392 



Mr. C. T. Regan— .4 Revision of 



5. Pyrrhulina australis. 



Pyrrhulma australe, Eigeum. & Kennedy, Proc. Acad. Philad. 1903, 

 p. 508. 



Depth of body 3| to 4^ in the lengtli, length of head 3| 

 to '4^. Caudal peduncle i to | length of head. Snout 

 shorter than diameter of eye, which is 3 in the length of 

 head ; interorbital width 2 to 2^. 20 to 23 scales in a 

 longitudinal series. Dorsal 10-11 ; origin equidistant from 

 head and base of caudal or a little nearer to head. Anal 11-12. 

 Olivaceous ; a blackish stripe from lower jaw to eye, usually 

 continued as a brownish stripe on postorbital part of head ; 

 a black spot on dorsal fin. 



La Plata : Rio Grande do Sul. 



1-8. 30-40 mm. Colonia Eisso, Upper Paraguay. 



Borelli 



6. Pyrrhulma hrevis. 



Pyrrhulina brevis, Steind. Sitzungsb. Akad. Wien, Ixxii. 1876, p. 11, 

 pi. i. figs. 3-4 ; Eigenm. & Eigeum. Proc. Calif. Acad. (2) ii. 1890, 

 p. 111. 



Depth of body nearly equal to length of head, 3i to 4 in 

 the lengtli of the fish. (Jaudal peduncle -| or 3 length of 

 head. Snout nearly as long as or even a little longer than 

 diameter of eye, which is 3|- to 4 in the length of head; 

 interorbital width 2^ to 3. 20 to 22 scales in a longitudinal 

 series. Dorsal 9—10, moderately elevated ; origin equi- 

 distant from operculum and base of caudal, or a little nearer 

 the former. Anal 11-12. Olivaceous ; a dark stripe from 

 eye round lower jaw ; a dark spot on dorsal tin ; pelvic and 

 anal fins with narrow blackish td^e. 



Amazon. 



1. 85 mm. 



Manaos. 



Sutton. 



o. COPEINA. 

 Copeina, Fowler, Proc. Acad. Philad. 1906, p. 294. 



Differs from Pi/rrhu/ina iv the uniserial prpemaxillary 

 teeth. 



