240 MEMOIRS OF THE CARNEGIE MUSEUM 



5. Pimelodella avanhandavae sp. nov. (Plate XXIX, fig. 3). 



6969a C. M., type, 85 mm., 6970a-a; C. M., paratypes, 57-96 mm., Rio Tiete at 



Salto Avanhandava, above the fall, Sept. 14, 1908. Haseman. 7062a-<7, 



56-77 mm., same place, Sept. 15, 1908. 



Habitat. — Tiete Basin. 



Very similar to P. gracilis and characterized by the long adipose and com- 

 paratively short barbels. 



Head 4.5; depth 5.6; D. 1.6; A. 11-12; eye 4-4.25 in the head; interorbital 4; 

 adipose 2.75-3.25 in the length. Maxillary barbel extending nearly to tip of 

 ventrals or the middle of anal; postmental beyond base of pectoral; pectoral spine 

 equal to or a little longer than snout and eye; dorsal spine a little less than snout 

 and eye; about 11 thorns, haK as wide as the spine along the basal .7 of the pos- 

 terior margin of the pectoral spine, 4-6 recurved hooks and numerous tubercles 

 along the anterior margin; a narrow dark band along the middle of the sides, 

 faintly continued on the head; a hyaline band through the basal half of the dorsal. 



6. Pimelodella roccae Eigenmann MS. 



Pimelodella roccce Eigenmann, Mem. Comp. Zool., 1917, (UnpubHshed April, 1917) 

 (Lower Urubamba Valley). 

 Habitat. — Urubamba Valley. 



7. Pimelodella puruensis Fowler. 



Pimelodella puniense Fowler, Proc. Acad. Nat. Sci. Phila., 1915, p. 214, fig. 4 



(Peruvian Amazon). 



This species is known only from the type, which is 52 mm. long. It is quite 

 possible that it is the young of one of the other known species. 



8. Pimelodella buckleyi (Boulenger). 



Pimelodus lateristriga {non Miiller & Troschel) Cope, Proc. Acad. Nat. Sci. Phila., 



1871, p. 270 (Ambyiacu River). 

 Pimelodus buckleyi Boulenger, Proc. Zool. Soc, 1887, p. 275, pi. XX, fig. 1 



(Canelos). 

 Pimelodella buckleyi Eigenmann, Reports Princeton Univ. Exp. Patagonia, III, 



1910, 389. 

 Pimelodella copei Fowler, Proc. Acad. Nat. Sci. Phila., 1915, p. 216, fig. 5 (based 



on Cope's specimens of lateristriga) . 



Habitat. — Maranon Basin. 



