REPORT OF COMMISSIONER OF FISH AND FISHERIES. [34] 



Family XXXIII.— OHARACINID^. (32) 



105.— TETRAGONOPTERUS Cuvier. (114) 

 $ Astyanax Baird & Girard. 



425. Tetragonopterus argentatus Baird &, Girard. Vsw. (429) 



Order 0.— ISOSPONDYLI. (M) 

 Family XXXIV.— ALEPOCEPHALID^. (33) 



106— ALEPOCEPHALUS Risso. (115) 



426. Alepocephalus bairdii Goode & Beau. B. (430) 



427. Alepocephalus agassizii ^ Goode & Bean. B. 



428. Alepocephalus productus"^ Gill. B. 



Family XXXY.— ALBULID^. (34) 

 107.— ALBULA (Gronow) Blocb & Schneider. (116) 



429. Albula vulpes Linnaus. S. W. C. P. (116) 



Family XXXVI.— HYODONTID^. (35) 

 108.— HYODON Le Sueur. (117) 



430. Hyodon alosoides Rafinesque. Vw. (432) 



431. Hyodon tergisus Le Sueur. Vw. (433) 



432. Hyodon selenops Jordan & Bean. Vsw. (434) 



Family XXXVII.— ELOPID^. (36) 



109.— ELOPS LinujBus. (118) 



433. Elops saurus Linnseus. S. W. P. (435) 



110.— MEGALOPS Lac^pfede. (119) 



434. Megalops atlanticus Cuv. & Val. S. W. (436) • 



^Alepocephalus acjassizii Goode & Bean. 



Dusky ; head and fins nearly black. Body a little deeper than in A. bairdii. Head 

 compressed, the snout conically eloufrate, the lower jaw sliglitly produced; width of 

 head 9^ in length of body (12 in A. hairdil). Eye 3^ in head (4^ in A. bairdii). Scales 

 parchment-like. Dorsal inserted directly above vent, the distance from its origin to 

 base of caudal one-third its distance from front of eye. Anal inserted under second ray 

 of dorsal. Length of pectoral equal to diameter of eye and 10^ in body. Ventral about 

 one-sixth of head. Head 3 ; depth 5. D. 15; A. 17. Scales 10-90-11. Gulf Stream, 

 lat. 30°, in 922 fathoms. {Goode ^' Bean.) (Goode & Bean, Bull. Mus. Comp. Zool, 

 1882, 215.) 



^Alepocephalus jyroductus Gill, Proc. U. S. Nat. Mus., 1883, 256. Gulf Stream, in deep 

 water. 



