INDEX 



abnorniis, Ilisha, 446 



Abraham, E. A. V., 3 



abramis, Pcecilurichthys, 69, 358 



Abramites hypselonotus, 299 



abramoides, Astyanax, 111, 357, 362; Pcecilurich- 



thys, 54, 69, 80, 89, 91, 97, 114, 355, 357, 361, 362 

 Acanthieus hystrix, 17, 24, 66, 241 

 Acanthocharax, 110, 113, 258; microlepis, 70, 81, 97, 



114, 404, 405 

 acanthoeheira, Pseudopimelodus, 151, 152 

 Acanthodoras cataphractus, 184, 188 

 Acanthophacelus, 452: bifurcus, 38, 71, 82, 115; 



melanzonus, 32, 71, S2, 92, 115, 457; reticulatus, 



71, 82, 92, 457, 458 

 Acara, see Acaropsis. 

 Acaropsis, 483, 485; bimaeulata, 495; chromys, 499; 



cognatus, 485; dimerus, 492; geayi, 493; gronovii, 



495; heckelii, 23, 500; festiva, 498; spuria, 497; 



margarita, 22, 495; marginata, 495; maronii, 489; 



nassa, 22, 485; pallidus, 492; punctulata, 29, 488, 



511; punctata, 495; subocularis, 500, 502; tetra- 



merus, 23, 487, 491; unicolor, 486; viridis, 492; 



vittata, 489 

 Acarichthys, 113, 483; heckeli, 83, 89, 500; heckelii, 



23,72 

 Acentronichthys, 131, 160; leptos, 131; surinam- 



ensis, 64 

 Acestra acus, 252 



Acestrorhamphinee, 258, see Err. el Corr. 

 Acestrorhynchinse, 97, 99, 406 

 Acestrorhynchus, Key to the Guiana species of, 407 

 Acestrorhynchus falcatus, 26, 29, 70, 81, 89, 91, 97, 



406, 407; falcirostris, 20, 70, 81, 407, 410; micro- 

 lepis, 20, 26, 70, 81, 88, 97, 407-409; nasutus, 43, 



70, 81, 114, 407, 411 

 Acharnes speciosus, 22, 510, 511 

 Aehiridse, 99 

 Achiropsis, 526 

 Achirus, 525; fasciatus, 526; lineatus, 73, 84, 98; 



maculipinnis, 527 

 acipenserina, Loricaria, 250 

 acipenserinus, Hemiodon, 250; Hemiodontichthys, 



43, 67, 78, 88, 250; Leptodoras, 191 ; Oxydoras, 191 

 Acnodon, 257; oligocanthus, 70, 81, 388 

 acoupa, Apseudobranchus, 466; Cestreus, 467; 



Cheilodipterus, 466; Cynoscion, 71, 83, 466 

 acus, Acestra, 252; Farlowella, 252 



acuta, Loricaria, 24, 245 



acutidens, Curimatus, 303 



Adontosternarchus, 424 



adspersa, Parapet enia, 494 



adspersus, Pachypops, 477 



JSlurichthys bagre, 133; eydouxii, 134; gronovii, 



133; marinus, 134 

 yEquidens, Key to the Guiana species of, 487 

 jEquidens, 107, 483, 500; geayi, 72, 83, S9, 91, 98, 



105, 487, 493, 500; guianensis, 72; maronii, 72, 83, 



92, 487, 489; potaroensis, 54, 72, 83, 91, 93, 98, 

 100, 101, 105, 106, 115, 487, 490; tetramerus, 21, 

 23, 72, 83, 89, 487, 491, 492; vittatus, 106, 487, 

 489, 490 



a>quidens, Atractorcion, 466 



affine, Platystoma, 180 



affinis, Amblydoras, 184; Centropomus, 4S2; Crea- 

 tochanes, 69, 80, 90, 91, 97, 100, 101, 105, 107, 

 344, 345; Cynocharax, 398; Doras, 05; Leporinus, 

 68; Roeboides, 70; Tetragonopterus, 345 



africanus, Platygaster, 445 



Agamyxis pectinifrons, 184 



Agassiz, Louis, vii 



agassizii, Pimelodus, 168; Tetragonopterus, 322; 

 Vastres, 451 



Ageneiosina?, 99, 132, 205 



Ageneiosus, Key to the Guiana species of, 204 



Ageneiosus, 132; armatus, 66, 204; axillaris, 66; 

 brevifilis, 18, 28, 35, 66, 77, 91, 92, 204, 205; 

 dentatus, 66, 205; dawalla, 205; guianensis, 37, 

 66, 77, 113, 204; inermis, 66, 205; marmoratus, 66, 

 77, 96, 114, 204, 206; porphyreus, 66; sebsc, 205; 

 ucayalensis, 205 



Agmus, 113, 120; lyriformis, 64, 75, SS, 113, 128; 

 scabriceps, 128 



Agoniates, 255; halecinus, 26, 68, 79, 317 



Agonostomus monticola, 463 



Agoniatinae, 255, 317 



aiereba, Trygon, 118 



Ailurichthys bagre, 133: marinus, 134 



Aimara, 413 



albescens, Glamdium, 197 



albicans, Pseudariodes, 173; Sciadeichthys, 64 



albidus, Callichthys, 2, 7; Pimelodus, 145 



albifrons, Gymnotus, 438, 439; Sternarchus, 70, 82, 



93, 97, 438-440 

 albomaculatus, Doras, 65 



555 



