126 PROCEEDINGS OF THE ACADEMY OP [1884. 



ennes) ; Goode & Bean, Proc. U. S. Nat. Mus., 1879, 129 (West 

 Florida, Jupiter's Inlet) ; Goode & Bean, Proc. tJ. S. Nat. Mus., 1879, 

 339 ("West Florida, Marquesas Keys) ; Goode, Proc. U. S. Nat. Mus., 

 1879, 112 (name only) ; Goode, Bull. U. S. Fish Com., 1881, 36, 40 

 (Key West and Jupiter's Inlet) ; Goode, Bull. U. S. Nat. Mus., 1880, 

 24 (name only) ; Goode & Bean, Proc. U. S. Nat. Mus., 1882, 237 

 (name only) ; Jordan & Gilbert, Syn. Fish. N. A., 1882, 442 ; Jor- 

 dan & Gilbert, op. cit., 1882, 974. 



Trachynotus rhodopus Gill, Proc. Acad. Nat. Sci. Phila., 1863, 85 (Cape 

 San Lucas ; young). 



Trachynotus nasutus Gill, Proc. Acad. Nat. Sci., 1863, 85 (Cape San 

 Lucas ; very young). 



Trachynotus CaroUnus, Poey, Syn. Pise. Cubensium, 1808, 371 (Cuba) ; 

 Poey, Eilumeratio Pise. Cubensium, 1875, 86. 



Habitat. — Both coasts of Tropical America : West Florida, 

 Jupiter's Inlet, Marquesas Keys, Key West, Cuba, Caribbean 

 Sea, Cape San Lucas. 



Head 3 in length ; depth 2f : D. VI-I, 19 ; A. II-I, U ; length 

 of specimen described (Key West), 2^ inches. 



Body oblong, elliptical, moderately compressed ; profile nearly 

 straight from procumbent spine to nostril, where it descends 

 nearly vertical, forming an angle ; vertical portion from angle to 

 snout nearly equals the eye ; maxillary reaches slightly behind 

 vertical from middle of eye, its length 2f in head ; jaws with bands 

 of villiform teeth (these disappearing with age) ; ventrals reaching 

 I distance to vent, their length 2 in head ; tips of pectorals reach- 

 ing slightly past tips of ventrals ; dorsal spines connected by a 

 membrane, which is only characteristic of the young. Dorsal 

 and anal fins falcate, their anterior soft rays less elevated than in 

 Trachynotus rhomboides, but extending beyond middle of fins 

 when depressed. Length in the young 4 in length of bod}' ; caudal 

 forked, lobes about 3 in bc*ly ; lateral line nearly straight, slightly 

 curved upwards above the pectorals ; color bluish silvery above, 

 silvery below; dorsal, caudal and anal lobes blackish; no cross- 

 bars. 



This species grows to a much larger size than any other of the 

 genus found in our waters ; specimens of 2 to 3 feet in length 

 being not uncommon in Florida and Cuba. It has been identified 

 with the Trachynotus goreenais of Cuvier & Valenciennes, by 

 most American autliors, this being a species from the West Coast 

 of Africa. The basis of this identification appears to be insuf- 

 ficient. According to Cuvier & Valenciennes this Trachynotus 



