1678 THE VOYAGE OF H.M.S. CHALLENGER. 



Onesimoides, Stebbing, 1888, ..... . .... 647 



Onesimus, A. Boeck, 1872, corrected spelling of Onisimus, ...... 215,393,509,510,568 



Onidium, Parkinson, MS., 1768, 1329, 1617 



Oniscus, Linnaius, 1735, ovI<tkos, a little ass, a wood-louse. Not properly an Amphipod genus, \ _ 11,40 



tboncrli in thp. psrlv authors it from time to time gave its name to various Amphipoda, I 



Onisimus, A. Boeck, 1870, altered afterwards by Boeck to Onesimus, from " Op7J<n/"or, a \ 393 398 568 



though in the early authors it from time to time gave its name to various Amphipoda, 



^simus, A. Boeck, 1870, altered afterwards by Boeck 



Greek man's name." (? = Alibrotiis, Milne-Edwards), 



Opts, Kr0yer, 1842. " Opts nomen virginis Hyperborean, cujus in Melpomene (cap. 33 )\jgg 228 257 283 393 580 582 



mentionem facit Herodotus." Preoccupied among Mollusca, 1825. (See OpAsa, Boeck), J 



Opisa, A. Boeck, 1876. "'fiiriso, a girl in Herodotus." (Instead of Opis, preoccupied), .... 393, 453 



Orattrina, de Natale, 1850. ? from orata, a goldfish, and trina, trilobed (W. Stebbing), . . . 248, 1622 



Orattrino, misspelling of Orattrina, de Natale, .......... 1624 



Orchestes, misspelling of Orchcstia, Leach, ..... .... 457 



(3, 84, 90, 122, 126, 148, 170, 176 



184, 185, 191, 194, 226, 228, 235 



n , , . 1010 . , , 244, 248, 254, 257, 262, 265 



Orchestia, Leach, 1813. , PX ,*ns, a dancer, ^ ^ ^ ^ gJ8> ^ ^ 



I 384, 393, 477, 515, 554, 602 

 ^1636 

 Orchestia, Brandt, 1851, a subgenus of Orchestia, ......... 245 



Orchestia, Dana, 1852, a subgenus of Orchestia, ..... .... 257, 262 



Orchestoidea, Nicolet, 1849. Orchestia, another genus, elSos, appearance, ..... 231, 262, 295 



Orchomcna, misspelling of Orchomene, Boeck. (Scudder, Norn. Zool., p. 222.) 



Orchomene, A. Boeck, 1870. " 'Opxo)i.£vn, a town." The name as found in sundry Greek 1 215, 321, 393, 399, 446, 580, 673 



towns is 'Opxipevos, ........ \ 676 



Orchostoidea, misspelling of Orchestoidea, Nicolet. (Scudder, Nom. Zool., p. 222.) 



Orio, Cocco, 1832. "Un nuovo genere di crustacei, che vo appellare dal nome del primo\.*g jgg ^ 240 °48 492 56-' 



fmiHatnre di Messina Orione." (In exchange for Charvbdis. preoccupied), . . > 



foudatore di Messina Orione." (In exchange for Charybdis, preoccupied), 



. 190, 426 



239, 248, 493 



369, 561, 562 



496 



Orione, the vernacular name of Orio, Cocco, ..... 



Ornithoramphus, de Natale, 1850. ipvis, a bird, f>6.fjL<pos, a beak, . 



Orniihorhamphus, another spelling of Oiiiithoramphus, de Natale, 



Orthopalame, Hoek, 1879. "From 6p66s, straight, and ira\d.)j.ri, palm," 



Otus, Spence Bate, 1862. "From the close approximation of this genus to the preceding \ 



[i.e., Iphimedia], I have chosen for its name that of the son of Iphimedia." Preoccupied j- . 328, 333, 360, 395, 581 



among birds, Cuvier, 1799-1800. (See Odius, LiUjeborg), . . . . ) 



rl43, 171, 175, 184, 190, 232 

 Oxycephalic, Milne-Edwards, 1830. 6£vicf<pa\os, with pointed head, . . -! 236, 241, 259, 327, 347, 452, 470 



U76, 493, 553, 561, 590, 1576 

 Palaeocrangon, Schauroth, 1854. ira\aiis, of a past age, Kpa-yyuv, another Crustacean genus, . . . 277,503' 



Palseogammarus, Zaddach, 1864. iraXaio's, of a past age, Gammarus, another Amphipod 1 „■„ 



genus, .......... ' 



Pallasea, Spence Bate, 1862. Named after Pallas the Zoologist. (One of the Diptera was\ 



named Pallasia, in 1830, by Robineau-Desvoidy, and an Isopod was named Pallasius, in V 33, 309, 335, 372, 395, 581 



1825, by Leach, according to Desmarest), ...... J 



Pallasia, alteration of Pallasea, Spence Bate, ......... 33, 395, 465 



Panope, Leach, 1813. Uavowr), a Nereid, Hesiod, Theogonia, 250. ( = Cyumus, Latreille), .... 85 



Pandora, O. Grimm, 1880. Preoccupied, .......... 509 



Pantoporeia, O. Grimm, 1880. ? for Pontoporeia, ......... 509 



Pancpleea, G. M. Thomson, 1880. TlAvoir\os, in full armour ; the genus "so named from-\ 



the coat-of-mail which envelopes the first-discovered form." Trans. New Zealand Inst. , J- . . . 524 



xiii. p. 213, .......... I 



Panoploca, G. M. Thomson, 1880. Alternative spelling of Panqplsea, ....... 524 



Paradryope, Stebbing, 1888, ............ 1151 



Paradulichia, A. Boeck, 1870. " napi, near to, Dulichia," another genus, ..... 396,402,580 



Paralycsea, Claus, 1879. irapd, near to, Lycsea, another genus, ...... 493, 590, 1567 



Paramssra, variation from Paramrcra, Miers. (Scudder, Nom. Zool., p. 232.) 



Paramcera, Miers, 1875. irapi, near to, Mcera, misspelling of another genus, .... 447,458,913,1654 



Paramphithoe, Bruzelius. 1858. rapi, near to, AmphUhoe, another genus, . . j 313 ' 314 ' 356 ' 395, 425 ' 569 ' 581 



1 The Carboniferous Palxoncragon mentioned on p. 50S is perhaps distinct from Schauroth's Permian genus, but whether an earlier or later 

 name I have not discovered. 



