330 Annals of the Carnegie Museum. 



Family CICHLID^. 

 Genus Ch.^tobranchus Heckel. 



1. C. flavescens Heckel. 

 Geophagiis badiipinnis Cope. 



No specimens were taken on the expedition. 



2. C. semifasciatus Steindachner. 



No specimens were taken by me on my journeys. 



Genus Ch.etobranchopsis Steindachner. 



3. C. orbicularis Steindachner. 



No. 2499,* 12 cm., Santarem, Dec. 8, 1909. 

 No. 2500, 10 cm., Belem, Para. Jan. 22, 1910. 



These specimens do not have spots on their sides. They are scarcely 

 distinguishable from the following. 



4. C. australis Eigenmann and Ward. 



No. 24970-5, 6 and 6.5 cm., Campos Alegre, Rio Jauru, June 4, 1909. 

 No. 2498, 2 cm., Puerto Suarez, Bolivia, May 6, 1909. 



The latter specimen has no spots on the cheeks and the vertical 

 fins are spotted. 



Genus CiCHLA Bloch and Schneider. 



5. C. ocellaris Bloch and Schneider. 



No. 25020-5, 12 and 16 cm., Sao Antonio de Guapore, Rio Guapore, 



July 23 and 26, 1909. 

 No. 2503, 14.5 cm., Santarem, Dec. 12, 1909. 



This specimen has D. XVI, 17, and three typical bars. 

 No. 2504, 25 cm., Manaos, Nov. 17, 1909. 



Has D. XVI, 16. No cross-bars, and only two dark spots represent- 

 ing obsolescent cross-bars near the anterior and posterior base of the 

 dorsal fin. Some of the scales in the pectoral region have brown 

 spots. 

 No. 2505, 19 cm., Manaos, Nov. 17, 1909. 



Has spots on the sides. 

 No. 2506, 5 cm.. Villa Bella, Rio Beni, Bolivia, Oct. 5, 1909. 



type of each species. It is quite probable that a more critical study of this large 

 amount of material may lead to conclusions at variance with some of those here 

 expressed. — C. H. Eigenmann, Curator of Fishes. 



^The numbers preceding the record of length are the numbers given in the 

 Catalog of Fishes of the Carnegie Museum. 



