GENERAL INDEX. 



289 



Omydaus plinthoides, Fascoe * , xi. 



199 ; xii. 94. 

 Oncsea obtusa, Dana, xx. 153. 

 Onchidium, sp., from Cornwall (Couch), 



Proc. ii. 152. 



— celticum, Cuv., Proc. ii. 152. 

 Onchotrochus, Dune, xviii. 9, 10, 12, 



25, 194. 

 Oncidium, Buck., xv. 164, 165. 

 Oncininea, xiv. 637, 639. 

 Oncinopus, De Haan, xiv. 636, 638, 639. 

 Oncinotus, Erichs., ix. 139. 



— aranea, De Haan, xiv. 646. 



— Neptunus, Adams and White, XX. 



109. 

 Ondaatje, Dr. Wm. Charles, elected 



Fellow, Proc. (1882-83) 4. 

 — , resigned, Proc. (1888-90) 11. 

 — , exhibits Corals from Ceylon, Proc. 



(1882-83) 5. 

 Onesimus Edwardsii, Kroner, xv. 66. 

 Onesorus, Pascoe * , X. 483, 485 ; xii. 



81. 



— candidus, Pascoe * , X. 483 ; xii. 



81. 



— maculosus, Fascoe * , X. 483, 493 ; 



xii. 81. 



— obesus, Fascoe * , X. 483, 486 ; xii. 



81. 



— tigrinus, Fascoe, xii. 81. 

 Oniscia, Sow., xv. 245. 



— cancellata, Sow., XV. 268. 



— cithara, Watson * , XV. 266. 



— Denisoni, Reeve, XV. 268. 



— grandis, A. Adams, XV. 268. 

 Oniscigaster Wakefleldi, McLacJil. * , 



the singular Insect from New 

 Zealand, belonging to the Family 

 Ephemeridee; with Notes on its 

 Aquatic Conditions (R. McLach- 

 lan), Proc. (1873-74) xx; xii. 

 139-146. 

 Oniscosoma, Sars, X. 242. 



— arcticum, Sars, x. 242. 

 Oniscus, Linn., iv. 36 ; xi. 28. 



— balthicus, Pallas, xvi. 26. 



— ent-omon, Linn., xvi. 12. 



— hecticus, Fallas, xvi. 46. 



— linearis, Linn., xvi. 47. 



— marinus, Linn., xvi. 25. 



— psora, Linn., xv. 65. 



— tridens, Scopoli, xvi. 25. 



— ungulatus, Pallas, xvi. 52, 54. 



— (Idotea) entomon, Dalyell, xvi. 48. 

 Onitis, Fahr., xi. 72, 76. 



Onley, Charles Saville, death announced, 



Proc. i. 207. 

 Onthobium, Reiche, xi. 88. 

 Onthophagus, Latr., xi. 52, 72. 



— nasicornis, Reiche, xiii. 131. 



Onthophagus Sharpi, Von Harold, xiii. 

 131. 



— tapirus, Sharpe * , xiii. 130, 131. 

 Onuphididse, X. 341, 354. 

 Onuphis, Aud. ^ Milne-Edw., X. 354, 



360. 

 ^ conchy lega, Sars, X. 356, 361. 



— Eschrichti, OErsted, x. 356, 361. 



— tubicola, Muller, X. 357, 360. 

 Onus cimbrius, Linn., xx. 446. 



— maculatus, Risso, xx. 446. 

 Onychodactylus, Tsch., xiv. 718. 

 Onychomorpha lamelligera, Stimps., 



XX. Ill, 117. 

 Onychopoma, Pascoe * , xi. 445 ; xii. 

 81. 



— parda, Fascoe * , xi. 445, 491 ; xii. 



81. 

 Onychoprion, Wagl, xiv. 403. 

 Onychoteuthis, Licht,, xi. 93. 

 Onycognathus Hartlaubi, Gray, xvii. 



427. 

 Onythes, Walk., xii. 430. 



— pallidicosta. Walk., xii. 430. 

 Oocercea, Roger, xi. 324. 



— fragosa, Roger, xi. 324. 



Oonops pulcher. Tempi., Proc. 1. 133 ; 



vii. 156. 

 Oophorus, Eschsch., xi. 84. 

 Oopsis, Fairm., xi. 86. 



— nutator, Fabr., ix. 67, 89, 141. 

 Opalina, Furk., xii. 204. 

 Opatrinus, Dej., xi. 85. 

 Opatrum, Fabr., xi. 24, 77, 88. 

 Opeas Bectiana, Pfeiffer, xx. 502. 



— octonoides, G. B. Adams, XX. 502. 



— subula, Pfeiffer, XX. 502. 

 Opechinus, Desor, xvi. 448, 449,451. 



— percultus, Desor, xvi. 449. 

 Operaria, J. Blackmail * , Proc. i. 66. 

 Operculum of Univalve Shell (Mac- 



donald), Proc. (1859-60) v; V. 

 204-209 ; xvi. 354. 

 Ophiacantha, Miiller, xiv. 446, 481 ;. 

 XX. 560. 



— Dallasii, Dune. * , xiv. 448, 449, 



471. 



— indica, Lym., xiv. 473. 



— steUata, Lym., xiv. 446, 473. 

 Ophiacanthinse, xiv. 448. 

 Ophiaetis affinis. Dune. * , xiv. 448, 



449, 469, 481, 482. 



— Miilleri, LMke, xiv. 481. 



— Keinhardtii, Liitke, xiv. 469, 481. 



— sexradia, Grube, xiv. 446, 448, 469, 



481. 



— simplex, Liitke, xiv. 481. 

 Ophiarachna, Miiller, xiv. 447. 

 Ophiarthrum, Pet., xiv. 447. 

 Ophicardia, M'Clell., xiv. ftnote 557. 



IT 



