A Be vision of the American Cichlidae. 615 



der fall apart as an incoherent mass. The species with long pro- 

 tractile snouts are sharply divided into those with but 3 anal spines 

 and those with 5 or 6. 



Scales 6—30—12. 



Depth of body 2 in the length. A dark brown spot near middle of body. A 



second much smaller spot on base of upper caudal rays....spectaltlilis 



Depth 2^2i in the length. A large spot at the beginning of lat. line. A 



second small spot near middle of body, and a much smaller one at base 



of upper caudal rays kraussii 



Scales 6-7-41 — 17. A series of six or seven large round black spots along the 

 middle of the side, the last spot being edged with white and located on the 

 upper half of the root of the caudal splendida 



Petenia spectatoilis Steindachner. 



Acai-a (Petenia) spectabilis Std., Beitr. Kenntn. Chromid. Amazonenstr. 36, pi. 



iv, 1875 (Amazon, near Gurupa and Obidos). 

 Astronotus {Petenia) spectabilis E. & E., Proc. U. S. Nat. Mus., 1891, 69. 



Petenia kraussi Steindachner. 



Petenia kraussi Steind., Fischfauna Magdalenenstr., 12, pi. ii, 1878 (Magdalena 

 River). Id., Fischfauna Cauca and Fliisse bei Guayaquil 4, 1879 

 (Cauca). 



Astronotus (Petenia) kraussi E. & E., Proc. U. S. Nat. Mus., 1891, 69 (name). 



Petenia splendita Giinther. 



Petenia splendita Giinther, Cat. Fish. Brit. Mus., IV, 301, 1862 (Lake Peten). 

 E. & E., Proc. U. S. Nat. Mus., 1893, 59 (name). 



9. ASTRONOTUS Swainson. 

 § ASTRONOTUS. 



= Astronotus Swainson, Nat. Hist. Fish. Araph. Rept., II, 1839, p. 229 (ocellata). 



> § Astronotus Eigenmanu & Eigenmann, Proc. U. S. Nat. Mus., XIV, 1891, 



p. 68 (redefined). 



> Acara Heck., Ann. Wien. Mus., 1840 (sp.). 



= Acara Gill, Synopsis Fresh Water Fishes of Trinidad, 1858, p. 20 (restricted 



to crassispinis = ocellatus) . 

 < Acara Steind., Beitr. Kennt. Chrom. Amazon'str., 1875, p. 3 (sp.). 

 = Eygrogonus Giinther, Cat. Fish. Brit. Mus., 1862, XV, p. 303 (^ocellatus). 



§ CICHLASOMA. 



Cichlasoma Swainson, Nat. Hist. Fish. Amph. Rept., II, 1839, p. 230. 

 Cychlasoma Gill, Synopsis Fresh Water Fish of Trinidad, 1858, p. 20 (redefined), 



( punctatus = bimaculata) . 

 Acara Heck., Ann. Wien. Mus., 1840, p. 338 (sp.). 



