PETROLOGY, AND MINERALOGY FOR 1892-1900. 
243 
Paleontology— Continued. 
Genera and species described — Continued. 
Murex chrysostorua Gray var. chipolana Dall, 
Dall, 1259. 
elegantissimus n. sp., Aldrich, 73. 
fusates n. sp., Harris, 2307. 
marksi n. sp., Harris, 2305, 2311. 
mississippiensis Conrad, Dall, 1259. 
morulus Con., Harris, 2311. 
shilohensis, Whitfield, 6101. 
shilohensis var. burnsi n. var., Whiifield, 
6101. 
(Chicores?) burnsii Whitfield, Dall, 1259. 
micromeris n. sp., Dall, 1259. 
(Odontopolys) eompsorhytis Gabb, Har- 
ris, 2307. 
(Pteronotus) burnsii n. sp., Aldrich, 71. 
laevavaricosus n. sp., Whitfield, 6097. 
matthewsensis, Harris, 2310. 
textilis Gabb, Dall, 1259. 
(Pterorhytis) conradi, Dall, 1259. 
umbrifer Conrad, Dall, 1259. 
Muricidea floridana Conrad, Dall, 1259. 
imbricatula, Harris, 2316. 
multangula Pbilippi, Dall, 1259. 
spinulosa Heilprin, Dall, 1259. 
Musophyllum eomplieatum Lx., Knowlton- 
3255. 
Mustela, diluviana ('ope. Cope, 1104. 
Mya arenaria Linne, Dall, 1259. 
arkansana n. sp., Weller, 5986. 
produeta Conrad, Dall, 1259. 
truncata Linne, Dall, 1259. 
Myalina? exasperata n. sp., Beede, 394. 
kansasensis Shumard, Keyes, 3062. 
pterinseformis, Lane, 3400. 
recurvirostris Meek and Worth* n. Keyes, 
3062. 
subquadrata Shumard, Keyes. 3062. 
swallovi McChesney, Keyes, 3062. 
trigonalis n. sp., Whiteaves, 6074. 
Myas rigefactus n. sp., Scudder, 4900. 
umbraruiu n. sp., Scudder, 4900. 
Mycetophaetusn. gen., Scudder, 1889. . 
intermedins, Scudder, 4889. 
Myeetoporus demursus n. sp., Scudder, 4900. 
Myconcha americana n. sp., Stanton, 5199. 
Myelodactylns Hall, Weller, 6002. 
bridgeportensis Miller, Weller, 6002. 
gorbyi n. sp., Miller, 3992. 
Myelodatylus, Bather, 294. 
Myelopteris topekensis n. sp., Penhallow, 
4337. 
Mylacridse? sp., Scudder, 4898. 
Mylacris ampla n. sp., Scudder, 4898. 
anthracophila, Scudder, 4898. 
antiqua, Scudder, 4898. 
elongata n. sp., Scudder, 4898. 
gurleyi n. sp., Scudder, 4898. 
packardii, Scudder, 4892, 4898. 
Myliobatis copeanus, n. sp., Clark, 904, 906. 
leidyi, Hay, 2381. 
Myllita d'Orbigny and R6cluz, Dall, 1281. 
Myiodon, Case, 769. 
? harlanii Owen, Cope, 1104. 
? sodalis Cope, Cope, 1087. . 
Mylohyus Cope, Cope, 1104. 
Paleontology— Continued. 
Genera and specks described — Continued. 
Mylohyus nasutus Leidy, Cope, 1104. 
pennsylvanicus Leidy, Cope, 1104. 
tetragonus Cope, Cope, 1104. 
Myolodon ? harlani Leidy, Williston, 6228. 
harlanii Owen, Cope, 1098. 
renidens n. sp., Cope, 1098. 
sulcidens n. sp., Cope, 1098. 
Myrica acuta Hollick n sp.. Newberry, 4080. 
aspera n. sp., Lesquereaux, 3470. 
bolanderi ? Lx., Knowlton, 3255. 
cinnamonifolia n. sp., Newberry, 4080 
emarginata Heer, Lesquereux, 3470. 
emarginata Heer (?), Newberry, 4080. 
fenestrata n. sp., Newberry, 4080. 
(?) idahoensis n. sp., Knowlton, 3246. 
lamarensis n. sp., Knowlton, 3255. 
lanceolata n. sp., Knowlton, 3246. 
longa Heer, Hollick, 2696. 
longa Heer, Lesquereux, 3470. 
newberryana Hollick, n. sp., Newberry, 
4080. 
obliqua n. sp., Lesquereux, 3470. 
parvula Heer, Newberry, 4080. 
prsemissa Lesquereux sp., Knowlton, 3232. 
raritanensis Hollick n. sp., Newberry, 
4080. 
schimperi n. sp., Lesquereux, 3470. 
torreyi Lx., Knowlton, 3264. 
(?) trifoliata Newb. n.sp., Newberry, 4083, 
wardii n. sp., Knowlton, 3255. 
(Comptonia) cuspidata (Lesquereux), 
Dawson, Knowlton, 3232. 
" ap., Knowlton, 3264. 
Myrsine borealis Heer, Newberry, 4082. 
crassa n. sp., Lesquereux, 3470. 
elongata Newb., Hollick, 2696. 
elongata n. sp., Newberry. 4080. 
oblongata Hollick n. sp., Newberry, 4080. 
Myrsinites ? gaudina Lesq., Lesquereux, 3470. 
Myrtophyllum warderi n. sp., Lesquereux, 
3470. 
(Eucalyptus?) geinitzi Heer(?), Hollick, 
2695. 
Myses ferruginea, Beecher, 366. 
Mysia perilis, Whitfield, 6101. 
Mysis, Beecher, 366. 
Mytilarca fibristriata I W. & W.), Weller, 6006. 
inflata n. sp., Whiteaves, f>074. 
jessiese n. sp., Miller and Gurley, 1002. 
mytiliformis n. sp., Foerste, 1835. 
occidentalis (W. & W.), Weller, 6006. 
percarinata, Whitfield, 6099. 
? sp., Girty, 2039. 
Mytiloconcha incrassata, Whitfield, 6101. 
Mytilus (L.) Bolten, Dall, 1272. 
conradinus Orbigny, Dall, 1272. 
dichotomus n. sp., Cooper, 1071. 
edulis Linne, Dall, 1272. 
pandionis n. sp., Dall, 1272. 
(Hormomya) exustus Linne, Dall, 1272. 
hamatus Say, Dall, 1272. 
(Mytiloconcha) incurvus Conrad, Dall, 
1272. 
Nageiopsis angustifolia Fontaine?, Fontaine, 
1850. 
