EIGENMANN: THE PYGIDIID.E, A FAMILY OF SOUTH AMERICAN CATFISHES. 347 



1889, p. 54; Occasional Papers Cal. Acad. Sci., I, 1890, p. 343; Proc. U. S. Nat. 

 * Mus., XIV, 1891, p. 37. 

 Henonemus punctatus Eigenmann, Reports Princeton Univ. Exped. Patagonia, 



III, 1910, p. 401. 



Habitat. — Canelos, Ecuador; Santarem, Brazil. 



Mr. Haseman collected the following specimens : 

 7083, CM., fourteen, largest 88 mm. Santarem, Dec. 9, 1909. 

 7544, C. M., four, 72-90 mm. San Antonio, Rio Madeira, Nov. 3, 1909. 



Fig. 23. Henonemus punctatus (Boulenger). After Boulenger. 



Head 5.5-6; depth 6.5-7; D. 10 or 11 ; A. 8; P. 6; eye 4 in the head; width of 

 the head 1.2 in its length; opercle with two spines, interopercle with four in the 

 main row, of which the upper is much larger, two in the second row; three rows of 

 movable teeth in the lip of the upper jaw, the rows close together, the teeth minute, 



Fig. 24. Henonemus punctatus (Steindachner). A, opercle with its two spines; B, pre-opercle 

 with its spines; C, half of the premaxillary with its teeth. 



