40. Argyropelecus hemigymnus, Cocco.

Argyropelecus hemigymnus, Cocco, Giorn. Sc. Sic. 1829, fasc. 77, p. 146. Bonaparte, Faun. Ital. Pesc. Cuv. & Val., Ilist. Nat. Poiss., XXII. p. 398. Günther, Cat. Fish. Brit. Mus., V. p. 385.

Sternoptyx hemigymnus, Valenciennes, in Cuvier, Regne Animal, 111. Poiss., PI. 103, fig. 3.?

Sternoptyx mediterranea ., Cocco, Giorni il Faro, 1838, IV. p. 7, fig. 2. Bonaparte, Faun. Ital. Pesc., Fig.

This species was obtained at Station 315, at a depth of 225 fathoms. It was also obtained by the steamer " Fish Hawk," August 18, 1882, at Station 1112 (Lat. 39° 5(3' N., Long. 70° 35' W., 245 fathoms), and was seen by Dr. Bean on the same vessel in 18S0.