INDEX FROM 1861^-1905. 



Oil 



Oats, Francis. Diamond-fields 



of S. Africa, 83, 135 

 Oberburg, Fossils from, 74, 140 

 Obermittweida Conglomerate, 89, 



570 

 Oblique and Orthogonal Sections 



of Folded Plane, 81, 20, 237, 



383 

 Obliquity of the Ecliptic, 67, 275 

 Obolella granulata, Sharman, sp. 



nov. 86, 566 

 Observations on Ameghino's Geo- 

 logy of Argentina, 97, 20 

 • on Causes of Volcanic Action, 



82, 30 

 ' on Cliffs and Valleys of Wales, 



6-6, 387 

 — — on Hyperodapedon Gordo7u^ 



89, 286 

 ' on imperfectly known Madre- 



poraria, 86, 52 

 on Zoantharia - Rugosa, 66, 



356,406 

 Obsidian Bombs from Australia, 



94, 136 _ 

 • Composite Spherulites in, 90, 



233 

 — — Pilas, Mexico, 91, 285 



Strains in, 85, 91 



Occurrence of CalcisphcercE in 



Gloucestershire, 88, 377 

 • of Ceratiocaris in Wenlock, 



66, 203 

 < of Ceratozamia in Tertiary of 



Styria, 88, 152 

 — — of lolite in Granite of Co. 



Dublin, 88, 517 

 ■ of Lr. Old Red Conglomerate 



in Donegal, 86, 31 

 — — of Piedmontite Schist in 



Japan, 89, 330 

 of Radiolarians in Cretaceous 



Strata, 89, 80 

 ' of Soda-Felsites in Wicklow, 



89, 70, 288 



of Tachylyte in Mull, 88, 555 



Ocean Basins, Permanence of, 84, 



431, 525 ; 86, 97, 189, 288 

 * Ocean' Island (or Banaba), 03, 



298 

 Ocean, Level of, 88, 113 

 < Movements of, 83, 487 



Oceanic Deposits, Chemical Com- 

 position of, 95, 186 



Islands, 81, 75 



Islands and Shoals, 85, 516 



Oceans and Continents, 80, 385 



Permanence of Elevation, and 



Subsidence of, 80, 357 ; 81, 

 241, 289; 83, 309, 524 



Ochsenius, Dr. Carl. Metal- 

 liferous Deposits, 84, 310 



Odontaspis Houzeaui, A. S. Woodw. 

 sp. nov. 91, III 



Odontological Society of London, 

 67, 323 



Odontopteris Plantiana^ Carr. sp. 

 nov. 69, 155 



Odontopteryx toliapicus, Owen, 73, 

 376 



Odontornithes., or Birds with Teeth, 

 73, 115 ; 76,49 



Oehlert, TSl. D. Two Genera 

 of Devonian Crinoids, 79, i;i6 



Oeningen, Miocene Insect Fauna , 

 of, 95, 116 



Rodents from Miocene of, 99, 



363 

 Offaster pilula., 02, 527 

 Og'ilvie, Blaria M. Fossils of. 



Upper Trias, St. Cassian, Tyrol, 



92, 145; Corals in 'Dolomites,' 

 94, I, 49 ; Microscopic and 

 Systematic Study of Madrepo- 

 rarian Corals, 97, 170; Torsion- 

 structure of Dolomites, 99, 89 ; 

 Translation of Zittel's History of 

 Geology and Palteontology, 02, 

 174 ; Monzoni and Upper Fassa, 

 02, 309, 384 



O^ygia, Asaphus, and Ptyckopyge^ 

 67, 14 



Ohio Cladodonts, Upper Devonian 

 of, 95, 473 



Fossil Tree in Clinton Lime- 

 stone of, 78, 558 



— — Geological Survey, 71, 277 ; 

 72, 556 ; 74, 370 



Upper Devonian Fishes of, 



93, 443 



Oil-bearing Deposits of N.S. Wales, 

 66, 224 



Mineral, 65, 479 



Mineral in Galicia, 74, 320 



197 



