214 J. STANLEY-BROWN INDEX TO VOLUMES 21 TO 30 



Page 



Orographic origin of ancient Lake Bonneville ; C. R. Keyes 28. 164, 351 



Orthis sp., Fossil of the quartzite at Geneva 21, 527 



Ortiioceras limestone 27, 585 



Ortiiochoanites and Holochoauites, Relation of the Protochoanites to 30, 148 

 Orthoclase as a vein mineral ; Austin F. Rogers 23. 72 



— fragment bent at 1,200 degrees under load 21, 147 



— , Melting curves of, Figure showing 21, 160 



Orthogekesis, a study in 27, 148 



Orthogenetic development of the costa* in the Perisphlnctiufe ; M. 



O'Connell 30, 152 



— ■ series, Mutations among invertebrates in 27, 148 



Ortmann, a. E., cited on Argentine marine fauna 29, 643 



Obton, Edward, cited on Ohio and Indiana oil rocks 28, 670 



petroleum 28, 556 



Trenton limestone 28, 672 



— and Sherzer, William H., cited on description of Sylvania sandstone 



21, 660 



Orton, Edward, Jr., elected Fellow 21, 4 



OsBORX, H. F. ; Addition and evolution of "characters" in paleontologic 



phyla 26, 151 



— ; Additional characters of Tyrannosaurus and Oruithomimus 27, 150 



— , African mannnals discussed by 23, 85 



— ; Anderson's method of photography in vertebrate paleontology 21. 75 



— ; Characters and restoration of Cope's sauropoda 30, 151 



— cited on fossils from Morrison formation 29, 2.59 



Lance fauna 25, 391 



— ; Close of Jurassic and opening of Cretaceous time in North America . 



26, 295-302 



the Cretaceous and opening of Eocene time in North America. 25.321 



— ; Comparison of the late Pleistocene fauna of Europe and North 



America 24, 120 



— ; Correlation and paleogeography 23, 85, 232 



of the Pleistocene of Europe and America 21, 75 



, Discussion of Adapidie and other Uniiuroidea and phylogeny of the 



higher primates by 26, 1-53 



fossil mammals by 28.210 



vertebrate localities of Florida by 26, 154 



- — paleontologic criteria in time relations l)y 26, 411 



— Pleistocene cave deposits by 25, 142 



Sauropod dinosaurs by 26. 153 



symposium papers by 25, 130 



the affinities of the Multituberculata by ' 26, 152 



lemuroidea 25, 141 



on the armor of Stegosaurus 21, 75 



symposium "Correlation of the Cretaceous" by 26, 415 



Varanosaurus species, a Permian Pelycosaur 21, 74 



; Final results in the phylogeny of the titanotheres 25, 139 



, Formation of Nouienclature Committee by 28, 973 



