INDEX 



559 



Bunocephalus, 120, 125; amaurus, 57, 64, 75, 89, 113, 

 126, 127; chamaizelus, 64, 75, 88, 95, 113, 126, 127; 

 gronovii, 64, 75, 125, 126; verrucosus, 126 



csecutiens, Cetopsis, 66 

 cadatus, Callichthys, 24, 215 

 cadestinus, Bagrus, 23, 140, 141 

 Csenotropus, 271 ; labyrinthicus, 67, 273 

 caeruleum, Etheostoma, 290 

 caruleus, Pseudauchenipterus, 91 

 Caladium arborescens, 37 

 calceus, Tetragonopterus, 96 

 callarias, Silurus, 172 



Callichthyidae, 84, 86, 88, 89, 91, 96, 99, 119, 214 

 Calliehthyoidei, 214 



Callichthys, 214; albidus, 214; asper, 188, 215; 

 calatus, 24, 215; callichthys, 24, 66, 77, 96, 98, 100, 

 104, 215; chiquitos, 218; exaratus, 24, 218; hemi- 

 phractus, 216; laviceps, 216; kevigatus, 217; 

 littoralis, 15, 217; longifilis, 17, 218; loricatus, 216J 

 personatus, 218; pictus, 24, 218; subulatus, 217J 

 sulcatus, 218; tamoata, 215; thoracatus, 218 

 callichthys, Cataphractus, 215; Silurus, 215 

 Callophysinse, 130, 148 

 Callophysus, 130; ctenodus, 148; lateralis, 148; 



macropterus, 24, 64, 75, 148 

 camopiensis, Geophagus, 72 

 candiru, Cetopsis, 210 

 carangus, Caranx, 22 

 Caranx carangus, 22 

 Carapo, 425 

 carapo, Gymnotus, 21, 70, 81, 88, 89, 97, 100, 101, 



105, 425 

 Carapus albus, 425; arenatus, 427; brachyurus, 425; 

 fasciatus, 425; inajquilabiatus, 425; rostratus, 435; 

 sanguinolentus, 427 

 carapus, Gymnotus, 427; Sternopygus, 427 

 Carcharias (Prionodon) henlei, 28; (Prionodon) 



oxyThynchus, 28 

 carinatus, Doras, 24, 184, 192, 194; Hemidoras, 24, 

 42, 65, 76, 96, 193-195; Oxydoras, 194; Silurus, 194 

 Carnegiella, 48, 113, 253, 256; strigata, 35, 69, 81, 89, 



97, 378 

 carolinensis, Cestreus, 466; Mystus, 133, 134 

 cartabac, Myletes, 19 

 castaneo-ventris, Doras, 17, 65, 188 

 Castelnau, Count Francis, vii 

 catablepta, Dermatocheir, 69, 93, 97, 108, 114, 343 

 cataphracta, Doras, 107; Loricaria, 24, 66, 77, 243 

 Cataphractus americanus, 188; callichthys, 215; 



eostatus, 185; depressus, 215; punctatus, 220 

 cataphractus, Acanthodoras, 184, 18S; Doras, 17 65 



76, 88, 96, 185, 186, 188; Silurus, 188 

 catenatum, Characidium, 68, 78, 90, 114, 288, 293 

 catesbei, Pomotis, 22 



Catfishes, Gaff-topsail, 133 



Catoprion, 256, 386; mento, 27, 57, 70, 387 



caudomaculatus, Creatochanes, 26, 69, 80, 89, 97, 



112, 344, 346; Tetragonopterus, 346, 360 

 Cauhui, 20 



cayanus, Pristigaster, 71 

 cayennensis, Lutjanus, 466; Otolithus, 466 

 centrarchoides, Uaru, 497 

 Centrarchus cyanopterus, 21, 496; cychla, 20; niger, 



20; notatus, 20; rostratus, 497, 21; vittatus, 21 

 centrarchus, Archocentrus, 494 

 Centrochir crocodili, 184 



Centromochlus, 132; aulopygius, 65, 76, 96, 197; 

 heckeli, 65, 197; megalops, 197; oncinus, 65^ 

 perugise, 65 

 Centropoinidse, 74, 84, 86, 465, 481 

 Centropomus, Key to the Guiana species of, 481 

 Centropomus affinis, 482; appendiculatus, 482; 

 armatus, 482; brevis, 482; ensiferus, 72, 83, 481,' 

 482; robalito, 482; undecimalis, 22, 72, 83, 481 ' 

 482; undecim-radiatus, 482 

 cephalus, Cyprinus, 420; Megalobrycon, 370; Mugil 



71, 463 

 ceratophysus, Trachycoristes, 65 

 Cestreus acoupa, 467; carolinensis, 466; nebulosus, 



466; steindachneri, 468; virescens, 467 

 CetopsiniE, 96, 99, 210 

 Cetopsis cacutiens, 66; candiru, 210 

 Chsetobranchus, 483; brunneus, 483, 484; flavescens 



23, 72, 83, 483; robustus, 484 

 Chaetostomus alga, 240; cirrhosus, 239; gymno- 

 rhynchus, 236; hoplogenys, 239; leucostictus, 240; 

 macrops, 231; malacops, 240; megacephalus, 231; 

 nudiceps, 236; schomburgki, 231; tectirostris, 240; 

 variolus, 239 

 Chalceus, 256; angulatus, 26, 376, 377; ararapeera, 

 373; fasciatus, 18; labrosus, 18, 371; latus, 18; 

 macrolepidotus, 18, 26, 39, 69, 80, 89, 97, 112, 372; 

 nigrotamiatus, 18, 301; rotundatus, 18, 26, 377; 

 tseniatus, 18 

 chalceus, Tetragonopterus, 68, 79, 319, 320 

 Chalcininse, 97, 99, 256, 376 

 Chalcinopsis striatulus, 370 



Chalcinus, 256; angulatus, 69; brachypomus, 376, 

 377; elongatus, 69, 81, 92, 107, 377; guentheri, 377; 

 rotundatus, 18, 69, 81, 107, 377 

 Chamaigenes, 113, 120; filamentosus, 64, 75, 121 

 chamaizelus, Bunocephalus, 64, 75, 88, 95, 113, 126, 



127 

 Characidce, Key to the Guiana genera of, 253 

 Characidoe, 84, 85, 86, 88, 89, 91, 93, 96, 99, 253 

 Characidium, Key to the Guiana species of, 288 

 Characidium, 42, 254; blennoides, 67, 78, 91, 93, 96, 

 114, 288, 290; catenatum, 68, 78, 90, 107, 114, 288, 



