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



Page 

 OsBORN, II. F., niid MooK, C. C. ; Caniin-asaurus ami Amphiccelias, and 



other sauropoils of Cope 30, 379 



from Cauon City 30, 151 



Osborn's "Age of Mammals," Literature referring to Artiodactyla . 23, 168-178 

 Oscillations of Alaskan glaciers; R. S. 'Parr and Lawrence Martin 21,20,758 



Osgood, , Reference to studies by 25, 413 



OSTEOLOGV and relationships of Paramys and tlie affinities of the Ischy- 



romyidje ; W. D. Matthew 21, 74 



OSTRACODA as guide fossils in the Silurian deposits of tlie Appalachian 



region ; E. O. Ulrich 28, 202 



— , Stratigraphic significance of ; R. S. Bassler 22, 94, 275 



Ostrich dinosaur Struthiominms and a restudy of Ornitholestus ; H. F. 



Osborn 28, 215 



OsTWALD, W. ; Studien iil)er die Bildung und Uniwandlung fester Korper, 



Reference to 21, 164 



Otsquago sandstone 29, 343 



Ottawa Valley, Chazy formation in 22, 62, 719 



Ouray and Needle Mountain folios of tho United States Geological Sur- 

 vey, Reference to rock streams of San Juan Mountains l)y 21, 664 



Outlet control. Reference by H. L. Fairchild to 27, 245 



Outline mai) of State of New York 27, 235 



— ^of progress in paleontological research on the Pacific coast. Presi- 

 dential address by J. C. Merriam 29, 129 



Outlines of the geology of Brazil to accompany the geologic map of 



Brazil ; J. C. Branner 30, 189 



OvERTHRUSTS near Ogden, Utah, Map showing 21, 534 



— of Willard and Ogden canyons, Geologic maps showing 21. 537, 538 



Owen, D. D., cited on Saint Peter (Ordovician) sandstone 21, 654 



— , Geological work of 25, 166 



Owen, Sir Richard, cited on Botliriu.siionihilHx from the Kinnneridgian 



of England 26, 331 



Owen Sound section, Ontario 25, 319 



Ox-BOws in the Connecticut Valley, Glacial 25, 232 



OxFORDiAN in western Cuba 30, 152 



Oxidation, Post-Glacial 23, 289 



Oxides of iron and ferrous iron. Magnetic properties of 27, 60 



Oysters of the Miocene of the Muir syncline 25, 154 



OzARKiAN and Canadian systems. New data on the relations of the; E. O. 



Ulrich 24. 51 



— fauna ; E. O. Ulrich 23, 84 



— sandstones near Madison, Wisconsin 27, 460 



— Stromatoporoids from Pennsylvania. Exhibition of 24, 115 



OzARKS, Quaternary deformation of . . .• 26, 67 



P 



Pacific Association of Scientific Societies, Cordilleran Section met in 



conjunction with 26, 130 



— coast and basin regions. Correlation of Tertiary formations of 25, 156 



