INDEX 



557 



arius, Pimelodus, 145 



armatulus, Doras, 24, 186 



armatus, Ageneiosus, 60, 204; Doras, 05; Hydrocyon, 

 20, 396, 410 



arowana, Osteoglossum, 18, 450 



Arri, 383 



artedi, Brachyrhamphichthys, 434; Hypopomus, 70, 

 82, 89, 433; Rhamphichthys, 434; Tetragonop- 

 terus, 320 



ascita, Mystus, 173; Pseudorhanulia, 173 



asellus, Chelichthys, 28, 529 



Aseraggodes guttulata, 526 



Asicurrupa, 207 



Asiphonichthys, 110, 257; hemigrammus, 70, 81, 

 109, 114, 403; stenopterus, 402 



asper, Callichthys, 188, 215 



Aspredinichthys, 120, 121; tibicen, 24, 64, 75, 122 



Aspredinidse, Key to the Guiana genera of, 120 



Asprediuidae, 84, 85, 86, 89, 95, 99, 106, 119 



Aspredinina, 120 



Aspredininse, 74, 120 



Aspredinoidei, 120 



Aspredo, 120, 122; aspredo, 24, 64, 75, 122-124; 

 batrachus, 122-124; cotylephorus, 125; filament- 

 osus, 121; laevis, 24, 123, 124; platystacus, 123; 

 sex-cirrhus, 123; sieuephorus, 75, 124; spectrum, 

 125; tibicen, 24, 121-123 



aspredo, Silurus, 123 



Astatheros heterodontus, 494 



asterias, Myletes, 27, 390, 392; Myleus, 392; 

 Myloplus, 27, 38, 70, 81, 390-392 



asterifrons, Astrodoras, 184 



Astrodoras asterifrons, 184 



Astronotus GEquidens) tctramerus, 492; (Cichla- 

 soma) severum, 497; ocellatus, 72; tetramerus, 492 



Astyanax, Key to the Guiana species of, 350 



Astyanax, 256, 330, 348, 363; abramoides, 111, 357, 

 362; argent at us, 350; atahualpianus, 322; bart- 

 lettii, 360; bimaculatus, 101, 359; essequibensis, 

 69, 80, 97, 350, 352; guianensis, 69, 80, 97, 350, 

 352; lacustris, 360; megalops, 325; microstoma, 

 360; mucronatus, 69, 80, 93, 97, 114, 350, 354; 

 multidens, 351; mutator, 69, 80, 93, 97, 100, 101, 

 114, 350, 353; paucideiis, 352; potaroensis, 361; 

 wappi, 69, SO, 350, 355 



atahualpianus, Astyanax, 322 



Atherina japonica, 447 



atherinoides, Pterengraulis, 71 



Atkinson, W. S., 4 



atlanticus, Megalops, 27; Tarpon, 27, 71, 82, 444 



Atractorcion aequidens, 466 



atricauda, Ancylodon, 469 



aubynei, Pristella, 35, 68, 79, 92, 114, 330 



Auchenipterinae, 54, 96, 99, 132, 197 



Auchenipterus, Key to the species of, 202 



Auchenipterus, 132; brevior, 66, 77, 92, 96, 113, 202 

 demerarae, 65, 77, 113, 202, 203; furcatus, 24, 201 

 galeatus, 19S; glaber, 198; immaeulatus, 199 

 lacustris, 199; maculosus, 24, 199; nodosus, 201 

 nuchalis, 65, 202; obscurus, 29, 200; robustus, 199 



aulopygius, Centromochlus, 65, 76, 96, 197 



aurata, Seiama, 472 



auratus, Johnius, 472; Nannostomus, 283; Plagi- 

 oscion, 72, 83, 472; Poecilobrycon, 284, 285 



aureoviridis, Sphyraena, 482 



aureum, Mylosoma, 70 



aureus, Salmo, 380; Serrasalmo, 27 



auritus, Macrodon, 416 



Avicenna nitida, 6 



axillaris, Ageneiosus, 66 



bacalaus, Gobius, 22, 523 



badiipinnis, Geophagus, 484 



bagre, .Murichthys, 133; Ailurichthys, 133; Brevi- 



ceps, 133; Felichthys, 23, 64, 75, 133; Pimelodus, 



133; Silurus, 133 

 Bagrus caelestinus, 23, 140, 141; elarias, 23, 172; 



emphysetus, 23, 135; herzbergii, 139; macro- 



nemus, 134; mesops, 23, 139, 141; passany, 23; 



pemecus, 139; proops, 23, 136 

 bahianis, Pimelodus, 163 

 Baiostoma brachiale, 526 

 Bairdiclla ronchus, 72 

 Bancroft, Edward, 15 

 Banjamans, The, 120 

 barbancho, Pimelodus, 149 

 barbatus, Ancistrus, 233; Hypostomus, 17, 233; 



Lonchurus, 479, 480; Pleeostomus, 233; Pseudan- 



cistrus, 17,66,77, 113,233 

 Barostoma, 526 

 Barroketa, 15 



bartlettii, Astyanax, 360; Tetragonopterus, 360 

 Bates, Henry Walter, vii 

 Batoidei, 116 



Batrachoglanis raninus, 151, 154, 155 

 Batrachops, 483; psittacus, 52S; i)unctulatus, 72, 83, 



93, 512; reticulatus, 512; semifaseiatus, 72 

 Batrachus surinamensis, 22 

 batrachus, Aspredo, 123, 124 

 beckfordi, Nannostomus, 2, 67, 78, 281 

 Belone almeida, 461; guianensis, 20, 461; scolo- 



pacina, 461; ta?niata, 461, 462; timucu, 461; 



truncata guianensis, 461 

 Belonichthys zambizensis, 463 

 Belonida?, 84, 86, 89, 97, 99, 461 

 belotti, Hyphessobrycon, 69 

 bengalensis, Ophisternon, 442 

 bicirrhosum, Isclinosoma, 450; Osteoglossum, 18, 27. 



71, 82, 93, 450 



