Haseman : Expedition to Central South Amkrica. .'^31 



Cichla nriiits \';iliMuu-mu-s is a syiionyiii of C. ocellaris Bloch and 

 Schiu'idcr. Cichla uciderlciiii and C. cliacoensis I lolinhcrg (1891) 

 arc s\-n()nynis of some species of Crenicichla. The genus Cichla 

 is not found in the basin of the Rio de la Phita. 



6. C. temensis ]lunil)uhll. 



No. 2507a-/); (/, 19.5 cm.; b, 16 cm.; Manaos, Nov. 15 and 17, IQ09. 

 The specimen numbered 25076 has A. II, 10; D. XV, 16, and no 

 distinct bars on the sides. 



Genus Uaru Meckel. 



7. U. amphiacanthoides Heckel. 



No. 2507, 12 cm., Manaos, Nov. 16, 1909. 



8. U. imperialis (Steindachner). 

 Habitat. — Amazon near Rio Negro. 



No specimens were taken by the expedition of the Carnegie Museum. 



Genus AcAROPSis Steindachner. 



9. A. nassa (Heckel). 



Nos. 25080-e, 2.5-10 cm., Bastos, Rio Alegre, June 26, 1909. 



Nos. 2509C-&, 5 cm., Sao Antonio de Guapore, Rio Guapore, July 28 



and Aug. 3, 1909. 

 Nos. 25ioa-fe, 10 cm., Santarem, Dec. li, 1909. 

 Nos. 25110-6, 12.5 cm., Manaos, Nov. 27 and 29, 1909. 



Genus Astronotus Swainson. 



10. A. ocellatus (Agassiz). 

 A. hypostictus Cope. 



Nos. 25i2a-c, 12-17. 3 cm., Sao Antonio de Guapore, July 23-Aug. 11, 



1909. 

 Nos. 2513C-&, 13 and 19 cm., Campos Alegre, Rio Jauru, June 4, 1909. 

 Nos. 25140-6, 12 and 13.5 cm., Manaos, Nov. 15, 1909. 



One of these specimens has nineteen dorsal and fourteen anal rays, 

 six rows of scales on the cheeks, and thirty-one scales in a row below 

 the lateral line. 



The native name applied by the Guarani to this species is " Cara- 

 ussu." 



11. A. ocellatus zebra Pellegrin. 



Habitat. — Santarem. No specimens were obtained. 



12. A. orbiculatus, sp. nov. (Plate LIII.) 



