

Eigenmann: Collection of Fishes from Paraguay. 131 



40-6 ; maxillary with a 

 single tooth, extending 

 to below origin of pupil ; 

 depth 2.4 ; head 4 ; eye 

 a little more than 3 in 

 head. A. 33. 

 orlhodus 



Eigenmann 16. 

 ss. Greatly compressed. Scales 

 7 or 8-39 or 40-6 or 7 ; a 

 humeral and a caudal spot; 

 the pectorals extend be- 

 yond origin of ventrals ; 

 maxillary toothless, ex- 

 tending somewhat beyond 

 front margin of orbit ; head 

 $H"3ii depth 2^-2>( ; 

 A. 38-41. 

 can can us 



(Steindachner), 17. 

 qq. Humeral spot circular or vertically elon- 

 gate. 

 u. Depth 2-2.2; scales 8 or 9-36 to 

 40-8 or 9 ; a humeral and a cau- 

 dal spot ; maxillary with one 

 tooth; head 3.66; A. 38-39; 

 dorsal and ventral outlines 

 equally curved. 



atratoensis Eigenmann 18. 

 uu. Body more elongate ; humeral 

 spot circular. Anal rays 38. 

 A silvery lateral band. Dorsal 

 a little behind the origin of the 

 ventrals, the anterior anal rays 

 elongate. Maxillary extending 

 to near the anterior margin of 

 the eye. Depth 2.4 ; head 3.5; 

 scales 8-39-10. 



stilbe (Cope) 19. 

 pp. Dorsal plain or with a broad, oblique, dark 

 band across the middle. Scales 8-39-7 ; 

 maxillary extends a little beyond the 

 origin of the eye ; D. 1 1 ; A. 31 ; depth 

 2|^ ; head "$%... bartlettii (Giinther) 20. 

 aa. Anal rays 26-29. (Sometimes as many as 36 in cordovar.) 



v. A series of seven, deep brown, longitudinal bands. Maxillary extending 

 little, if any, beyond anterior margin of eye, with one tooth. Head 3§ ; 



