ANNOTATED LIST OF THE SPECIES 381 
489. ORESTIAS ROSPIGLIOSIE Kigenmann and Allen, sp. nov. 
12290, 5, largest, type, 53 mm., Rio Languf, Peru (above 12,000 feet) Eigenmann, December 8, 1918. 
Head 4.0-4.2; depth 5.33-5.5; D. 18-14; A. 14-15; eye 2.4—2.75; interorbital 
4 in the head, snout very little more than half the eye in length; mouth small, 
very oblique; mandible vertical, forming a right angle with the lower surface of the 
head, equal to snout and half the eye. 
Seales small, mostly lost, about 15 between the middle of the anal fin and 
dorsal; origin of the dorsal fin nearer to the base of the caudal than to the eye; 
origin of the anal fin about opposite to the origin of the dorsal; depth of the caudal 
peduncle 2.5-3.0 in its length. 
For our friend Dr. Carlos Rospiglosi y Vigil, director of the Zoological Museum 
of the University of San Marcos, leader of the University’s expeditions into the 
Chanchomayo, member of the army medical corps, and of the army hospital staff. 
Having been unable to find the types, the description is incomplete, and I do 
not know where the species belongs. 
Order SYNENTOGNATHI 
Family XIX: Belonidae 
Genus 196: POTAMORRHAPHIS Giinther 
Potamorrhaphis Giinther, 1866, Cat. Fish. Brit. Mus., VI, 234; 
Aigenmann and Kigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 66; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 463; 
Higenmann, 1912, Mem. Carnegie Mus., V, 461. 
Type: Belone taeniata Giinther = B. guianensis Schomburgk 
Guiana to Peru and Paraguay 
Greatly elongated, needle-shaped fishes of small size, with snout greatly 
prolonged; dorsal rays subequal in length, anterior ones not forming a lobe. 
490. PorAMORRHAPHIS GUIANENSIS (Schomburgk) 
Belone guianensis Schomburgk, 1843, Fish. Brit. Guiana, IT, 131, pl. i. 
Potamorrhaphis guianensis Kigenmann and Higenmann, 1891, Proc. U.S. Nat. Mus., XTV, 66; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 463; 
Higenmann, 1912, Mem. Carnegie Mus., V, 461; 
Fowler, 1919, Proc. Acad. Nat. Sci. Phila., LX-XI, 6, Nauta; 
Fowler, 1939 (1940), Proce. Acad. Nat. Sci. Phila., XCI, 278, two, 146 and 195 mm., 
Contamana. 
Belone scolopacina Cuvier and Valenciennes, 1846, Hist. Nat. Poiss., XVIII, 428; 
Giinther, 1866, Cat. Fish. Brit. Mus., VI, 256. 
Belone taeniata Giinther, 1866, Cat. Fish. Brit. Mus., VI, 256; 
Cope, 1878, Proc. Amer. Phil. Soc., XVII, 695, Rio Maranon. 
