A Revision of the American Cichlidse. 619 



Astroiiotus (Cichlasoma) seTeriis (Heckel). 



Ileros severus Heckel, Ann. Wien. Mus., 1840, p. 362 (Rio Negro, near Mara- 



bitanos). 

 Astronotus {Cichlasoma) severus E. & E., Proc. U. S. Nat. Mus., 1891, p. 68 



(name). 

 Heros cori/phceus Heckel, Ann. Wien. Mus., 1840, p. 364 (Rio Guapore). 

 Heros modestus Heckel, 1. c, p. 366 (Rio Guapore). 

 Heros spurius Heckel, 1. c, p. 368 (Rio Guapore). Giinther, Cat. Fish. Brit. 



Mus., IV, 1862, p. 293 (Guiana and Brazil). 

 Acara {Heros) spuria Steind., Siisswasserf. des Siidostl. Bras., 1874, p. 9, taf. iv, 



var. ; and Beitr. Kennt. Clirom. Amazonenstr., 1875, p. 23 (Tabatinga ; 



Tonantins ; Coary ; Teflfe ; Obidos ; Cndajas ; Santarem ; Gurupa ; 



Xingu, near Porto do Moz ; Rio Tapajos ; Madeira ; Guapore ; Rio 



Negro; Rio I^a or Putumayo ; Rio Hyutay ; Ambyiacu ; Lakes Alexo, 



Hyanuary, Jose Assu, Saraca, near Silva, and Maximo). 

 Chroinys appendiculata Casteln., "Anim. Nouv. ou Rares Amer. Sud. Poiss., 



1855, p. 15, pi. vii, fig. 3." 

 Chromys fasciata Casteln., 1. c, p. 17, pi. ix, fig. 2, juv. 

 Varus centrarchoides Cope, Proc. Acad. Nat. Sci. Phila., Jan. 1872, p. 253, pi. 



xi, fig. 2, juv. 



The specimens examined are from Brazil. 



10. THERAPS Giinther. 

 Theraps Giinther, Cat. Fish. Brit. Mus., IV, 284, 1862 (irregularis). 



Theraps irregularis Giinther. 

 Theraps irregularis Giinther, 1. c. (Guatemala). , 



11. IttESOlVAlJTA Giinther. 

 Mesonauta Gunther, Cat. Fish. Brit. Mus., IV, 300, 1862 (insignis). 



Mesonaufa festivus (Heckel). 



Heros festivus Heckel, Fluss-Fische Brasiliens, 376, 1840 (Guapore). 

 Astronotus {Mesonauta) festivus E. & E., Proc. U. S. Nat. Mus., 1891, 69 (name). 

 Heros insignis Heckel, 1. c, 379 (Marabitanos, on the Rio Negro). 

 Mesonauta insignis Giinther, Cat. Fish. Brit. Mus., IV, 300, 1862 (Tropical 



America). 

 Chromys acora Castelnau, ** Anim. Nouv. ou Rares Amer. Sud. Poiss., 17, pi. 9, 



fig. 1." 



12. CREWICARA Steindachner. 



Crenicara Steindachner, Beitr. Chrom. Amazonenstromes, 39, 1875 (elegans). 

 Type : Crenicara elegans Steind. 



But a single species of this genus is as yet known. 



