146 



Nyasaland. — See Great Britain, 



Colonial Reports, 6. 

 Nyctosaurus. — Williston, S. W., 4. 

 Nyitra district (Hungary). — Wattenwyl, 



Oaks Goldfield (Queensl.).— Marks, E. 

 O. 



Oaxaca (Mex.). — Birkinbine. J. L. W. 

 Obsidian. — Merrill, G. P.; Wicbmann, 

 A. 



Obstchei Syrt (Russia).— Sokolov, D. 

 N., 2. 



Oceanic falls of dust. — Thoulet, J., 2. 

 Oceanograpb}', geology &. — Meunier, 

 S., 8. 



Oculina. — See Sweden, Antarctic 



Exped. no. 5. 

 Odenwald (Hesse). — Klemm, G. 

 Odontaspis. — Stefano, G. de ; Stromer, 



E. 



Odontopteryx. — Spulski, B. 

 Odostomia. — Bayarunas. M. V. 

 (Egel Lake (Prussia).— Potonie, H., 3. 

 Oeleghem (Antwerp). — Hasse, G., 5. 

 (Ensingen (Solothurn).— Gertb, H.,2. 

 Oenz R. (Switzerland). — Baumberger, 

 E. 



Oesia.— Walcott, C. D., 4. 



(Etz Valley (Tyrol).— Hradil, G. 



Ohau R, (N.Z.J.— Adkin, G. L. 



Ohio (U.S.A.).— Bassler, R, S. ; Bow- 



nocker, J. A., 1 & 3 ; Burroughs, W. 



G. ; Hubbard, G. D. ; Hyde, J. E., 1 



& 2; Morse, W. C. ; Van Horn, F. 



R. ; Worcester, W. G. 

 Oklahoma (U.S.A.). — Gould, C. N. ; 



Hutchinson, L. L. ; Reeds, C. A., 1 & 



2 ; Snider, L. C, 1 & 2. 

 Old Red Sandstone.— Boulton, W. S. ; 



Woodward, A. S. _ 

 Oldhaven Beds. — Briquet, A. 

 Olemis Series. — Chapman, F., 2. 

 Oligocene, Dordogue. — Glangeaud, P. 

 , Italy. — Fabiani, R., 6 ; Rovereto, 



G. 



, Kolozsvar. — Koch, A. 



, Rhenish Prussia. — Quaas, A. 



Oligopleurus. — Traquair, R. H. 



Omboni, G., Obit.— See Dal Piaz, G., 2. 



Ompert (Rh.-Pruss.). — Quaas, A. 



Om plia lo pit I o ios. — Cambier, R. 



Omphalosaurus. — Merriam, J. C, 7. 



Onchus — Priem, F., 3. 



' Onondaga Sea.' — Kindle, E. M., 3. 



Ontario (Canada). — Baelz, W. ; Baker, 

 M. B.; Bowen, N. L., 1 & 2; Bur- 

 rows, A. G. ; Gibson, T. W. ; Gold- 

 thwait, J. W.; Grant, C. C. ; Hore, 

 R. E. ; Miller, W. G., 1 & 2 ; Moore, 



E. S., 1-4 ; Parsons, A. L. ; Springer, 



F. ; Wilson, A. W. G., 2 ; see also 

 Ontario, Bur. Mines. 



Onychella. — Canu, F. 



Oolitic Series. — Paris, E. T., 1-3 ; 



Richardson, L., 2. 

 Oolitic iron-ores. — Cayeux, L., 3, 8, & 10. 



Oolopygus. — Lambert, J., 4. 



Ooze, Thames R. — Friend, H. 



Opal. — Hauser, 0. ; see also Xew SoriH 



Wales, Dep. Mines. 

 Ophidia, Tertiary. — Stromer, E. 

 Ophisaurus. — Kormos, T., 3. 

 Ophite. — Souza-Brandao, V. 

 Oppelia.— Favre, F. ; Uhlig, V. 

 Oppenheim (Hesse). — Steuer, A.. A. 

 Orangia (S. Afr.). — Harger, H. S. 

 Orbitoidal limestone. — Newton, R. B., 



2. 



Ordovician, Anticosti. — Schuchert, C, 

 3. 



, Illinois.— Savage, T. E. 



, Montgomeryshire. — Wade, A., 2. 



, Pembroke. — Pringle, J. 



, Sweden. — Horn, E. 



, Virginia— Watson, T. L., 2. 



. classification of North American. 



— Ulrich, E. 0., 2. 

 Ore-deposits, Alaska. — Brooks, A. H. 

 , Canada. — Gibson, T. W. ; 



McLeish, J. 

 , Great Britain, &c. — See 



Gkeat Britain, Home Office, Mines 



& Quarries, 1-4. 



, Queensland. — Wilson, J. B. 



, Salzburg. — Canaval, R. 



, South Australia. — See South 



Australia, Dep. Mines, 1 & 2. 

 , Tasmania. — See Tasmania, 



Dep. Mines, 1-3. 



, Tyrol. — Lazarevic, M. 



■ , United States. — Bancroft, H. ; 



Boehmer, L.; see also United States, 



Geol. Surw, 1 & 2. 

 , classification of. — Krusch, 



P., 3. 



. distribution of. — Rausome, 



F. L. 



, origin of. — Bancroft, G. J. ; 



Keyes, 0. R., 4; Stutzer, 0., 5. 

 ■ , prospecting for. — Baz y 



Dresch, J. 



, replacement of. — Irviutr, J. 



D. 



, secondary enrichment of. — 



Emmons, W. H; Finlayson, A. M. 

 ■ , sulphidic zones. — Lazarevic, 



M., 1 & 2. 

 Orenburg Gov. (Russia). — Sokolov, D. 



N., 1 & 2. 

 Orepuki (N.Z.). — Farquharson. R, A. 

 Orinoco R, (S. Am.).— Bendrat, T. A. 

 Orjen Mts. (Dalmatia).— Sawicki, R. 



von. 



Orlau (Moravia). — Petrascheck, W. 

 Orne (France). — Lignier, 0. 

 Oronsay (Hebrides). — Craig, E. H. C. 

 Orsova'(Hunaary). — Schreter, Z. 

 Orthis.— Matley, C. A., 2 ; Reed, F. R. 



O, 2 ; Spriestersbuch, J. 

 Orthoceras. — Stoyanov, A. A. 

 Orthoclase. — Gonnard, F., 4. 

 OHlwmylacris. — Bolton, H. 

 Orthon ychia. — Barrande, J. 



