268 



fco 

 BB 

 85 



Olivin, Zwillinge in Ge- 

 steinen .... 1887 



— in Hornblende umgew 



— in Meteoriten . . . 



— Jan Mayen . . . 



— Insel Bonrbon . , 



— Londorf 87 



— Shooter 86 



— Sierra Nevada 



— Ural .... 

 Olivin-Diallaggestein, 



Schriesheim . . 



85 

 88 

 85 

 88 

 88 

 87 

 85 

 85 



Olrvinfels, Heldburg . . 



— Xorrland . . . 

 Olivingabbro, Westafrika 



— Pallet ..... 



— Szarvaskö . . . 

 Olivingesteine, Norrland . 



— Spanien ..... 

 Olivinit, südwestl. Schweden 89 



— Smäland 87 



01ivin-Kersantit,Paraguay 86 

 Omosaurus durobrirensis 89 

 Omosoma Monasterii . . 85 

 Ornphalotrochus . . . BB YI 

 Ompholophyllia .... 87 II 



Onchosaurus 89 I 



Onchus granulatus ... 86 I 

 Onkospira pupaeforrnis . 87 II 

 Onustus levis, supraliasinus 87 II 

 Onvckochilus ..... 85 II 



Oolith (Eisenoolith) . . BB IY 



— Windgällen . . , 

 Oolithablagerungen, Flora, 



westl. Frankreich und 



England 88 I 



Oophima labyrinthica . . 89 II 

 Opal, Xagasaki (Japan) . 86 II 



— Queretarö .... 86 I 

 Operculina cf. canalifera, 



discoidea, libyca, pyra- 



midium 85 I 



Opetionella alpina . . . 86 II 



Ophileta BB YI 



Ophioderma asteriforniis . 88 II 

 Ophiolit, Toskana 



1888 II 260. 89 II 

 Ophiraphidites anastomans 85 I 

 Ophit, Algarve .... 89 II 



— Ariege . 



— Corbieres 



— Grenada . 



— Oran . . 



— Portugal 



— Pyrenäen 1886 



— Spanien . . . 



89 II 

 86 II 



86 II 

 85 II 



87 I 

 87 I 



Ophiura loricata, prisca 1888 I 

 I 414 Ophiurella nereida . . 89 II 

 II 90 — primigenia . . 

 Y 131 Ophiuren, Bhät, England 

 I 432 Ophthalmidiuni . . . 

 86 II 352 — Birmensdorfensis, ca 

 I 218 rinatum .... 

 I 20 — nubeculariformis . 

 BB Y 560 1 — Walfordi . . . 

 86 I 11 Opisoina excavata , hip 



ponyx 



242 Opistopteryx curtus . 

 247 Oppelia . . . . . 

 35 — baccata, distorta . 

 253 i — gigantea .... 



63 1 — gracililobata . . 

 279 | — Hermonis . . . 

 427 — niinax, Nycteis, pau 

 427 cirugata .... 

 460 — platyomphala . . 

 470 — praeradiata . . 

 246 — pseudoculata . . 

 491 — subaspidoites, subpli 



359 catella 



419 1 — tenuilobata . . . 

 192 1 — Yalfinensis . . . 

 201 1 — Weinlandi . . . 



459 Opsigonus 



182 j Optik, theoretische 

 182 Optische Aenderung durch 

 196 Wärme . . . 

 395 Optische Verhältnisse zvrei- 

 88 I 12 axiger Kry stallplatten 



'BB YI 241, 

 Oracanthus 1885 I 324. 87 II 

 361 ! — Burmeisteri ... 87 H 



169 I Orbipora 88 II 



30 | — dilabida , ephippium, 

 14 nudimargo, papyracea, 



subradiata .... 85 I 

 Orbitulites circumvallata 86 I 

 79 I — cf. complanata, Pha- 

 .26 raonum .... 

 407 — praecursor . . . 

 144 Orbulina universa ... 85 I 

 Orcynus Komposchi . . 87 II 

 93 ! Oreas latidens 1886 1 468. 88 II 



■337 Oreodon 85 II 



96 Oreodoxites plicatus . . 86 I 

 1885 II 311, 314 I Oribates convexulus . . 87 I 

 . . 89 II 90 | Oriostoma 1885 II 194. BB YI 425, 



. . 88 II 256 Ormoxylon 86 I 



. . 87 II 111 Ornithaster Evaristei . . 88 I 

 . . 85 II 285 Ornithocheirus hilsensis 



88 II 416 1885 I 317. 86 II 



85 II 426 Ornithodesmus cluniculus 88 I 



86 I 

 88 II 

 BBIII 

 •88 II 



86 II 



87 II 



88 II 



88 II 



87 II 



88 II 

 88 II 



87 II 

 87 I 

 87 II 

 87 I 



85 n 

 87 n 



318 

 204 

 147 

 195 

 452 



194 

 193 

 192 



91 

 321 

 695 

 450 

 108 

 182 

 110 



450 



182 

 490 

 450 



182 

 156 

 507 

 156 



356 

 240 



85 I 175 



259 

 366 

 365 

 169 



79 



90 



85 I 



86 I 



I 69. 



75 

 90 

 487 

 373 

 137 

 148 

 155 

 342 

 477 

 133 

 128 



113 

 110 



