130 
INDEX TO NORTH AMERICAN GEOLOGY, 
[HULL. 203. 
Paleontology— Continued. 
Genera and species described— Continued. 
Crania sheldoni White, Kindle. 442. 
suliriana Hall 1863, Beecher, 51. 
sp., Kindle, 1 12. 
Craniella hamiltona Hall, Kindle, 442. 
Cranoceras ? ellipticum n. sp. Rowley, Greene, 
320. 
Crassitellites alseformis (Conrad), Clark and 
Martin. 141. 
alta (Conrad), Clark and Martin, 141. 
aquiana (.Clark), Clark and Martin, 141. 
sp., Clark and Martin. 141. 
Creosaurus Marsh, Williston, 836. 
Cribrilina erassula n. sp., Ulrieh, 751. 
modesta n. sp., Ulrieh, 751. 
Cristellaria gibba (d'Orbigny), Bagg, 35. 
radiata | Bornemann ,. Bagg, 35. 
rotulata (Lamarck), Bagg. 35. 
Cryptonella lens Hall, Kindle, 112. 
oralis Miller, Kindle, 442. 
Ctenobolbina ciliata, Ruedemann, 659. 
cilata var. eornula n. var., Ruedemann, 
659. 
subrotunda n. sp., Ruedemann, 659. 
Ctenodonta cf. astarrseformis Salter, Ruede- 
mann, C60. 
Cuculleea gigantea Conrad, Clark and Martin, 
141. 
Cupressinoxylon cheyennense n. sp., Pen- 
hallow, 604. 
comanchense n. sp., Penhallow, 604. 
Cybele sp., Ruedemann, 660. 
Cyclonema cancellata, Kindle, W2. 
crenulata Meek, Kindle, 442. 
Cyclorhina nobilis Hall, Kindle, 412. 
Cylichna venusta Clark, Clark and Martin, 
111. 
Cylindrodon fontis n. gen. et sp., Douglass, 
2:; la. 
Cyphaspis hudsonica n. sp., Ruedemann, 660. 
matutina n. sp., Ruedemann, 660. 
Cyprsea smithii Aldrich, Clark and Martin, 
111. 
Cypricardinia cataracta Conrad, Kindle, 142. 
?cylindrica H. and W., Kindle. 442. 
indenta Conrad, Kindle, 442. 
Cypricardites lueulentus n. sp., Sardeson, 677. 
minnesotensis n. sp., Sardeson, 677. 
triangularis n. sp., Sardeson, 077. 
vicinus n. sp., Sardeson, 077. 
Cyrtina Davidson, Grabau, 306. 
acutirostris (Shumi)?, Weller, 804. 
crassa Hall, Kindle, 442. 
hamiltonensis Hall, Kindle, 442. 
var. recta Hall, Kindle, 142. 
pyramidalis (Hall), Grabau, 306. 
Cyrtoeeras Goldfuss, Grabau, 306. 
expansum n. sp., Kindle, 142. 
subcancellatum Hall, Grabau, 306. 
sp., Kindle, 442. 
Cyrtolites bennetti n. sp., Rowley, 658. 
Cyrtospira attenuata n. sp., Ruedemann, 660. 
Cystelasma septata n. sp., Greene, 320. 
Cysthiphyllum Goldfuss, Grabau, 306. 
diversum n. sp., Greene, 319. 
expansum n. sp., Greene, 319. 
Paleontology— (on tinned. 
Genera and species described — Continued. 
Cysthiphyllum nydraulicum Simpson, Gra- 
bau. 306. 
louisvillensis n. sp., Greene, 319. 
multicrenatum n. sp., Greene, 320. 
Cy there marylandica n. sp., Ulrieh, 750. 
Cythereis bassleri n. sp., Ulrieh, 750. 
Cytherella marlborensis n. sp., Ulrieh, 750. 
submarginata n. sp., Ulrieh, 750. 
Cytheridea perarcuata n. sp., Ulrieh, 750. 
Dadoxylon antiquum Dn., Penhallow, 004. 
edvardianum Dn., Penhallow, G04. 
prosseri n. sp., Penhallow, 00 1. 
Dalmanella Hall and Clarke, Grabau, 300. 
elegantula Dalman, Grabau, 300. 
elegantula Dalman 1827, Beecher, 51. 
subaequata var. parvetus Conrad, Ruede- 
mann, 000. 
Dalmanites Barrande, Grabau, 306. 
achates Billings, Ruedemann, 660. 
limulurus (Green), Grabau, 306. 
(Chasmops), anchiops (Green), Kindle, 
442. 
calypso H. and W., Kindle, 442. 
(Cryphseus boothi var. calliteles Green 
(H. andG), Kindle, 442. 
pleione Hall and Clarke, Kindle, 442. 
(Hausmannia) pleuroptyx Green (Hall?), 
Kindle, 442. 
(Odontoeephalus) segeria Hall, Kindle, 
442. 
selenurus (Hall and Clarke), Kindle, 
442. 
(Synphoria)arkansanusn.sp.,Van Ingen, 
763. 
vigilans Hall, Van Ingen, 763. 
Dekayia cystata n. sp., Cumings, 180. 
magna n. sp., Cumings, 180. 
Delthyris raricosta Conrad, 442. 
sculptilis Hall, Kindle, 442. 
Dentalium grandaivum Win., Weller, 804. 
minutistriatum Gabb, Clark and Martin, 
141. 
mississippiensis Gabb, Clark and Martin. 
111. 
Dexiobia halli Win., Weller, 804. 
ovata (Hall), Weller, 804. 
Diamesopora Hall, Grabau, 306. 
dichotoma Hall, Grabau, 306. 
Diaphorostoma Fischer, Grabau, 306. 
niagarense Hall, Grabau, 306. 
Dictyomella Hall, Grabau, 300. 
eorallifera Hall, Grabau, 306. 
Dictyonella reticulata Hall 1868, Beeeher 51. 
Dictyonema Hall, Grabau, 300. 
ret i forme Hall, Grabau, 306. 
Dielasma, Beeeher, 51. 
? pediculus n. sp., Rowley, 658. 
zellei (Win.), Weller, 804. 
Diploclema Ulrieh, Grabau, 306. 
sparsa (Hall), Grabau, 306. 
Diplodoeus (Marsh), Hatcher, 342. 
Diplodocus, Osborn and Granger, 585. 
Diplodonta hopkinsensis Clark, Clark and 
Martin, 141. 
marlboroensis n. sp., Clark and Martin, 
141. 
