258 



Annals of the Carnegie Museum. 



5791 a~b. About 145 and 160 mm. Maciel, Rio Guapore, July 23, 



1909. 



Depth 2.33-2.3 to end of scaled portion of caudal; head 3.33-34 ; 

 D. 17; A. 33 and 34; serrae 30; eye l in snout, 4.5 in head; 1.5 in 

 interorbital. A large humeral spot, caudal with a dark V-shaped 

 basal bar and broadly margined with dark. 



Fig. 9. Dentition of Serrasalmo humeralis gracilior Eigenmann. (Enlarged.) 



Origin of dorsal a little nearer end of lateral line than tip of snout. 

 Differing from typical humeralis by having the back less elevated, 

 the dorsal more rounded. 



25. Serrasalmo brandti Reinhardt. (Plate LI.) 

 Serrasalmo brandlii Lutken, Velhas-flodens Fiske, 1875, p. 237 with fig. and p. 

 xviii (Rio das Velhas); Eigenmann & Eigenmann, Proc. U. S. Nat. Mus., 

 Vol. XIV. 1891, p. 60; Eigenmann & Ogle, Proc. U. S. Nat. Mus., Vol. XXXIII. 

 1907, p. 35 (Lagoa Santa); Eigenmann, Reports Princeton Univ. Exp. Pata- 

 gonia, Vol. Ill, 1910, p. 442. 



Distribution. — Rios San Francisco and Itapicurii. This species is 



abundant in the San Francisco basin from which the following were 

 taken. 



5762 a-g. C. M. 120-190 mm. Joazeiro, Nov. 28, 1907. Haseman. 



5763 a~h. C. M. 27-112 mm. Penedo, March 20, 1908. Haseman. 



5764 a-h. C. M. 26-178 mm. Barreiras, Jan. 3 and 4, 1908. 

 Haseman. 



5693 a. C. M. 34 mm. Barra de Penedo, April 8, 1908. Haseman. 

 5690 a-s. C. M. 18-32 mm. Boqueirao, Jan. 6, 1908. Haseman. 



5765 a-b. C. M. 44 and 92 mm. Januaria, Dec. 12, 1907. Hase- 

 man. 



