402 Annals of the Carnegie Museum. 



longitudinal series of slightly larger spots both above 

 and below the lateral line; a group of five or six fainter 

 spots just above the anal. Adipose and anal with a 

 series of small dark spots. Dorsal spine short, 1.5 in 

 the head, shorter than the pectoral spine by three- 

 fourths the diameter of the eye. Two azygous plates. 

 Snout narrow, 1.6 to 1.8 in the head. Eye 1.9 in the 

 snout, 3.5 to 3.8 in the head, 1.7 in the interorbital. 

 Head 3.2 to 3.3; depth 2.5 to 3; D. I, 8; A. I, 6; lateral 



22 



plates — multimaculatus Steindachner. 46. 



20 



aaa. An intense black hastate spot at the base of the caudal fin, margined behind 



with white, and terminating the black lateral band. A black or blackish 



line on either side from a short distance behind the ventrals to behind the 



anal. 



/. Pectoral spine a little longer than the dorsal spine, weakly serrate along both 



margins. Lateral band and stripe on the ventral plates jet-black and 



very prominent. Eye large, 1.5 in the snout, 3.5 in the head, 2 in the 



22 

 interorbital. Head 3.3; depth 2.75; D. I, 7-8; A. 7-8; lateral line — . 



20 



hastatus Eigenmann and Eigenmann. 47. 



//. Pectoral spine longer than the dorsal spine, its surface striate, comparatively 



free from serrations. Lateral band a narrow, dusky line, and the stripe 



on the ventral plates rather faint, at least toward the anal. Eye large, 



1 in the snout, 3 in the head, 1.66 in the interorbital. Head 3.5; depth 



2.5 ; D. I, 7 ; P. I, 7 ; V. 7 ; A. I, 6 auslralis Eigenmann and Ward. 48. 



20. Corydoras elegans Steindachner. 



Corydoras elegans Steindachner, " Ichthyologische Beitrage," V, 1876, 93 (Cuda- 

 jas; Teffe). 



4227 I. U. Three, about 49 to 55 mm. Cudajas. 



21. Corydoras nattereri Steindachner. 

 (Plate XXXI, figs. 1, la, lb.) 



Corydoras natlereri Steindachner, " Ichthyologische Beitrage," V, 1876, 95, pi. 

 XI, fig. 1-1& (Rio Janeiro). — Eigenmann and Eigenmann, Occasional Papers, 

 Cal. Acad. Sci., I, 1890, 470. 



3487 C. M. Eleven, 50 to 69 mm. Morretes, Jan. 2 and 3, 1908. 

 Coll. Haseman. 



3488 C. M. Five, 27 to 46 mm. Sao Joao da Barra, June 22, 1908. 

 Coll. Haseman. 



3489 C. M. Nineteen, 32 to 62 mm. Entre Rios, June I, 1908. 

 Coll. Haseman. 



