412 FISHES FROM NICARAGUA. 



39913. Eulamia nicaraguensis Gill. _ 



A good specimen of this interesting fresh water shark, agreeing well 

 with Gill's description; both dorsals and caudal edged with black. 



39914. Philypnus dormitor (LacSpfcde). (Eleotria longicepa Gtinther.) 



39915. Heros dovii Gtinther. 



39916. Heros basilaris Gill and Bransford. 

 Four specimens. 



41001. Heros aureus Giinther. 



Small specimens, numbered as young of the preceding. 



39917. Heros nigrofasciatus Gunther. 

 Two specimens. 



39913. Tetragonopterus fasciatus (Cuvier). 

 39919 Heros nicaraguensis Girnther. 



Head less elevated above than in Giinther's figure; lateral spot very 

 distinct; other bands very obscure. 

 39920. Heros friedrichsthali Heckel. 



No distinct dark cross bands. 

 39958. Anacyrtus guatemalensis Gunther. ... ,, 



This specimen was with the others, but it is not included with the 

 memoranda of Dr. Birt's collection. 



Of the fourteen species here enumerated none are new. The follow- 

 ing do not seem to have been previously recorded from the basin of 

 Lake Nicaragua: 

 A ilu rich thys filamentosus. 

 Rhamdia guatemalensis. 

 Tetragonopterus fasciatus. 

 Chalcinopsis dentex* 



Indiana University, March 14, 1889 



Heros aureus. 

 Heros nigrofasciatus. 

 Heros motaguensis. 

 Heros friedrichsthali. 



