PLATE 53. 

 (Mem. Carnegie mus., 5, Plate 51). 



Fig. 1. Astyanax mucronatus Eigemnann. 



1025 CM. 53 mm. Type. Tumatumari, British Guiana. 

 Fig. 2. Astyanax mutator Eigenmann. 



1023 CM. 53 mm. Type. Savannah Landing, British Guiana. 

 Fig. 3. Astyanax essequibensis Eigenmann. 



1018 CM. 53 mm. Type. Tumatumari, British Guiana. 

 Fig. 4. Astyanax guianensis Eigenmann. 



1013 C M. 54 mm. Type. Warraputa, British Guiana. 



