470 



PATAGONIAN EXPEDITIONS I ZOOLOGY. 



i. Neetroplus nematopus Giinther, 



Pellegrin, 209. 

 Neetroplus nicaraguensis Gill and 



Bransford. 



Habitat: Lakes Managua and Nica- 

 ragua. 



ACAROPSIS Steindachner. 



Type: Acara nassa Heckel. 

 Range that of the single species. 

 Ai. Acaropsis nassa (Heckel), 



Pellegrin, 144. 



Habitat: Guiana; Orinoco and Ama- 

 zons. 



PETENIA Giinther. 



Type : Petenia splendida Giinther. 

 Range that of the single species, 

 i. Petenia splendida Giinther, 



Pellegrin, 207. 

 Habitat : Lake Peten. 



TOMOCICHLA Regan. 



Type : Tomocichla underwoodi Regan. 

 Range that of the single species. 

 I. Tomocichla underwoodi Regan, 



Regan, 1908^ 463. 

 Habitat : Costa Rica. 



HERICHTHYS Baird & Girard. 



Type : Herichthys cyanoguttatus Baird 

 & Girard. 



Range : Texas to Guatemala, 

 i. Herichthys cyanoguttatus Baird & Gi- 

 rard, J. & E., 1537. 



Neetroplus carpintis Jordan & Snyder; 

 Heros temporatus Fowler. 



Habitat : Texas to northeastern Mexico. 



1 ? A. filamentosus (Lacepede) and A. planifrons 

 (Kaup). 



a In 1839 Swainson (Nat. Hist. Fishes, Amph. and 

 Rept., II) defined the genera Astronotus (p. 229) and 

 Cichlasoma (p. 230). The types and only species of 

 the genera are Lobotes ocellatus Agassiz and Scicena 

 punctata Linnaeus. 



In 1840 Heckel defined his new genus Acara. It in- 



2. Herichthys bocourti Vaill. & Pell., 



Pellegrin, 1903, 246. 

 Habitat : Guatemala. 



3. Herichthys geddesi Regan, 



Regan, 1905, 436. 

 Habitat: Southern Mexico. 



ASTRONOTUS Swainson. 



Acara Heckel restricted by Gill to crassi- 



s pints ocellatus. 

 Type : Lobotes ocellatus Agassiz. 

 Range : Guiana to Peru and Paraguay. 

 Ai. Astronotus ocellatus (Agassiz), 



Pellegrin, 146. 



Acara crassispinis Heckel; Cychla 

 rubro-ocellata Schomburgk; Acara 

 compressus and ? hypostictus Cope. 

 Habitat: Guiana, Amazons and Para- 

 guay. 

 A2. Astronotus ocellatus zebra Pellegrin, 



Pellegrin, 147. 

 Habitat : Santarem. 

 A3. Astronotus hypostictus Cope, 



Pellegrin, 146. 

 Habitat: Maranon. 



NANNACARA Regan. 



Type : Nannacara anomala Regan. 

 Range that of the single species. 

 i. Nannacara anomala Regan, 



Regan, 1905, 344. 

 Habitat : Essequibo. 



^EQUIDENS Eigenmann & Bray. 1 ' 2 



Type: Acara tetramerus Heckel. 

 Range: Panama to the La Plata and 

 western Ecuador. 



eluded the type of Swainson's Astronotus under the 

 new name crassispinis and also that of Cichlasoma. 

 He did not indicate a type, and he grouped the species 

 as follows, describing the first thirteen in detail. 



Acara margarita 

 Acara tetramerus 



A. 



= Cichlasoma bimaculatum. 

 = ALquidens tetramerus 



