[i 9 io.J 



192 



Oolites, formation of. — Cayeux, L., 2 ; 

 Fischer, H., 2. 



■ , physical properties of. — Baldwin- 

 Wiseman, W. R. 



Oolitic iron-ores. — Cayeux, L. : Franchi, 

 S.,3. 



Muschelkalk, Jena. — Krech, K. 



Ooze, Indian Ocean. — Gardiner, J. S., 2; 



Murray, Sir John, 1 & 2. 



, Pacific Ocean. — Cushman, J. A. 



■ , irrigation &. — Friend, H.; Hor- 



wood, A. R., 8. 

 Opal. — Leitmeier, H. 

 Ophiraphididae, Cretaceous. — Schram- 



men, A. 

 Ophite, Bet chat. — Roussel, J. 

 ' Ophitic,' use of term. — Winchell, A. N. 

 Ophiuroidea, Silurian. — Schoendorf,F., 3. 

 Opis.— Thevenin, A., 3. 

 Opissaster. — Fourtau, R. 

 Opisthoptera. — Hind, W., 2. 

 Oppelia. — Dacque, E. ; Krenkel, E. ; 



Uhlig, V., 5. 

 Oran (Algeria). — Douville, H., 5. 

 Ordn (Argentina).— Flores, E. M. 

 Orange Free State (S. Afr.). — Cook, 



G. W. ; Kellner, B. O. ; Melvill, E. 



H. V. ; Merensky, H. ; Peet, H. F. E. 

 Oebigny's types. — See Orbigny, A. d', 



1-4. 



Orhitolites. — Arnold, R. 

 Orciano (Tuscany). — Fucini, A. 

 Orciatico (Tuscany). — Martelli, A., 2. 

 Ordnance Survey Office, Southampton. — 



Watts, W. W., 2. 

 Ordovician, Carmarthen. — Drew, H. 



, Carnic Alps. — Bather, F, A., 7. 



, Galwaj 7 . — Gardiner, C. I., 1 & 2. 



■ , Illinois. — Savage, T. E. ; Weller, 



S., 3. 



, Michigan. — Lane, A. C. 



, Sweden. — Tcernquist, S. L. 



zones.— Reed, F. R. C, 3. 



Ordu (Asia Minor). — Freeh, F. ; Koss- 



mat, P., 3. 

 Ore-deposits, Argentina. — Flores, E. M. 



, Asia Minor. — Anon., 20. 



■ , Canada— McLeish, J., 1 & 2 ; 



Young, G. A.,- see also Bkitish 



Columbia. 



■ , Chile.— Sundt, F. A. 



, Magellan district. — Stappen- 



beck, R., 2. 



, Nevada. — Ransome, F. L., 3. 



, New Mexico. — Lindgren, W., 



3. 



■ , Norberg. — Petersson, W. 



, Peru. — Jimenez, C. P. 



, Pyrenees. — Muehl-bach, — . 



, Tasmania. — See Tasmania, 



Dep. Mines, 1-5. 



, Transvaal. — Kynaston, H., 2. 



, Wiirtemberg. — Schmidt, A. ,6. 



, classification of. — Adam, J. 



W. H. 



, enrichment of. — Bancroft, G. 



J.; Bard, D. C. ; Ransome, F. L., 2. 



Ore-depcsits, metasomatic processes of 

 formation of. — Krusch, P., 2. 



, origin of. — Burchard, E. F., 



2 & 3; Penrose, R. A. F., 2. 



. See also Copper, Iron, Gold, 



Tin, Src. 



Oregon (U.S.A.).— Knowlton, F. II., 



2-4; Reagan, A. B., 2. 

 Orenburg (Russia). — Bogolubov, N. N., 



2; Handlirsch, A., 3; Krotov, P. 

 Orenburg-Tashkent Ry. (W. Siberia). — 



Nikitin, S. ; Zalesski, M. D., 2. 

 Orfano, Mte. (Piedmont). — Gonnard, P., 



7. 



Oriano (Tuscany). — Stefano, Gius. de. 

 Orleanais (France). — Combes, P., fil. ; 



Dollfus, G. F. ; Filliozat, M., 2. 

 Orne (Normandy). — Lignier, O. 

 Omo (Sweden). — Hcegbom, A. G., 3. 

 Orography, Germany. — Mordziol, C. ; 



Stille, H., 2. 



, Lapland. — Holmquist, P. J. 



, Morocco. — Gentil, L., 1-3. 



, Sweden. — Nordenskjoeld, 0. 



, Sze Chuen. — Legendre, A. F. 



, geology &. — Berthaut, — . 



Orroroo Plain (S. Austral.). — Howchin, 



.. w. 



Ors-Lake peat-bog (Svealand). — Ser- 



nander, R. 

 Orthis.— Reed. F. R. C. 

 Orthite. — Fromme, J.; Liebisch, T. 

 Orthocentrus. — Brues, C. T. „ 

 Orthoceras. — Kindle, E. M., 2; Zelizko, 



J. V., 2. 



Orthoclase, Lipari Is. — Bergeat, A. 

 inclusions, Pardines basalt. — 



Gonnard, F., 3. 

 Orthodesma. — Hind, W., 2. 

 Orthogneisses, ages of. — Berg, G. 

 Orthonema. — Lee, W. T., 2. 

 Orthonota — Hind, W., 2; Kindle, E. 



M.,2. 



Ortlwpliragmina. — Douville, R. 

 Orthopsis. — Fourtau, R. 

 Orthotetes. — Thomas, I. 

 Or y otocephalus. — Reed, F. R. C, 2. 

 Osmunda. — Faull, J. H. 

 Osmundacese, origin of. — Kidston, R. 



, Permo-Carboniferous. — Gordon, 



W. T., 2. 



Osnabriick (Hanover). — Haack, W. ; 



Haarmann, E., 1 & 2 ; Lohmann, W. ; 



Schcendorf, F., 5 ; Stille, H.. 

 Osning (Hanover). — Mestwerdt, A. ; 



Stille, H. 



Ossovski, G. I., Obit. — See Kuznetzov, 

 ..S. D. 



Ostersund (Jemtland). — Hcegbom, A. 

 G., 4. 



Ostracion. — Leriche, M. 



Ostracoda, Carboniferous. — Lee, W. T., 



2 ; Tietze, O. 



, Cretaceous. — Franke, A. 



Ostrau (Moravia). — Bartonec, B. F. ; 



Fillunger, A. ; Petrascheck, W., 2 ; 



Schmidt, A., 2. 



