144 
BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 149. 
Paleontology — Continued. 
Genera and species described — Continued. 
Titanotherium amplum (Marsh), Osborn, No. 
527. 
angustigenis (Cooe), Osborn, No. 527. 
avum (Marsh), Osborn, No. 527. 
bucco (Cope), Osborn, No. 527. 
coloradense Leidy, Osborn, No. 527. 
curtum (Marsh), Osborn, No. 527. 
dolichoceras (Scott and Osborn), Osborn, 
No. 527. 
elatum (Marsh), Osborn, No. 527. 
gigas (Marsh), Osborn, No. 527. 
heloceras (Cope), Osborn, No. 527. 
ingens (Marsh), Osborn, 527. 
montanum (Marsh), Osborn, No. 527. 
ophyras (Cope), Osborn, No. 527. 
jdatyceras (Scott and Osborn), Osborn, 
No. 527. 
ramosum n. sp., Osborn, No. 527. 
robustum (Marsh), Osborn, No. 527. 
selwynianus (Cope), Osborn, No. 527. 
serotinuni (Marsh), Osborn, No. 527. 
tichoceras (Scott and Osborn), Osborn, No. 
527. 
torvum (Cope), Osborn, No. 527. 
trigonoceras (Cope), Osborn, No. 527. 
varians (Marsh), Osborn, No. 527. 
Tornatella bella (Conrad), Clark, No. 118. 
Tornatina 
fischeri n. sp., Dall, No. 158. 
incisula n. sp., Dall, No. 158. 
myrmecoon, n. sp., Dall, No. 158. 
persimilis n. sp., Dall, No. 158. 
(Cylichnella) gabbi, Dall, No. 158. 
ovum-lacerti Guppy, Dall, No. 158. 
Torosaurus, Marsh, No. 480. 
Triarthrus, Beecher, No. 48. 
Tricalycites 
papyraceus n. sp., Newberry, No. 519. 
striatus n. sp., Newberry, No. 519. 
Triceratops, Marsh, No. 480. 
Trionyx virginiana n. sp., Clark, Nos. 118, 122. 
Triton 
(Ranularia) eocensis, Harris, Nos. 279, 280. 
(Simpulum) showalteri, Harris, No. 279. 
Trophon morulus, Harris, No. 279. 
Tuba (Mathilda) claibornensis Aid., Aldrich, 
No. 11. 
Turbinola acuticostata n. sp., Vaughan, No. 
700. 
Turbo 
colusaensis n. sp., Stanton, No. 648. 
(? ) humerosus n. sp., Stanton, No. 648. 
morganensis n. sp., Stanton, No. 648. 
paskentaensis n. sp., Stanton, No. 648. 
trilineatus n. sp., Stanton, No. 648. 
wilburensis n. sp., Stanton, No. 648. 
Turrilepas wrightiana, Clarke, No. 125. 
Turritella 
alabamiensis, Harris, No. 279. 
alcida n. sp., Dall, No. 158. 
denisonensis n. sp., Cragin, No. 142. 
huhierosa Conrad, Clark, No. 118. 
humerosa, Harris, No. 279. 
infragranulata Gabb, Stanton, No. 647. 
interna, Say, No. 599. 
Paleontology — Continued. 
Genera and species described — Continued. 
Turritella mortoni Conrad, Clark, No. 118. 
mortoni var. levicunea n. var., Harris, No. 
279. 
nerinexa, Harris, No. 279. 
pachecoensis n. sp., Stanton, No. 647. 
plebeia, Say, No. 599. 
saffordi, Harris, No. 279. 
subgrundifera Dall, Harris,, No. 278. 
tennesseensis, Harris, No. 279. 
sp., Stanton No. 648. 
Umboninm 
duplinense n. sp., Dall, No. 158. 
undula n. sp., Dall, No. 158. 
(Solariorhis) noridanuni n. sp., Dall, No. 
158. 
Umbraculuni sp., Aldrich, No. 11. 
TJnio 
dockumensis n. sp., Simpson, No. 620. 
dutnblei n. sp., Simpson, No. 620. 
graciliratus n. sp., Simpson, No. 620. 
subplanatus n. sp., Simpson, No. 620. 
Urosyca caudata Gabb, Stanton, No. 647. 
Ursus haplodon n. sp., Cope, No. 136. 
Vasum humerosum, Vaughan, No. 698. 
Vanikoro propinqua n. sp., Cragin, No. 142. 
Yenericardia 
alticostata, Harris, No. 279. 
granulata, Say, No. 599. 
planicosta Lamarck, Clark, No. 118. 
planicosta, Harris, No. 279. 
var. smithi, Harris, No. 279. 
Venus deformis, Say, No. 599. 
Vermetus (Burtinella) cornejoi n. sp., Agui- 
lera, No. 10. 
Vermentus sp., Clark, No. 118. 
Verticordia sp., Harris, No. 279. 
Viburnum integrifoliumn. sp., Newberry, No. 
519. 
Vola fredericksburgensis n. sp., Cragin, No. 
142. 
Voluta 
lyroidea, Harris, No. 279. 
fiorencis n. sp., Harris, No. 279 
Volutilithes 
limopsis, Harris, No. 279. 
quercollis n. sp., Harris, No. 279. 
rugatus, Harris, No. 279. 
var. saffordi, Harris, No. 279. 
(Athleta) tuomeyi Conrad, Clark, No. 118. 
Volutithes sp., Clark, No. 118. 
Volvaria bulloides Lam., Aldrich, No. 11. 
Volvula sp., Harris, No. 278. 
"Waldheimia catorcensis n. sp., Aguilera, No. 
10. 
Widdringtonites 
reichii (Ett.) Heer, Newberry, No. 519. 
subtilis Heer, Newberry, No. 519. 
"Williamsonia smockii n. sp., Newberry, No. 
519. 
Xenophora sp., Harris, No. 279. 
Toldia 
corpulentoides n. sp., Aldrich, No. 11. 
eborea, Harris, No. 279. 
kindlei n. sp., Harris, No. 279. 
