446 MEMOIRS OF THE CARNEGIE MUSEUM 



Ilisha (Gray) Richardson, "Ichthyology of the Seas of China and Japan," in 



Proc. Brit. Ass. Adv. Sci., 1845 (1846), 306 (abnormis) (no description). — 



Bleeker, Nederl. Tijdschr. Dierk., 1866, 300 (abnormis). 

 Pellona Cuvier and Valenciennes, Hist. Nat. Poiss., XX, 1847, 300 (orbignyana 



= flavipinnis). 



Characters as given in the key. 



288. Ilisha flavipinnis (Valenciennes). 



Pristigaster flavipinnis Valenciennes, in d'Orbigny, Voy. Am. Mcr., V, ii, 1847, 



pi. 10, fig. 2 (Buenos Aires). 

 Pellona orbignyana Cuvier and Valenciennes, Hist. Nat. Poiss., XX, 1847, 306 



(mouth of Amazon). (D. 19; A. 36-38.) 

 Pellona flavipinnis Gunther, Catalogue, VII, 1868, 454. 

 Ilisha flavipinnis Jordan and Evermann, Bull. U. S. Nat. Mus. No. 47, 1896, 436. 



— Eigenmann, Proc. Wash. Acad. Sci., VIII, 1907, 453 (Buenos Aires); Repts. 



Princeton Univ. Exp. Patagonia, III, 1910, 452. 



Three specimens, 260-270 mm. to the end of the middle caudal rays. George- 

 town market. (C. M. Cat. Nos. 1485 and 2442; I. U. Cat. No. 12557.) 



Head 4; depth 3; D. 19; A. 38-40; scales 60-62; eye .75 in the snout, 3.5 in 

 the head; abdominal serrae 32-34. 



Compressed; ventral profile greatly arched; dorsal outline nearly straight from 

 snout to caudal; maxillary-premaxillary border 2 in the head; mouth oblique, the 

 chin entering the profile. 



Dorsal nearer to snout than to caudal by a space equal to the snout and eye, 

 slightly emarginate, the tips of the first two-fifths of the rays extending beyond the 

 tip of the last ray; at least the lower caudal lobe prolonged into a filament, the 

 lobe with the filament 2.75 in the length, without the filament 3.75. Ventrals in 

 advance of the dorsal, 2.3-3 in the head; distance of anal from snout greater 

 than the distance of the base of the last dorsal ray from the snout by an orbital 

 diameter. 



Silvery; the caudal dusky. 



Odontognathus Lacepede. 



Odontognathus Lacepede, Hist. Nat. Poiss., II, 1799, 221. 

 Gnathobolus Bloch and Schneider, Syst. Ichth., 1801, 556. 



Type, Odontognathus mucronatus Lacepede. 



With the characters as given in the key. 



