[I905-] 



176 



Oolite, Bedfordshire. — Woodward, H. B., 

 6. 



, Durdham Downs. — Short, A. R. 



, Oxfordshire. — Walford, E. A. 



, Somerset. — Tutcher, J. W. 



Oolitic iron-ore, Lorraine. — Bailly, L. 

 limestone, Congo Free State. — 



Preumont, G. F.J. 

 Ooze, Atlantic. — Anon., 30 ; Bruce, W. S. 

 , Pacihc— Fuchs, T., 4 & 7; Klotz, 



0. 



Ophiopsis. — Gorjanovic-Kramberger, K. 



Ophir (Africa). — Braga, E. 



Opliitic rocks, Apennine Cretaceous. — 



Sacco, F., 5. 



, coarseness of. — Lane, A. C. 



Ophiurida?, Devonian. — Bather, P. A., 2. 

 Oppelia. — Collet, L. W. ; Simionescu, 



L, 2. 



Oppeln (Silesia).— Audrete, A. ; Flegel, 

 K., 2. 



Oran (Algeria). — Gentil, L., 2 ; Levat, 



D. ; Thevenin, A. 

 Orange-River Colony (S. A.). — Hatch, 



P. H., 4; Jorissen, E. ; Philippi, E., 



4 ; Watermeyer, F. S. 

 Or6iceZ?a.— Felix, J., 2. 

 Orbicular granite. — Bajckstrcem, H. ; 



Rimann, E. 



tuff, Arizona.— Blake, W. P., 4. 



Orbiculoidea. — Stobbs, J. T. 

 Okbigny's, a. d', 'Moll. Viv. et Foss.', 



&c., dates of publication of. — Sherborn, 



C. D., 1 & 2. 

 Or&/^oi<ies.— Cliecchia-Rispoli, G., 2 ; 



Grossouvre, A. de ; Sclilumberger, C. 



■ -limestone, I sere. — Paquier, V. 



Orhitolina. — Douville, H., 5. 

 Orbitolinidai, Prever, P. L., 3. 

 Ordovician, Britanny. — Bigot, A. 

 , Canada & New York. — Raymond, 



P. E., 2 ; Ruedemann, R. 



, Gothland. — Persson, E. 



, Indiana & Ohio.— Fcerste, A. F., 



1&2. 



, Merioneth. — Fearnsides, W. G. 



, Pembrokeshire. — Reed, F. R, C. 



, Victoria. — Chapman, F. 



Ore-deposits, Comstock Lode. — Reid, J. 

 A. 



, contact-metamorphism &. — 



Ermisch, K., 2 ; Turner, H. W. ; Van 



Hise, C. R. See also Contact, Sfc. 

 , Great Britain & Ireland. — 



Home Office, 1-4. 



, Hungary. — Posewitz, T. 



, origin of. — Ba3hmer, M. ; 



Gillette, H. P.; Lindgren, W., 2; 



Prichard, W. A. ; Van Hise, C. R. 



, Peru. — Denegri, M. A. 



, possible natural transport of. 



— Launay, L. de, 2. 

 , Silesia. — Guerich, G., 2 ; 



Michel, R. ; Sachs, A., 2. 

 , surface - indications of. — 



Lakes, A , 2. 



, valuation of. — Park, J., 4. 



Ore, Loch (Fife).— Anon., 29. 



Ore Valley (Western Bothnia). — Hoeg- 



bom, A. G., 2. 

 Oregon (U.S.A.). — Branner, J. C. ; 



Emmons, S. P., 2 ; Jamieson, G. S. ; 



Louderback, G. D. ; Russell, I. C, 3. 

 O'Reilli', J. P. Obit— See Anon, 8; 



Cole, G. A. J., 2 ; Seymour, H. J. 

 Orel Gov. (Russia).— Tchirvinski, P. N. 

 Oriolo (Calabria). — Crema, C. 

 Ormara headland (Mekran coast). — ■ 



Woodward, H., 3. 

 Ornato, Mte. (Apuan Alps). — Vaglini, 



C. 



Orography, Asia (E.).— Hobbs, W. H. 



, experimental. — Avebury, Lord. 



. See also Mountain-structure, ^c. 



Orometopus. — Wiman, C. 

 Orophocrinus. — Rowley, R. R. 

 OroviUe (Cal.).— Knox, N. B. 

 Orthidium. — Raymond, P. E., 2. 

 Or^7«\<?.— Chapman, F. ; Dun, W. S. ; 



Raymond, P. E., 2 ; Reed, F. R. C. 

 Ortlioarthrus. — Ameghino, P., 7. 

 Ortlioceras.—YLm(\, W,, 2; Stobbs, J. 



T. 



Orthochcetus. — Morgan, J. de, 2. 

 Orthoclase. — Gonnard, F. 

 Orthodesma. — Reed, F. R. C. 

 Orthodolops. — Ameghino, F., 7. 

 Orthophlehia. — Bode, A. 

 Orthophragmiyia. — Prever, P. L., 1 & 2 ; 



Schlumberger, C. 

 Ortiz Mts.(New Mexico).— Ogil vie, I. H., 



2. 



Ortler (Tyrol).— Hammer, W., 1 & 3. 

 Oruro (Chile). — Avalos, C. G. 

 Orvieto (Umbria). — Vinassa de Regn^-, 

 P. 



Orycteropus. — Ameghino, F., 6. 

 Osamka (Perm). — Duparc, L. 

 Oskarshamu (Gothland). — Svedmark, E., 

 2. 



Osmosis, ore-formation &. — Gillette, H. 

 P. 



Osmunda. — Stanton, T. W. 



Ossegg (Bohemia). — Hibsch, J. E. ; 



Hoefer, H., 2. 

 Ossiferous cavern, Hoe-Grange Quarry. — 



Arnold-Bemrose, H. H. 

 Ossola (Piedmont). — Lincio, G. ; Stella, 



A.,2. 



Ostracoda, Devonian. — Jones, T. R., 2; 



Thomas, I. 



, Ordovician. — Raymond, P. E., 2. 



, Quaternar3^ — Sieber, — . 



• , Silurian. — Wiman. C, 2. 



, Tertiary.— Clark, W. B. ; Lienen- 



klaus, E. ; Sieber, 

 , Triassic. — Jones, T. R. ; Newton, 



R. B., 2. 



Ostrea. — Dacque, E. ; Krumbeck, L. • 



Loriol, P. de ; Nordmann, V., 2 ; 



Richardson, L., 3 ; Thomas, P. ; 



Wilckens, O. 

 Otago (N. Z.).— Park, J., 3 ; Peck, W. ; 



Marshall, P., 1 & 2. 

 Otidophyton. — Smith, G. 0. 

 Ofoeeras-beds, Himalayas. — Diener, C. 



