AUTHOR-SUBJECT INDEX, 1849-1961 



139 



Oregon 

 Crater Lake, Oregon, by J. S. Diller. 



1897: 369-379 

 Stone age in Oregon, by M. Eells. 

 1886: 283-295 

 Ores 



Geology of the inner earth — igneous 

 ores, by }. W. Gregory. 1907: 311- 



33° 

 Iron-ore reserves, by Charles Kenneth 



Leith. 1906: 207-214 

 Problem of the metalliferous veins, by 



James Furman Kemp. 1906: 187- 



206 

 Theories of ore deposition historically 



considered, by S. F. Emmons. 1904: 



309-336 

 Organic bases 



Organic bases, by A. Bauer. 1872: 



196-202 

 Organs, animal 

 Survival of organs and the culture of 



living tissues, by R. Legendre. 1912: 



413-420 

 Orient 



Historical tradition and oriental re- 

 search, by James Henry Breasted. 



1924: 409-414 

 Oriental elements of culture in the 



Occident, by Georg Jacob. 1902: 



509-529 

 Oriental scholarship during the pres- 

 ent century, by Frederick Max 



Miiller. 1893: 681-700 

 Progress of oriental science in America 



during 1888. 1888: 675-702 

 Roman Orient and the Far East, by 



C. G. Seligman. 1938: 547-568 

 Stone Age basis for oriental study, by 



E. B. Tylor. 1893: 701-708 

 See also China, Japan, etc. 

 Orientation 



Laws of orientation among animals, by 



G. Reynaud. 1898: 481-498 

 Ornaments 



Gold, silver, and other ornaments 



found in Florida, by J. Francis Le 



Baron. 1882:719-793 



632372—62 10 



Ornithology 

 Field study in ornithology, by H. B. 



Tristram. 1893: 465-485 

 Ornithological exploration of the 

 Caribbee Islands, by F. A. Ober. 

 1878: 446-451 

 See also Birds 

 Oropendola 

 Nesting habits of Wagler's oropen- 

 dola on Barro Colorado Island, by 

 Frank M. Chapman. 1930: 347- 

 386 

 Orthoptera 



Economic consideration of Orthoptera 

 directly affecting man, by A. N. 

 Caudell. 1917: 507-514 

 See also Grasshoppers 

 Orton, Edward, Origin of rock pres- 

 sures of natural gas in Trenton 

 limestone of Ohio and Indiana. 

 1891: 155-162 

 Osage Indians 

 Were the Osages mound builders? by 

 J. F. Snyder. 1888: 587-596 

 Osborn, Henry Fairfield, Present prob- 

 lems in evolution and heredity. 

 1892: 313-374 

 Osgood, Wilfred H., Ned Hollister, 



1876-1924. 1925: 599-619 

 Osten Sacken, C. R., So-called Bugonia of 

 the ancients, and its relation to a 

 bee-like fly — Eristalis tenax. 1893: 

 487-500 

 Ostriches 

 Plumages of the ostrich, by J. E. Duer- 

 den. 1910: 561-571 

 Ostwald, W., Chemical energy. 1893: 



231-238 

 Otters 

 Sea otter, by Karl W. Kenyon. 1958: 



399-4 7 

 Owls 



History of certain great horned owls, 

 by Charles R. Keyes. 1911:395-405 

 Oxygen 



Magnetic properties of liquid oxygen, 

 by James Dewar. 1893: 183-187 



Oxygen and its combinations, by 

 George J. Chace. 1855: 143-149 



