408 Annals of the Carnegie Museum. 



35. Corydoras amphibelus Cope. 



Corydoras amphibelus Cope, Proc. Acad. Nat. Sci. Phila., 1871, 282 (Ambyiacu 

 River). 



No specimens. 



36. Corydoras punctatus (Bloch). 



Cataphractus punctatus Bloch, Ausl. Fische, pi. 377, fig. 2. — Bloch and Schnkidkr. 



Syst. Ichthyol., 1801, 108. 

 Corydoras punctatus Eigenmann and Eigenmann, Occasional Papers Cal. Acad. 



Sci., I, 1890, 472; Eigenmann, Mem. Carnegie Mus., V, 1912, 220, pi. XXIVt 

 fig. 3- 

 Corydoras melanistius Regan, Ann. & Mag. Nat. Hist. (8), X, 1912, 216 (Essequibo). 



Regan, perhaps properly, regards Corydoras punctatus Eigenmann 

 as distinct from Corydoras punctatus (Bloch). Bloch's figure repre- 

 sents his punctatus with vertical series of spots on the caudal. 



1560 C. M., 1 1977 I. U. M. Mud-flats of Demerara River below 

 Wismar, British Guiana, 1908. Coll. Eigenmann. 



1561 C. M., 1 1978 I. U. M., Erukin, British Guiana, 1908. Coll. 

 Eigenmann. 



1562 C. M., 1 1979 I. U. M. Malali, British Guiana, 1908. Coll. 

 Eigenmann. 



1563 C. M. One below Packeoo Falls, British Guiana. 



1564 C. M., 1 1980, I. U. M. One, 29 mm. Tumatumari, British 

 Guiana, 1908. Coll. Eigenmann. 



1566 C. M., 11981 I. U. M. One, 50 mm. Kumaka, British Guiana, 

 1908. Coll. Eigenmann. 



1567 C. M. Wismar. Coll. Eigenmann. 



1568 C. M., 1 1982 I. U. M. Konawaruk, British Guiana, 1908. 

 Coll. Eigenmann. 



1569 C. M., 1 1983 I. U. M. Rockstone, British Guiana, 1908. 

 Coll. Eigenmann. 



1565 C. M., 1 1984 I. U. M. Creek below Potaro Landing, 1908. 

 Coll. Eigenmann. 



3500 C. M. Two, 51 and 55 mm., Santarem, Dec. 15, 1909, coll. 

 Haseman; forty-five, 29 to 53 mm., Gluck Island, British 

 Guiana, coll. Ellis; one, 33 mm., Hubabu Creek, British 

 Guiana, coll. Ellis. 



37. Corydoras julii Steindachner. 



Corydoras julii Steindachner, Akad. Anzeiger, XXVII, 1906 (Parahim, outlet of 

 Lake Paranagua). 

 No specimens. 



