ALl'lI AliKTIf'AL INDEX. 



449 



nematophoi'us (Platysta- 



ciis), :270. 

 Nematopoma, 287. 

 nemattirus (Chalcinus), 



iipuimnis (Bagrus), 80. 

 nciimnis (Hemibagru9\ 



N». 

 nnuuiru* (Macrones), 80. 

 Neoscopelus, 404. 

 Netuma, 138. 

 netuma (Bagriis), 140. 

 niearaguensis (Pimelo- 



dus), 125. 

 uieuhofii (Clarias), 20. 

 niger (Astroiiesthes), 425. 

 nigor (Chiasraodus), 435. 

 niger (Doras), 209. 

 niger (Malacosteus), 428. 

 niger (Osydoras), 209. 

 niger ( Pygoeentrus), 360. 

 niger (Eliiuodoras), 209. 

 niger (Serrasalmo), 369. 

 nigra (Astronesthes), 425. 

 nigrescens (Pinielodus), 



100. 

 nigricans (Amiuras), 100. 

 nigricans (Arius), 138. 

 nigricans (Chaitostomus), 



246. 

 nigricans (Hyjjostonius). 



246. 

 nigricans (Pacu), 295. 

 nigricans (Pimelodus), 



100. 

 nigricans (Prochilodus), 



295. 

 nigi'icans (Pygocentriis), 



368. 

 nigricans (Serrasalmo), 



368. 

 nigricans (Triciiomyete- 



rus), 274. 

 nigriceps (Bagrus), 77. 

 nigriceps (Macrones), 77. 

 nigrita (Bagi'us), 72. 

 nigritus (Synodontis), 



214. 

 nigrodigitatus (Chrysich- 



thys), 73, 430. 

 nigrodigitatus (Melano- 



dactylus), 73. 

 nigrodigitatus (Pimelo- 

 dus), 73. 

 nigro-punctatus (Bagrus), 



112. 

 nigro-t£eniatus(ChaIceus), 



309. 

 nigro-tseniatus (Lepori- 



nus), 309. 

 niloticus(Characinus),312. 



VOL, V. 



niloticus (Coregoiuisi, 



379. 

 niloticus (Distichodus), 



360. 

 niloticus (Eutropius\ 52. 

 niloticus (Hypophthal- 



mus), 52. 

 niloticus (Mochocus), 217. 

 niloticus (Salmo), 312, 



313, 360. 

 niloticus (Schilbe), 51. 

 niloticus (Sihu-us), 51. 

 niveatus (Cha3tostomus\ 



243. 

 niveatus (Hypostomus), 



243. 

 nodosus (Arius), 194. 

 nodosus (Auchenipterus), 



194. 

 nodosua (Siliirus), 194. 

 notatus (Anodus), 298. 

 notatus (Hemiodus), 298. 

 notatus (Pimelodus), 98, 



131. 

 notatus (Scopelus), 414. 

 Notoglanis, 136. 

 Notoscopelus, 405. 

 Noturus, 104. 

 novem-fasciatus (Lepori- 



nus), 308. 

 nuchalis (jElurichtliys), 



179. 

 nuchalis (Arius), 171. 

 nuchalis (Auchenipterus), 



193. 

 nuclialis(Euanemus), 193. 

 nuchalis (Hypophthal- 



mus), 193. 

 nudiceps (Chretostomus), 



249. 

 nudiceps (Hypostomus), 



249. 

 nudirostris (Loricaria), 



259. 

 nudiventris (Loricaria), 



256. 

 nurse (Alestes), 314. 

 nurse (Brachyalestes), 



314. 

 nurse (Myletes), 314. 

 Nyctophus, 404. 



obesus (Amiurus), 99. 

 obscurus (Auchenipterus), 



195. 

 obsciu*u8 (Copidoglanis). 



26. 

 obtusidens (Curimatus), 



306. 

 obtusidens (Leporinus), 



306. 



obtiisirostris ( Eutropiu3\ 



53. 

 occidentalis ( Noturus). 



105. 

 occidentalis (Pimelodus), 



137. 

 oceUatum (Xiphostoma), 



357. 

 ocellatus (Silurus), 167- 

 Octonematichthys, 70. 

 oculatus (Bagrus), 75. 

 odoe, 352. 

 Odontostomus, 417. 

 olfersii (Argyropelecus), 



386. 

 olfersii (Sternoptyx), 386. 

 oligacanthus (Myletes), 



378. 

 oligacanthus (Myleus), 



378. 

 oligolepis (Prochilodus), 



295. 

 oligolepis (Tetragonopte- 



rus), 327. 

 Oligosarcus, 353. 

 oligospilus (Chtetosto- 



mus), 244. 

 oli vaceus( Pimelodus), 1 02. 

 olivaris (Hopladelus), 



104. 

 Olyra, 97, 98. 

 omias (Synodontis), 213. 

 Ompok, 45. 

 onciua (Ai-ius), 194. 

 opalinus (Brycou), 334. 

 opalinus (Chalceus), 334. 

 ophiodon (Saurus), 402. 

 Opisthoptera; (Silurida;), 



271. 

 Opladelus, 103. 

 orbicularis (Tetragono- 



pterus), 320. 

 orbignianum (Platyato- 



ma), 107. 

 orbignvanus (Chalceus), 



333.* 

 orbignyanus (Myletes), 



375. 

 orbignyanus (Salminus). 



350. 

 orbignyanus (Tetragono- 



pterus). 317. 

 orbignyi (Rhinodoras), 



209. 

 ornatus (Pimelodus), 116. 

 orontis (Clarias), 15. 

 ortliotaenia (Brycon), 335. 

 oseryi (Xiphostoraa), 357. 

 Osteogeniosus, 181. 

 Oued denne. 55. 

 Oxvdoras, 206, 209. 



