weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 195 
Paleontology — Continued. 
Genera and species described — Continued. 
Cristellaria eultrata (Montfort), Bagg, 3. 
wetherellii Jones, Bagg, 3. 
Crocodilus prenasalis n. sp., Loomis, 1. 
Crossotelos annulatus n. gen. and sp., Case, 
1. 
Crucibulum constrictum Conrad, Martin, 3. 
costatum (Say), Martin, 3. 
costatum var. pileolum (H. C. Lea), Mar- 
tin, 3. 
multilineatum Conrad, Martin, 3. 
Cryptozoon ? perkinsi n. sp., Seely, 2. 
Cucumites lesquereuxii Kn., Terkins, 6. 
Cumingia medialis Conrad, Glenn, 5. 
Cunichnoides E. Hitchcock, Lull, 1. 
marsupialoideus E. Hitchcock, Lull, 1. 
Cunningharniteselegans(Corda)Endl., Berry, 
1. 
squamosus Heer, Berry, 1. 
Cupressoxylon dawsoni Penh., Penhallow, 1. 
macrocarpoides n. sp., Penhallow, 1. 
Cupularia denticulata (?) (Conrad), Ulrich 
and Bassler, 4. 
Cyathaxonia venusta n. n., Greene, 3. 
Cyathocrinus ? ovalis n. sp., Rowley, 1. 
Cyclonema cancellata Hall, Kindle and Bre- 
ger, 1. 
elevata Hall, Kindle and Breger, 1. 
Cyclotrypa borealis n. sp., Parks, 1. 
Cylichna calvertensis n. sp., Martin 3. 
? greensboroensis n. sp., Martin, 3. 
Cyphotrypa n. gen., Ulrich and Bassler, 2. 
aeervulosa (Ulrich), Ulrich and Bassler, 2. 
frankfortensisn. sp., Ulrich and Bassler, 2. 
wilmingtonensis n. sp., Ulrich and Bass- 
ler, 2. 
Cypricardinia sp., Kindle and Breger, 1. 
Cypridina antiqua n. sp., Jones, 1. 
Cyrtia myrtia Billings, Kindle and Breger, 
1. 
Cyrtina hamiltonensis Hall, Raymond (P. E), 
1, 2. 
Cystiphyllurn clavatumn.sp., Greene, 1. 
conspicuum n. sp., Greene, 4. 
crenatum n. sp., Greene, 4. 
fulcratumn. sp., Greene, 1. 
gemmiferum n. sp. Greene, 4. 
vesiculosum Phillips, Greene, t. 
Cythere burnsi n. sp., Ulrich and Bassler, 3. 
calverti n. sp.,? Ulrich and Bassler, 3. 
clarkanan. sp., Ulrich and Bassler, 3. 
clarkana var. rninuscula n. var., Ulrich 
and Bassler, 3. 
dorsicornis n. sp., Ulrich and Bassler, 3. 
dorsicornis var. bicornis n. var. Ulrich 
and Bassler, 3. 
evax n. sp., Ulrich and Bassler, 3. 
evax var. oblongula n. var., Ulrich and 
Bassler, 3. 
exanthemata n. sp., Ulrich and Bassler, 3.- 
francisca n. sp., Ulrich and Bassler, 3. 
inaequivalvis n. sp., Ulrich and Bassler, 3. 
lienenklausi n.sp., Ulrich and Bassler, 3. 
martini n. sp., Ulrich and Bassler, 3. 
micula n. sp., Ulrich and Bassler, 3. 
nitidulan. sp., Ulrich and Bassler, 3. 
Paleontology — Continued. 
Genera andspecies described -Continued. 
Cythere nitidula var. calvertensis n. var., 
Ulrich and Bassler, 3. 
paucipunctata n.sp., Ulrich and Bassler, 3. 
planibasalisn. sp., Ulrich and Bassler, 3. 
plebeia n. sp., Ulrich and Bassler, 3. 
plebeia var. capax n. var., Ulrich and 
Bassler, 3. 
plebeia var. modica n. var.. Ulrich and 
Bassler, 3. 
porcella n. sp., Ulrich and Bassler, 3. 
produeta n. sp., Ulrich and Bassler, 3. 
punctistriata n. sp., Ulrich and Bassler, 3. 
rugipunctata n. sp., Ulrich and Bassler, 3. 
?shattucki n. sp., Ulrich and Bassler, 3. 
spiniplicata n. sp., Ulrich and Bassler, 3. 
subovalis n. sp., Ulrich and Bassler, 3. 
tuomeyi n. sp., Ulrich and Bassler, 3. 
vaughani n. sp., Ulrich and Bassler, :;. 
Cytherea (Antigona) staminea Conrad, 
Glenn, 5. 
Cythereis alaris n. sp., Ulrich and Bassler, .'!. 
cornuta var. americana n. var. Ulrich 
ami Bassler, 3. 
Cytheridea ? chesapeakensis n. sp., Ulrich 
and Bassler, 3. 
subovata n. sp., Ulrich and Bassler, 3. 
Cytherideis ashermani n. sp., Ulrich and 
Bassler, 3. 
cylindrica n. sp., Ulrich and Bassler, 3. 
longula n. sp., Ulrich and Bassler, 3. 
semicircularis n. sp., Ulrich and Bassler, 3. 
subsequalis n. sp., Ulrich and Bassler, 3. 
Cytheropteron nodosum n. sp., Ulrich and 
Bassler, 3. 
Dalmanella elegantula Dalman, Kindle and 
Breger, 1. 
Dalmanites lunatus n. sp., Lambert, 1. 
(Synphoria) vigilans Hall, Kindle and 
Breger, 1. 
Dammara cliff woodensis Hollick, Berry, 1. 
northportensis n. sp., Hollick, 2. 
Daonella Mojsisovics, Smith (J. r.). 2. 
dubiaGabb, Smith (J. P.), 2. 
Dawsonia Nicholson, Ruedemann, 1. 
monodon Gurley, Ruedemann, 1. 
tridens Gurley, Ruedemann, 1. 
Dekayella Ulrich, Ulrich and Bassler, 2. 
foliacea n. sp., Ulrich and Bassler, 2. 
Dekayia Edwards and Haime, Ulrich and 
Bassler, 2. 
Delphinodon Leidy, Case, 4. 
leidyi (Hay), Case, 4. 
mento Cope, Case, 4. 
Delthyris consobrinus d'Orbigny, Raymond 
(P. E.),l, 2. 
Dendrograptus Hall, Ruedemann, 1. 
flexuosus Hall, Ruedemann, 1. 
fluitans n. sp., Ruedemann, 1. 
? succulentus n. sp., Ruedemann, 1. 
Dentalium attenuatum Say, Martin, 3. 
caduloide Dall, Martin, 3. 
danai Meyer, Martin, 3. 
sp., Dall, 1. 
Desmograptus Hopkinson, Ruedemann, 1. 
cancellatus Hopk. (sp.), Ruedemann, 1. 
