ONTARIO OPPORTUNITIES 211 



Page 

 Ontario and Quebec, Richmond formations of 24, 110 



— basin. Altitudes and warping in 27, 248 



, Table showing Pleistocene deformation of 27, 244 



— Bureau of Mines, Classification and nonicnclaturo of pre-Canibrian 



rocks adopted by 26, 87 



— , Canada, Deformation of unconsolidated beds in 28, 323 



, Revision of pre-Cambrian classification in 26, 87 



— — , Siluric sections in 25, 308-32(1 



— , Contact of Catai'act formation in 25, 287 



— division, Clarke and Schiichert, Use of term 21, 680 



, Medina, Clinton, and Niagara group termed 21, 680 



— , Cilacial deposits in 25, 71 



— , Cuelph formation of 27, 148 



— , Medina and Cataract formations of 25, 277 



— , Moraines of 2S, 83, 371-375 



— , New Cystid from the Clinton formation of 21, 76 



— , Oriskany sandstones of 23, 83, 371-375 



— , Petroleum in 28, 722 



— , Photograph of Anderdon at Amherstburg 27, 72, 76 



pre-Onondaga jointing at Amlierstburg 27, 74 



— , Pillow lava of 25, 611 



— region. Postglacial deformation of the 25, 65 



Ontario-Saint Lawrence Valley, Great Lakes outlet 24, 232 



Ontario, Silurian system of 25, 40 



— , Temiskamite from 25, 76 



Ontogeny and paleontology; F. B. Loomis and Amadeus W. Grabau. . . 21, 74 



Onyx deposits in east Tennessee ; C H. Gordon 23, 37, 729 



Oolite (great) formation (Jurassic) of England, Origin of 21.647 



Oolites and oolitic structures. Micro-sections of 25, 778-780 



texture, Bibliography of 25, 774-777 



— , Origin of 25, 58 



— in shale and their origin ; W. A. Tarr 29, 587 



— , North American Paleozoic 29, 102 



— of Pennsylvania 25, 760 



; Analyses of 25, 767 



■ the Chinmey Hill formation, Oklahoma ; C. A. Reeds 25, 75 



— , Origin of 25, 745 



— Monroe 21, 645 



— , Siliceous 29, 103 



— , Theory of production of 26, 58 



Oolitic and pisolitic barite from the Saratoga oil field of Texas ; E. S. 



Moore , 25, 77 



— iron ore 25, 768 



— sand, Great Salt Lake, Utah 31, 645 



— structures discussed by members 29, 103 



, Inorganic production of 29, 103 



— textures in rock. Origin of 25, 745 



Opportunities for geological work in the far Arctic ; W. E. Ekblaw 29, 85 



