l62 EIGENMANN AND WARD 



bb. A maximum of 1 1 to 13 scales between lateral line and middle 

 line of back ; angle of mouth just below or a trifle in front 

 of eye ; snout about 2.5 in head ; depth of snout just in front 

 of eye equaling or exceeding length of snout ; depth of head 



about 1.35 in its length albifro?is, 2. 



bbb. Angle of mouth behind e3-e ; vent in front of eye; A. 165. 



( Castelnau ) bonapartii^ 3 . 



aa. Scales large, a maximum of 6 scales between lateral line and 

 middle line of back macrolepis^ 4. 



I. STERN ARCHUS BRASILIENSIS Reinhardt. 



Sternarchus brasiliensis Reinhardt, Vidensk. Meddel. Naturh. 

 Foren. Kjobenh., 1852, or Wiegm. Arch. 1854, 182; Giin- 

 ther, Cat., VIII, 3, 1870 (Rio das Velhas) Lutken, Velhas 

 Flodens Fiske, 247 and XIX, 1875 (Rio das Velhas) ; Stein- 

 dachner, Flussf. Siidam., Ill, 14, 1881 (Rio das Velhas) ; 

 Eigenmann & Eigenmann, Proc. U. S. Nat. Mus., XIV, 

 189T, 61 (Rio das Velhas). 



SternarcJuLS alb(frons, Eigenmann & Norris, Revista Museu 

 Paulista, IV, 349, 1900 (Piracicaba) ; not of Linnaeus. 

 Habitat : Southeastern Brazil but not in its coastwise streams. 



2. STERNARCHUS ALBIFRONS (Linnceus). 



Gyninotus alhifrons Linnaeus, Syst. Nat., ed. XII, i, 428, 1766 ; 

 Pallas, Spic. Zool., VII, 36, tab. 6, fig. i, 1769; Bonnaterre, 

 Tabl. encycl. des trois regnes natura, Poiss., 37, pi. 24; fig. 

 82, m. 3, 1788. 



Sternarchus albifrons, Bloch & Schneider, 497, tab. 94 ; Castel- 

 nau, Anim. Amer. Slid, Poiss., 91, pi. 45, fig. i, 1855; 

 Kaup. Apodes, 126; Steindachner, Sb. Akad. Wiss. Wien, 

 LVIII, 1868, 249 (Cuyaba). Giinther, Cat., VIII, 2, 1870 

 (Para; Santarem) ; Peters, Mb. Akad. Wiss. Berl., 1877, 

 473 (Apure) ; Cope, Proc. Am. Philos. Soc. 1878, (Peru- 

 vian Amazon); Boulenger, Proc. Zool. Soc. 18S7, 282, 

 (Canelos) ; Steindachner, Flussf. Siidam., Ill, 13, pi. 5, fig- 

 6, 1881 (Manacapuru ; Teff e ; Obidos) ; Eigenmann & 

 Eigenmann, Proc. U. S. Nat. Mus., XIV, 1891,61 ; Perugia, 

 Ann. Mus. Civics Stor. Nat. Genova, ser. 2, vol. 4, 55, 

 1891 (Asuncion); Boulenger, Trans. Zool. Soc, XIV, 1896 



