eigenmann: pimelodella and typhlobagrus 



243 



14. Pimelodella laticeps sp. nov. (Plate XXX, fig. 2). 



6957a C. M., type, 62 mm., 6958a-c C. M., paratypes, 75-90 mm., Sapucay, 



Paraguay, April 2, 1909. Haseman. 



Head 4; depth about 4.66; D. 1.6 in two, 1.7 in the other two; A. 14 or 15; 

 eye in middle of the head, 4.33-5; interorbital very broad, 3-3.5 in the head; 

 maxillary barbel reaching nearly to tip of the depressed dorsal or slightly beyond it; 

 postmental slightly beyond base of last pectoral ray. 



Adipose fin 4-4.3 in the length, the space between the dorsal equal to eye 

 and snout; pectoral spine equal to head without the opercle; 7 recurved notches 

 in the distal four tenth of the anterior face, the proximal portion with minute 



Fig. 2. Pimelodella laticeps Eigenmann. Dorsal view of head, X 2. 



tubercles; posterior face smooth opposite the notches of the anterior face and 

 with 10-11 small thorns, the largest about half the width of the spine on the basal 

 six-tenths of the spine. Dorsal spine equals snout and eye, with very few faint 

 recurved notches near the tip in front, otherwise smooth; a large dusky blotch 

 behind the gill-opening, a dark band along the middle of the sides from below the 

 dorsal to the caudal; dorsal dusky; a hyaline band through the basal half of the 

 fin ; a dark stripe along the middle of the back. 



15. Pimelodella laticeps australis var. nov. ~ 



Pimelodus lateristriga Boulenger, Proc. Zool. Soc, 1891, p. 232 (Rio Grande do 



Sul). 

 Pimelodella lateristriga Eigenmann, Ann. N. Y. Acad. Sci., VII, 1894, p. 632. 

 6950 C. M., type, 75 mm., 6951a-s C. M., 50-87 mm., Uruguayana, Feb. 5, 1909. 



Haseman. 

 6952a-p C. M., 52-76 mm., Cacequy, Rio Ibicuhy, into the Rio Uruguay, Feb. 13, 



1909. Haseman. 



