Jordan and Evennann. — Fishes of North America. 945 



1348, TIUCHINOTUS PALOMA, Jordan & Starks. 



Head 3^ to 3,\ ; depth 2^. D. VI-I, 24; A. II, I, 23; eye 3;^ in bead; 

 snout 2f; niaxillary 1\. Dorsal lobe Ij in bead; caudal IfV.. Body 

 rather eloagate, the back moderately and regularly arched ; snout blunt- 

 ish ; the profile straight from before eye to dorsal. Mouth large, hori- 

 zontal, the jaws subequal, maxillary reaching past pupil. Lateral line 

 little arched, its curve \\ in straight part. Teeth well developed. Cau- 

 dal not widely forked. Gill rakers shortish, about 8 below angle; dorsal 

 and anal lobes about reaching middle of fin. Silveiy, without spot or 

 band; anal creamy orange, its tip whitish. Other fins pale, except 

 dorsal lobe, which is blackish ; pectoral a little dark, axil silvery. West 

 coast of Mexico ; rather scarce, found on sandy shores. Length about a 

 foot. Recorded from Cape San Lucas, Mazatlan, and San Juan Lagoon. 

 It is extremely close to Trachinotua ca7-oUnus, but has the head rather 

 larger. As a food-fish it is unknown to Mexican fishermen, who do not 

 distinguish it from other species. Here described from 2 specimens 

 from Mazatlan, and from 4 from San Juan Lagoon, the largest 5 inches 

 long, {paloma, a dove, a name applied to fishes of this group.) 



Trachinotiis 2>idovui, Jordan & Starks, Kept. Fishes SiiiiUoa, MS., 1895, Mazatlan. (Type, No 

 213, L. S. Jr. Univ. Mus.. Coll. Hopkins Expedition to Mazatlan.) 



1344. TIUCHINOTUS CAYENNENSIS,* Cuvier & Valenciennes. 



Depth (in young of 2^ inches) 2 in length. D, V-I, 27; A. II-I, 26, 

 Form of Tracltinotus falcatits, the body very deep, the snout short and 

 very blunt ; eye very large ; preopercle (in type) with very strong spines. 

 Dorsal lobe 2 in head, in young. Fins all pale. Coloration plain. Cay- 

 enne ; known from one very young specimen in the museum at Paris, in 

 bad condition, examined by us. Close to Trachinotiis falcatus, but with 

 more numerous fin rays. 



Trachinotiis cayeiinensis, Cuvier & Valenciennes, Hist. Nat. Poiss., vni, 417, 1831, Cayenne; 

 GiJNTHER, Cat., II, 485, 1860 (copied); Meek & Goss, I. c, 1884, 129. 



Family CXXVI. POMATOMID^. 



(The Bluefishes.) 



Body oblong, compressed, covered with rather small scales, which are 

 weakly ctenoid. Caudal jieduncle rather stout. Head large, compressed. 

 Mouth large, oblique. Premaxillaries protractile; maxillary not slip- 

 ping under the preorbital, provided with a large supplemental bone; 

 lower Jaw projecting ; bands of villiform teeth on vomer and palatines, 

 those on the vomer forming a triangular patch; jaws each with a single 

 series of very strong, compressed, unequal teeth, widely set; upper jaw 

 with an inner series of snuiU depressed teeth; villiform teeth on the base 

 of the tongue. Occipital keel strong; free edge of preopercle produced 



♦Similar to this species is Trachinolm pailensis from Payta, Peru, also known from a very young 

 example. Depth 2^ in length. D. 28; A. 27. Dorsal lobe black, snout low, bluntish. 



F. N. A. 61 



