weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1894. 125 
Paleontology — Continued . 
Miocene. 
A Diceratheriuni from the White River beds, 
Hatcher, 249. 
A new Miocene mammal, Marsh, 393. 
A new Miocene tapir, Marsh, 400. 
A rhinoceros from Nebraska, Hatcher, 248. 
Artiodactyles from the Miohippus beds, 
Marsh, 397. 
Eastern division of the Miohippus beds, 
Marsh, 396. 
Fossil mammils of the White River beds, 
Osborn and Wortman, 4336. 
Geology of the Coastal Plain of Alabama, 
t Smith, E. A., etc., 518. 
Miocene and Pliocene of Gay Head, Dall, 123. 
Miocene rocks, Northwest Territory, Weston, 
622. 
Mollusca and Crustacea of the Miocene of 
New Jersey, Whitfield, 628. 
New species and genus from the John Day 
Miocene, Eyerman, 186. 
Osteology of Hyasnodon, Scott, 498. 
Restoration of Elotherium, Marsh, 392. 
Scott on Mammalia of Deep River beds, Cope, 
99. 
Tertiary Artiodactyles, Marsh, 398. 
Vertebrate fossils from the Loup Pork beds, 
Hatcher, 250. 
Pliocene. 
Geology of the Coastal Plain of Alabama, 
Smith, E. A., etc., 518. 
Miocene and Pliocene of Gay Head, Dall, 123. 
Pliocene fresh-water fossils of California, 
Cooper, 92. 
Restoration of Aceratherium fossiger Cope, 
Williston, 644. 
Restoration of Platygonus, Williston, 648. 
Tertiary Artiodactyles, Marsh, 398. 
Pleistocene. 
Effect of glaciation on the present fauna of 
North America, Scudder, 501. 
Geology of the Coastal Plain of Alabama, 
Smith, E. A., etc., 518. 
Inter-Glacial plants from the Don Valley, Pen- 
hallow, 450. 
Marine shell fragments in drumlins, Upham, 
572. 
On some fossil TJnios, Simpson, 512. 
Pleistocene fossils from Winthrop, Mass., 
Dodge, 157. 
Miscellaneous. 
Affinities of Leptarctus primus, Wortman, 
669. 
Algae as geological guides, James, 311. 
Anatomy of Dinichthys, Dean, 148. 
Ancient myriapods, Matthew, G. F.,406. 
A new fossil Hepatic, Knowlton, 344. 
A new species of Carcinosoma, Claypole, 81. 
Appendages of the pygidium of Triarthrus, 
Beecher, 22. 
Appendages of trilobites, Walcott, 609. 
Classification of the Arthropoda, Kingsley, 
339. 
Derivation aud homologies of some articu- 
lates, Dana, 123. 
Paleontology — Continued. 
Miscellaneous — Continued. 
Derivation of the Fnione fauna of the North- 
west, Keyes, 335. 
Diatomaceaa, Cunningham, 116. 
Evolution of teeth in Mammalia, Osborn, 432. 
Evolution of the ungulate mammals, Fair- 
child, 194. 
Extinct Bovidas, Canida), and Felidre, Cope, 97. 
Fossil fishes of Ohio, Claypole, 84. 
Fossil plants as an aid to geology, Knowlton, 
342. 
Genera of Fenestellidrc, Simpson, 513. 
Introduction to study of the Brachiopoda, 
Hall, 236. 
Kansas Pterodactyles, Williston, 642. 
Morphology of Cladoselache, Dean, 150. 
Osteology of Agrioehcerus Leidy, Scott, 496." 
Palaeospongiologio, Rauff, 473. 
Paleontology of New York, Hall, 235. 
Paleozoic and Mesozoic fishes, Cope, 95. 
Phylogeny of an acquired characteristic, 
Hyatt, 305. 
Radiolarian chert from California, Hinde, 
274. 
Revised classification of the spire- hearing 
Brachiopoda, Schuchert, 495. 
Structure and relationships of Ancodus, 
Scott, 497. 
The study of fossil plants, Dawson, 146. 
Traces of a fauna in the Cambridge slates, 
Woodworth, 665. 
Typical Ornithopoda of the American Juras- 
ric, Marsh, 395. 
Ventral armor of Dinichthys, Wright, 670, 
671. 
Vertebrate paleontology at the Columbian 
Exposition, Eyerman, 185. 
Genera and species described. 
Abietites linkii (Room.) Dunk, Fontaine, 200. 
Abra sequalis, Whitfield, 628. 
Acambona White, Hall and Clarke, 236. 
Acanthodictya hispida Hinde, Rauff, 473. 
Acanthotbyris D'Orbigny, Hall and Clarke, 
236. 
Aceratherium 
occidentale Leidy, Osborn and Wortman, 
4336. 
platycephalum n. sp., Osborn and Wort- 
man, 4336. 
tridactylum Osborn, Osborn ami Wort- 
man, 4336. 
trigonodum n. sp., Osborn and Wortman, 
4336. 
(Ccenopus) mite Cope, Osborn and Wort- 
man, 4336. 
Acidaspis 
brevispinosa n. sp., Foerste, 197. 
ortoni, Foerste, 197. 
Action shilohensis n. sp., Whitfield, 628. 
Actinocrinus blairi n. sp., Miller, 413. 
brittsi n. sp., Miller, 413. 
chouteauensis (?) n. sp., Miller, 413. 
fossatus n. sp., Miller, 413. 
sedaliensis n. sp., Miller, 413. 
Actinodeama subrccta, Whitfield, 629. 
