NO. 1556. LIST OF CHARACIN FISHES— EIGENMANN AND OGLE. 



17 



mens which may be called santdd have the following- characters: Depth 

 2.6; head 3.5; A. 21; eye 3.5, slio-htly longer than snout; interorbital 

 3 in head; maxiliar}^ slight]}- longer than interorbital; scales 6-30-3^. 

 A second specimen: scales 5-33-3^. 

 HemigTammus inconstans Eig-enmann and Og-le, new species. 



7]/7A.— Cat. No. 3J:5i»l, U.S.N.M., presented by J. C. Brevoort, 

 Para (?), Brazil. One specimen, 44 mm. long- to base of caudal (58 

 over all). 



Tt/pe.— Cat. No. 55652, U.S.N.M. 



Scales 6-32-4i; A. 26; laterallineonleft«iJ + 4 + j^ + 3 +7 + 7 + ^, 

 on right IS -\- 14 +^; one maxillary tooth. 



Cottjpe. — One specimen 39 nun. to base of caudal (50 over all). 

 Scales 6 + 32 + 5; A. 26; lateral line on left i^:> + 1 + ;^ + 16 + =?, 

 on right 17 + 2 + 7 + 9 + 3. 



Cotype. — One specimen 45 nun. to base of caudal (about 57 ov^er all). 

 Scales 6 + 32 + 5; A. 26; lateral line complete. 



Fig. 4. — HEMiyRAMMUs inconstans. 



Cotype. — ^One specimen 38 mm. to base of caudal (about 51 over all). 

 Scales 6 + 32 + 5; A. 26; lateral line complete. 



Cotype. — One specimen 37 mm. to base of caudal (47 over all). 

 Scales 6 + 33 + 5; A. 24; lateral line complete to the last two or three 

 scales, which are without pores. 



Depth 2.6-2.75; head about 4; eve equals interorbital, 2f-3 in head; 

 snout 4 in head; maxillary not reaching to end of first suborbital, 

 much shorter than ej^e, with a single tooth. 



Origin of dorsal behind base of ventrals, pectorals reaching slightly 

 beyond base of ventrals; ventrals nearly or quite to anal. Highly 

 iridescent; an obscure vertical humeral spot, an indistinct lateral band; 

 a conspicuous caudal spot which is not continued on the middle rays. 

 Fins all dusky. This species is evidently very closely related, if not 



« Those in italics with pores, 

 Proc. N. M. vol. xxxiii— 07 2 



