Occasional Papers of the Museum of Zoology 5 



the only character used by Regan to distinguish the two forms in 

 his synopsis of the species.* 



The material of Cichlasoma tetracanthus examined by the 

 writer consists of a set of Eigenmann's series from San Cristobal, 

 San Antonio, Pinar del Rio, Calabazar, and Los Palacios, all in 

 Cuba; also two from a small lake at Santiago de las Vegas and 

 three from Calabazar, Cuba, collected by Mr. T. L. Hankinson. 



' Ann. Mag. Nat. Hist. (7), XVI, 1905, 66. 



