Myletes—Conlinued 
parma 251 
rhomboidalis 251 
rubripinnis 252 
MYLEUS 247, 251, 252 
levis . 252 
pacu 247 
parma. . 251 
rubripinnis Nee, 252 
setiger . 47, 55, 247 
MYLINAE 246, 252, 307, 309 
MYLOPLUS ‘ . 251 
levis... 47, 56, 252 
parma. . .. 252 
rhomboidalis 56, 251 
rubripinnis 47, 56, 252 
MyYLossoma, Mylosoma 249, 252 
albiscopum 45, 47, 49, 56, 250 
aureum 47, 56, 249 
duriventre, duriventris 
45, 47, 49, 56, 249, 250 
N 
NANDIDAE.. 382 
Nannacara dorsigera 393 
NANNOGLANIS 92 
TOS G ENN ya genres Com Goeere 50, 92 
NANNORHAMDIA. . ice 7 
longicauda je. ee nem arn 50, 59, 97 
spurrelli Bodo hen 97 
NANNOSTOMATINAE. . 287 
Nannostomus eques........ 288 
Nanognathus ee 288 
nasa, Curimata. . . .60, 292 
nassa, Acara. 388 
Acara (Acaropsis). 388 
Acaronia : ; 58, 388 
Acaropsis. . 388 
nasus, Curimatus . . 292 
nasutus, Creagrutus 226 
nattereri, Achiropsis 
46, 48, 50, 58, 408 
Hemidoras.. . 132 
Oxydoras 131 
Ey POCEMULUS Enea rane ae cae 242 
Pyrrhulina Rt teen 3204 
Rooseveltiella... . 45, 47, 55, 242 
Serrasalmo, Serrasalmus...... 242 
Soleas one metas: $3 .. 408 
Solea (Achiropsis) . . 408 
Sternarchogiton 
46, 57, 323, 324, 325, 326 
SLennarchusesesee seen ee 324 
Trachydoras.... .44, 47, 54, 131, 132 
nauticus, Anadoras | . ..44, 128 
OT aS My Lacoy ayer ee or hide 128 
Doras (Anadoras)............. 128 
(Astrodoras)) 2 snl, 128 
Lat nOraxn tel neces ae 128 
NEMATOGNATHI........ 83 
INDEX 
nematurus, Chaleinus 261 
nemopterus, Batrachops 48, 403 
nemurus, Pseudostegophilus 
44, 47, 54, 159 
Stegophilus 159 
Neoceratodus 283 
neveui, Orestias 351, 364 
niger, Doras 130 
Oxydoras 130 
Pseudodoras . .44, 47, 51, 54, 59, 130 
Rhinodoras ; 130 
nigricans, Chaetostomus 189 
Hypostomus 189 
Parancistrus 189 
Prochilodus 
46, 48, 50, 51, 52, 57, 60, 309, 310 
nigricollis, Tympanopleura 44, 139 
nigripinnis, Colosoma (Waiteina) 248 
Colossoma 247 
Myletes ; 247 
Piarctus 45, 47, 56, 247, 248 
nigrolineatus, Chaetostomus 186 
nigrorostrum, Sturisoma 47, 213 
nodosus, Arius 122 
Auchenipterus 122 
Felichthys - 122 
Pseudauchenipterus 47, 53, 122 
Silurus : 122 
notatus, Anodus 285 
novemfasciatus, Leporinus 305 
nuchalis, Auchenipterus 
44, 47, 49, 53, 121 
Evanemus a 121 
Hypophthalmus . Seeger llall 
nudirostris, Loricaria......44, 55, 206 
nulilla. 304 
O 
obermiilleri, Pyrrhulina 265 
oblongus, Cichlasoma. . 397 
obtusirostris, Ceratobranchia 
51, 60, 222, 223 
occidentalis, Ancistrus. - ..50, 198 
XNenocara : Spreta oe ele) 
oceloi, Ancistrus...... .52, 59, 197 
ocellaris, Cichla 
46, 48, 50, 58, 407, 402 
ocellata, Acara. .. . 391 
Acara (Hygrogonus) 391 
Astronotus. 391 
ocellatus, Astronotus 
46, 48, 50, 58, 
3890 
Hygrogonus 391 
Lobotes. . 390 
oculus, Colossoma 45, 248 
Myletes. ; 248 
ODONTOSTILBE. . 215, 265 
fugitiva ooee 45, 265 
OEDEMOGNATHUS. ..... 318, 325 
exodon oe 46, 325 
oesopus, Serrasalmo... 240 
NELLASALINUS Se eee ee 240 
487 
oligolepis, Astyanax 231 
Moenkhausia 45, 55, 231, 232 
Tetragonopterus 231 
olivaceus, Orestias 
52, 61, 352, 354, 355, 356, 363 
omanto 359 
Ophiocephalops 280 
ophthalmicus, Pimelodus 100 
OPSODORAS 134, 135 
hemipeltis 47, 184 
humeralis 44, 47, 54, 134, 135 
orthacanthus 44, 47, 134, 135 
parallelus 44, 134 
stiibelii 49, 135 
orbicularis, Ephippicharax 45, 55, 239 
Fowlerina 239 
Tetragonopterus 239 
ORESTIAS 1135.05, 19. 216 
28, 64, 65, 71, 72, 78, 142, 150, 154, 
346 
agassizil . .16, 51, 61, 65, 66, 77, 349, 
350, 353, 354, 356, 362, 371, 379 
erequil 373 
inornata 368, 373 
seneschali 373 
typica 373 
affinis 303 
albus 
52, 61, 349, 
301, 352, 354, 355, 356, 363, 371 
bairdii. . 360 
cuvieri, cuvierii 52, 61, 346, 348, 
350, 352, 354, 355, 356, 357, 358, 361 
elegans 60, 353, 354, ; 
empyraeus .51, 61, 353, 354, 356, 367 
frontosus 371, 373 
humboldti, humboldtii 
52, 61, 353, 354, 355, 356, 357 
incae . .52, 61, 353, 354, 355, 356, 357 
jussiel, jJussieui 
52, 61, 65, 349, 352, 354, 356 
luteus 52, 61, 
348, 351, 352, 354, 355, 356, 361 
any 
vi 
milleri 52, 61, 
351, 352, 354, 356, 361, 362, 374 
neveul 351, 364 
olivaceus 
52, 61, 352, 354, 355, 356, 363 
ortonil 371 
owenll 
52, 61, 65, 352, 354, 356, 371, 376 
pentlandi, pentlandii 
52, 61, 71, 349, 350, 351, 352, 354, 
356, 357, 359, 360 
fuscus 65, 361 
rospighosii 52, 61, 381 
silustani . ..52, 61, 352, 354, 356, 366 
tirapatae 371, 374 
tsehudii 
52, 61, 349, 351, 352, 354, 356, 379 
Orestiasini, Orestiasiformes 346 
