weeks! l'KTROLOGtf, AND MINERALOGY FOR 1892-1900. 
167 
Paleontology— Continued. 
General — Continued. 
Notes on paleontological publication of Prof. 
William Wagner, Dall, 1273. 
Occurrence of cirripedes, Matthew, 3769. 
On Dinichthys, Dean, 1472. 
On Dipeltis and Protocaris, Schuchert, 4850. 
On Platecarpus, Williston, 6249. 
On Streptelasrna, Sardeson, 4803. 
On the genus Nanno Clarke, Hyatt, 2820. 
On the skull of Ornithostoma, Williston, 6231. 
Oolite, on the formation of, Rothpletz, 4667. 
Opening address, Grant, C. C, 2094. 
Organic remains from the Huronian, Mich- 
igan, Gresley, 2179. 
Origin and significance of spines, Beecher, 
377. 
Origin of Mammalia, Osborn, 4199, 4208, 4209, 
4212, 4227. 
Origin of mammals, Marsh, 3715,3720. 
Orthoceras, specific characters in, Foerste, 
1833. 
Osteology and relations of Protoceras, Scott, 
4872. 
Osteology of Agriochoerus, Wortman, 6487. 
Osteology of Agriochoerus, Leidy, Scott, 4868. 
Osteology of Anogmius polymicrodus Stewart, 
5244. 
Oxyaena and Patriofelis restudied us terres- 
trial creodonts, Osborn, 4222. 
Pala aster eucharis Hall, Cole, 1025. 
Palseospongiologie, Rauff, 4548. 
Paleontological collection, American Museum 
of Natural History. Whitfield, 6116. 
Paleontological work of R. P. Whitfield, \\ hit- 
field, 6115. 
Paleontological writings of Thomas Say, Say, 
4813. 
Paleontology and the biogenetic law, Zittel, 
6538. 
Paleontology as a morphological discipline, 
Scott, 4878. 
Paleontology of Missouri, Part I, Keyes, 3061. 
Paleontology of Missouri, Part II, Keyes, 3062. 
Paleontology of New York, Hall, 2263. 
Paleontology, the scope of, Williams, H. S., 
6167. 
Paleotrochis in igneous rocks, Williams, 6187. 
Paleozoic and Mesozoic Bshes, Cope, 1093. 
Paleozoic Echinodermata, Miller and Gurley, 
3997d. 
Paleozoic faunas of Para, Brazil, Clarke, 976. 
Paleozoic fossils, check list of, Bierbauer, 442. 
Paleozoic hexactinellid sponges, Hall, 2267. 
Parka decipiens, Dawson, J. W., and Penhal- 
low, 1438. 
Petroleum in cavities of fossils, Phillips, 4366. 
Phylogeny of an acquired characteristic, 
Hyatt, 2819. 
Phylogeny of the rhkioceroses of Europe, 
Osborn, 4221. 
Pinnida?, remarks on the, Hyatt, 2815. 
Plants from Ellensburg, fossil, Knowlton, 
3323. 
Pores in the ventral sac of fistulate crinoids, 
Bather, 297a. 
Pre-Cambrian fossils, Dawson, 1451. 
Paleontology— Continued. 
General— Continued. 
Pre-Cretaceous age of metamorphic rocks, 
Fairbanks, 1733, 1739. 
Prehistoric fauna of Block Island, Eaton, 1611. 
Presence of pores in the ventral sac in fistu- 
late crinoids, Springer, 5163. 
Preservation of plants as fossils, James, 2882. 
Principles of paleontology, Bernard, 430. 
Problematic organisms, the genus Fucoides, 
James, 2884. 
Problematic organisms, the genus Scolithus, 
James, 2883. 
Radiolarian chert from California, Hinde, 
2601. 
Recent and Tertiary Psammobiidae, Dall, 1276. 
Recent studies of the Eurypterina, Clarke, 
940d. 
Recent zoopaleontology, Osborn, 4219. 
Reconsideration of the evidence for a com- 
mon Dinosaur-Avian stem in the Permian, 
Osborn, 4226. 
Reconstruction of Phenacodus primaevus 
Cope, Osborn, 4198. 
Relationship of Chricid* to the primates, 
Earle, 1594. 
Remains of the mammoth in Arizona, Blake, 
483. 
Remarks on Petalodus alleghaniensis, East- 
man, 1596. 
Remarks upon Paleohillia, Holm, 2714. 
Remondia Gabb, Stanton, 5202. 
Reptilian order Cotylosauria, Cope, 1097. 
Restoration of Ornithostoma, Williston, 6234. 
Restoration of Oxyaena lupina Cope, and new 
species of Eocene creodonts, Wortman, 6495. 
Revised classification of the spire-bearing 
Brachiopoda, Schuchert, 4841. 
Revision of American fossil cockroaches, 
Scudder, 4898. 
Revision of Paleozoic corals, Lambe, 3374. 
Revision of the families of the loop-bearing 
Brachiopoda, Beecher, 364. 
Sacrum of Morosaurus, Williston, 6248. 
Santa Catalina Island, Smith, 5059. 
Santa Monica diatomaceous deposit, Schultze 
and Kain, 4859. 
Sauropodous Dinosauria, Marsh, 3717. 
Saurodon and" allied species, Stewart, 5239. 
Separation and its bearing on geology and 
zoogeography, Ortmann, 4154. 
Serpent-like sea saurians, Ballou, 226. 
similitudes dans la marche del'evolution sur 
l'ancien et le nouveau continent, Gaudry, 
1950. 
Sinopsis de geologia Mexicana, Aguilera, 61. 
Skeleton of Diplodocus, Osborn, 4213. 
Skeleton of Phenacodus primaevus, Osborn, 
4204, 4207. 
Skull of Amphictis, Riggs, 4641. 
Species of Saurocephalus, Hay, 2383. 
Standing fossil forest, Knowlton, 3252. 
Streptelasrna and allied genera, Hall, 2266. 
Structure and relationships of Ancodus, Scott, 
4875. 
Studies of Melonites rnultiporus, Jackson and 
J agger, 2872. 
