INDEX 



561 



Crenicara, 483; elegans, 511; punctulata, 29, 43, 72, 



S3, 89, 511 

 Creniciclila liigiibris, 20, see Eir. et Corr. 

 Crenicichla, Key to the Guiana species of, 513 

 Creniciclila, 107, 483; alta, 72, 83, 89-91, 100, 101, 



105, 106, 109, 513, 516; brasiliensis Johanna, 520; 



braz. lugubris, 518; braz. vittata, 519; frenata, 



514; funebris, 518; Johanna, 20, 73, S3, 98, 513, 



520; joh. funebris, 518; joh. Johanna, 520; joh. 



lugubris, 519; joh. strigata, 519; joh. vittata, 519; 



lenticulata, 72; lugubris, 23, 73, 83, 90, 91, 98, 513, 



518; multispinosa, 72; reticulata, 512; saxatilis, 



20, 23, 72, S3, 88, 89, 106, 513; sax. albopunctata, 



514; vaillanti, 514; vittata, 23, 72, 519; wallacei, 



S3, 89, 90, 98, 512, 517 

 crenidens, Hemiodus, 275 

 CrenuchinK, 96, 99, 255, 309 

 Crenuchus, 107, 255; spilurus, 29, 68, 79 

 eristata, PimelodeUa, 18, 24, 28, 65, 76, 89, 96, 107, 



168, 170 

 cristatus, Pimelodus, 24, 16S 

 crocodili, Centrocliir, 1S4 

 crouvina, Johnius, 473; Sci;rna, 473 

 Crucifix-fish, 137 

 Crypt ops, 429; virescens, 430 

 Ctenobrycon, 256, 362; hauxwellianus, 69; spihnusi 



32, 09, SO, 88, 92, 363 

 ctenodus, Callophysus, 148; Pseudocallophysus, 148 

 Culius amblyopsis, 524; fuscus, 524 

 culter, Coscinoxyron, 376 

 cuneatus, Microphis, 462 

 cupido, Biotodoma, 72, 83, 89, 98; Geophagus, 501; 



Mesops, 501 

 cuprea, Pimelodus (Rhamdia) queleni, 163 

 curema, Mugil, 22, 71, 83, 464 

 Curimata, 263; (Cyphocharax) spiku'a, 264 

 Curimatella, 253; alburna, 25, 67, 78, 262; alburnus, 



93, see Err. el Corr. 

 Curimatina;, 96, 98, 99, 253, 260 

 Curimatopsis, 253; macrolepis, 67, 78, SS, 89, 260,261 

 Curimatus, Key to the Guiana species of, 263 

 Curimatus, 253; acutidens, 303; ciliatus, 25, 67, 78, 



89, 90, 263, 268, 269; cyprionoides, 67, 266, 268; 



essequibensis, 268; fasciatus, 297; frederici, 303; 



issororoensis, 67, 78, 91, 114, 263, 266; kncri, 67; 



lepidurus, 262; macrolepis, 260; microcephahis, 67, 



78, 89, 91, 96, 107, 263, 265, 266; morawhanna^, 



67, 78, 91, 114, 263, 266; rutiloides, 268; schom- 



burgki, 67, 78, 88, 91, 263, 266, 267; spihirus, 67, 



78, 88, 89, 96, 107, 263, 266 

 Curucu, 263 

 cuvieri, Hydrocynnus, 70, see Err. et Coir.; Hydro- 



cynus, 19, 26, 81, 411; Vastres, 451; Xiphostoma, 



26, 411 



cuyabse, Pimelodus, 163 



cyanopterus, Centrarchus, 21, 496 



Cychla argus, 20; fasciata, 20, 520; flavo-maculata, 

 510; flavomaeulata, 20; labrina, 20, 514; nigro- 

 maculata, 20, 510; rubro-ocellatus, 20; rutilans, 

 20, 518; trifasciata, 20 



cychla, Centrarchus, 20 



cyhndraceus, Rivulus, 452 



cylindricus, Cyprinus, 420; Hemigrammus, 68, 80, 



89, 97, 114, 332, 337 

 Cynocharax afBnis, 398 



Cynodon, 257; gibbus, 70, 81, 395, 397; scombcr- 



oides, 390; vulpinus, 395 

 Cynodontinffi, 257, 395 

 Cjnaopotamus, 257; argenteus, 403; essequibensis, 



70, 81, 97, 114, 403; gibbosus, 400; humeralis, 70 

 Cynoscion, Key to the Guiana species of, 466 

 Cynoscion, 465; acoupa, 71, 83, 466; leiarchus, 71; 



microlepidotus, 71; regalis, 466; steindachneri, 71, 



83, 466, 468; virescens, 71, 83, 466, 467 

 Cyphocharax spilurus, 263 

 cjrprinoides, Anodus, 263; Curimatus, 266, 268; 



Peltapleura, 263; Salmo, 263 

 Cyprinus cephalus, 420; cylindricus, 420; sal- 



moneus, 420 

 Cyitocharax, 403 



Darwin, Charles R., vii 



Dasyatidffi, 84, 86, 89, 116 



dawalla, Ageneiosus, 205; Hypophthalmus, 18, 28, 



205 

 Deem, Elmer, 4 



demerarffi, Auchenipterus, 65, 77, 113, 202, 203 

 dentata, Trutta, 316 

 dentatus, Ageneiosus, 66, 205; Doras, 65; Piabucus, 



25, 68, 79, 91, 316 

 denticulatus, Pygopristis, 19, 26, 27, 70, 81, 385; 



Serrasalmo, 385 

 depressus, Cataphractus, 215; Pseudancistrus, 66 

 Dermatocheir, 113, 255; catablepta, 69, 80, 93, 97, 



108, 114, 343 

 Deuterodon, Key to the Guiana species of, 363 

 Deuterodon, 256; iguape, 363; pinnatus, 54, 69, 80, 



90, 91, 93, 97, 114, 363, 365; potaroensis, 54, 69, 

 80,91,93,97, 114,363 



diolu'oura, Mttnkhausia, 321, 326 



dichrourus, Mccnkhausia, 57, 68, 79, 90, 93 (see 



Err. et Corr.), 326 

 Dimorphaudra mora, 6 

 Dinichtliys, 110 



Diplolepis squamosissimus, 471, 473 

 cliscoideus, Myloplus, 70 

 divaricatus, Myletes, 394 

 dolichopterus, Ancistrus, 66, 237 



