulonotreta Kurtoga, Hall and Clarke, 2260. 
Aulopora, Girty, 2032. 
Aulopora Goldfuss, Grabau, 2086. 
anna n. sp., Beede, 386. 
geometrica n. sp., Girty, 2038. 
gracilis n. sp., Keyes, 3061. 
prosseri n. sp., Beede, 386. 
cf. schoharie, Hall and Clarke, 971. 
serpens Goldf., Grabau, 2086. 
subtenuis Hall, Girty, 2034. 
? trentonensis n. sp., Winchell and Schu- 
chert, 6318. 
tubseformis Goldf., Grabau, 2086. 
Aulosteges von Helmersen, Hall and Clarke, 
2260. 
Auricula neumayri n. sp., White, 6035. 
Austriella Bittner, Hall and Clarke, 2264. 
Autodetus Lindstrom, Grabau, 2086. 
beecheri n. sp., Clarke, 942, 971. 
lindstroemi n. sp., Clarke, 942. 
lindstroemi Clarke, Grabau, 2086. 
Avalonia acadica n. sp., Matthew, 3761. 
Avellana bullata, Whitfield, 6097. 
bullata Mort., Harris, 2315. 
Avicula beedei n. sp., Logan, 3559. 
belviderensis n. sp., Cragin, lilt;. 
belviderensis, Stanton, 5197. 
disparn. sp., Cragin, 1118. 
gastrodes Meek, Herrick and Johnson, 
2465. 
gastrodes Meek, Logan, 3554. 
gastrodes Meek, Stanton, 5191. 
leveretti n. sp., Cragin, 1115. 
leveretti, Stanton, 5197. 
longa (Geinitz), Keyes, 3062. 
macronotus Meek, Logan, 3559. 
singleyi n. sp., Cragin, 1115. 
strigosa (White), Weller, 6006. 
whitfieldi, Foerste, 1835. 
whiteavesi Stanton, Whiteaves, 6095. 
wyomingensis n. sp., Stanton, 5206. 
(Oxytoma) whiteavesi n.sp., Stanton, 5199. 
sp., Harris, 2310, 2313. 
Avicularium Gray, Dall, 1281. 
