io6 Field Museum of Natural History — Zoology, Vol. X. 



The following table gives the counts of anal rays of a number of 

 specimens: 



* The figures in the columns give the number of specimens counted. 



La Junta (39), 45 to 80 mm.; Guapilis (5), 75 to 125 mm.; Parismina 

 (22), 80 to 125 mm.; Costa Rica River (2), 65 to 112 mm.; Cuba River 

 (5), 82 to 105 mm.; Zent, April 12 (48), 55 to 100 mm.; Zent, April 15 

 (62), 56 to 120 mm.; La Victoria (22), 70 to 120 mm.; Chitaria (2), 

 85 to 95 mm. (Alfaro). 



Astyanax albeolus Eigenmann. 



Astyanax cerstedii Meek (not Kro^'cr), Pub. Field Mus., Zool. Ser., 



VII, 1907, 145, part (Rio Siguiares* & Rio Machuca, Costa Rica). 



Astyanax albeolus Eigenmann, Bull. Mus. Comp. Zool., iqcS, 97 



(Rio Machuca and Rio Siquiarcs,* Costa Rica). 

 Astyanax ceneus Meek, Pub. Field Mus., Zool. Ser., vii, 1907, 145 



(Rio Siguiares* and Pacific Side, Costa Rica). 

 Tetragonopterus ccneus Regan (not Giinther), Ann. & Mag. Nat. 



Hist., 1908, 456, part (Rio Grande de Terraba, Costa Rica). 



Turrubales (52), 45 to 115 mm.; Jesus Maria (48), 75 to no mm.; 



Orotina, April 20 (70), 50 to 145 mm.; Orotina, April 22 (160), 35 to 



120 mm.; Rio Machuca (2), 115 and 118 mm. (Alfaro); Siquiarcs (i), 



86 mm. (Alfaro); Pacific Side (i), 83 mm. (Alfaro); Sumbres (10), 



* Misspilled Siguires. 



