1884,] NATURAL SCIENCES OF PUILADELPHIA. 123 



caudal fin; dorsal lobe U, anal If in length of body; ventrals 

 reaching | distance to vent, their length 2f in head ; caudal 

 very deeply forked, their lobes nearly half length of body. 

 Color bluish above, golden below ; lobes of dorsal and anal 

 very dark, rest of the fins pale, with bluish edges ; caudal bluish; 

 Pectorals golden and bluish ; ventrals whitish. Body crossed 

 by four black vertical bands ; the first is under the procumbent 

 spine, the second under the third dorsal spine, the third and 

 fourth under the soft dorsal. A black spot, representing a fifth 

 band, on latter line between the last rays of dorsal anal; this is 

 sometimes obsolete ; the position of these bands appears to be 

 subject to slight variation. The young of this species has not yet 

 been described. 



Trachynotus fasciatus. 



Trachynotus fasciatus Gill, Proc. Acad. Nat. Sci. Phila., 1863, 86 (Cape 

 San Lucas) ; Giinther, Fishes Cent. America, 1869, 434 (Panama, 

 San Jose and Nicaragua) ; Jordan & Gilbert, Proc. U. S. Nat. Mus., 

 1881, 232 (Porto Escondido, Mexico) ; Jordan & Gilbert, Bull. U. S. 

 Fish Com., 1882, 106 (Mazatlan, no description) ; Jordan* Gilbert, 

 Proc, U. S. Nat. Mus., 1882, 359 (Cape San Lucas, no description\ 

 Trachynotus glaucoides Giinther, Proc. Zool. Soc, 1864, 150 (San Jose ; 

 Nicaragua). 

 Habitat. — Pacific Coast of Tiopical America : Cape San Lucas, 

 Mazatlan, Porto Escondido, San Jose, Nicaragua, and Panama. 



This species is the Pacific representative of Trachynotus 

 glaucus, which species it strongly resembles. The diflTerence in 

 the profile is, however, constant and characteristic. 



Trachynotus kennedyi. 



Trachynotus kennedyi Steindachner, Icht' yol., Beitrage, ii', 1875, 47, PI. 



v;i, (Magdalena Bay) ; Giinther, Fish, Cent. Amer., 1869, 388 (in 



part, Panama). 

 Trachynotus ovatus Lockington, Proc. Cal. Acad. Nat. Sci., 1876, 4 



(Lower California) ; Jordan & Gilbert, Proc. U. S. Nat. Mus., 1882, 



375 (Panama, not of Cuv. & Val.). 

 Trachynotus rhomboides Jordan & Gilbert, Proc. U. S. Nat. Mus., 1882, 



625 (Panama, young). 

 Trachynotus rhodopus Jordan & Gilbert, Bull. U. 8. F.sh Com., 1882, 



106 (Mazatlan, not of Gill). 



Habitat. — Pacific Coast of Tropical America : Magdalena Baj', 

 Mazatlan, Panama. 



This species is the Pacific Coast representative of Trachynotus 

 rhomboides, from which it differs in the presence of a black axil- 



