566 



MEMOIRS OF THE CARNEGIE MUSEUM 



minor, 57, 69, 80, 93, 114, 338, 339; parvella, 108; 



riddlei, 43, 69, 80, 338, 340; rosaceus, 43, 69, 80, 



89, 114, 338, 339; stictus, 69, 80, 114, 339, 342 

 hyphesson, Bryconamericus, 69, 80, 93, 97, 114, 349 

 Hypopominae, 97, 99 



Hypopornus, Key to the Guiana species of, 433 

 Hypopomus, 423; artedi, 70, 82, 89, 434; brevi- 



rostris, 70, 81, 97, 98, 100, 101, 105, 433; miilleri, 



433 

 Hypophthalmidae, 84, 86, 119, 208 

 Hypophthalmus dawalla, 18, 28, 205; edentatus, 66, 



77, 106, 208, 209; edentulus, 209; fimbriatus, 209; 



longifilis, 209; marginatus, 209; nuehalis, 202; 



perporosus, 209; spixii, 209 

 Hypostoma barbatum, 17; plecostomum, 17; punc- 



tatum, 17; squalinum, 17 

 Hypostomatina, 221 

 Hypostomus barbatus, 233; cirrhosus, 238; commer- 



sonii, 24, 226; duodecimalis, 227; emarginatus, 



226; guacari, 222, 223; guttatus, 233; horridus, 



227; itacua, 24, 232; multiradiatus, 15, 288; 



nudiceps, 25, 236; pantherinus, 226; plecostomus, 



28, 222, 225; robinii, 224; squalinum, 226; squali- 



tus, 28, 226; temmincki, 25, 237; verres, 225; 



watwata, 15 

 hypostomus, Gyrruiorhamphichthys, 70, 82, 93, 97, 



114, 436 

 hypsauchen, Metynnis, 27, 70, 81, 389; Myletes, 27 

 hypselonotus, Abramites, 299; Leporinus, 68 

 hypsiurus, Bunocephalichthys, 64 

 Hystricodon paradoxus, 397 

 hystrix, Acanthicus, 24, 66, 241; Potamotrygon, 21, 



28,75,89, 117 



Iguanodectes, 255; tenuis, 68, 79, 88, 89, 96, 314, 316 



Iguanodectinae, 96, 99, 255, 314 



iguape, Deuterodon, 363 



Ilisha, 444, 445; abnormis, 446; flavipinnis, 71, 82, 



446 

 immaculata, Unibranchapertura, 443 

 immaculatus, Auchenipterus, 199; Hemiodus, 67; 



Synbranchus, 443 

 Imparfinis, 130 

 inaequilabiatus, Carapus, 425 

 incilis, Mugil, 71, 82, 464 

 inermis, Ageneiosus, 66, 205 

 insidiosus, Stegophilus, 213 

 insigne, Cichlasoma, 499 

 insignis, Heros, 49S; Mesonauta, 498; Pimelodus, 



18, 28, 168; Prochilodus, 20, 67 

 iota, Hemigrammus, 43, 68, 79, 89, 114, 332, 336 

 irregularis, Theraps, 494 

 Ischnosoma bicirrhosum, 450 

 Isospondyli, 118 



Isospondyli, Key to the famihes of, 443 

 issororoensis, Curimatus, 67, 78, 91, 114, 263, 266 

 itacua, Hypostomus, 24, 232 



jaeuhiensis, Tetragonopterus, 360 



jaculidens, Ancylodon, 22, 469 



japonica, Atherina, 447 



Johanna, Crenicichla, 20, 73, 83, 98, 513, 520 



Johnius amazonicus, 473; auratus, 472; crouvin.i, 



473; regalis, 466 

 Joinvillia rosae, 363 

 Jones, Lyman, 3 

 Jordan's Law, 106 

 juruensis, Leptodoras, 191 

 jurupari, Geophagus, 23, 72, 83, 88, S9, 90, 503, 504; 



Satanoperca, 505 



Kaieteur Fall, 1, 49, 51, 52, 56, 60, 94, 95, 98, 100, 



101, 103, 106, 112 

 keppleri, Anisitsia, 67 

 kneri, Curimatus, 67; Myloplus, 70 

 konopickyi, Loricaria, 249 

 Kowi, 345 



labrina, Cychla, 20, 514 



labrosus, Chalceus, 18, 371 



Labrus bimaculatus, 495; punctatus, 495 



labyrintliicus, Ca>notropus, 67, 273 



lacepedii, Sternarchus, 440 



lacustris, Astyanax, 300; Auchenipterus, 199; 

 Tetragonopterus, 360 



lseviceps, Callichthys, 214 



tevigatum, Hoplosternum, 214 



loevigatus, Callichthys, 217 



lasvis, Aspredo, 24, 123, 124; Platystacus, 123 



lanceolata, Hamoprion, 473; Lonchiurus, 72; Lon- 

 churus, 479 



lanceolatus, Lonchiurus, 480; Lonchurus, 83, 479, 

 4S0; Rivulus, 43, 71, 82, 115, 453, 455 



laterale, Characidium, 54, 67, 78, 91, 96, 114, 288 



lateralis, Callophysus, 148; Pimelotropus, 148 



lateristriga, Pseudorhamdia, 167 



laticeps, Prochilodus, 67; Schizodontopsis, 68, 79, 

 93, 114,299 



latior, Semitapicis, 67 



latus, Chalceus, 18; Myletes, 27, 393; Tetragonop- 

 terus, 19, 393 



laukidi, Rhamdia, 2, 65, 76 



Lau-Lau, IS, 29 



Lebistes, 456 



lebranchus, Mugil, 464 



leiarchus, Cynoscion, 71; Otolithus, 22 



lenticulata, Crenicichla, 72 



lepidura, Mcenkhausia, 321, 326 



