494 PROCEEDINGS OF THE ACADEMY OF [July? 



49. Zenarchopterus amblyurus (Bleeker). 

 One example. 



Subgenus ZENARCHOPTERUS Gill. 



Upper jaw about equal in length and in ^^i(ltll. 



50. Zenarchopterus buffonis (Valenciennes). 



Head, with beak, 2 j^ ; from tip of upper jaw 4; depth 6^; D. i, 12; 

 A. II, 8; about 37 scales in a lateral series to base of caudal; width of 

 upper jaw about ecpial to its length. Length 6 inches. 



EXOCCETID^. 



51. FarexocoetllS mento (Valenciennes). 



Head 3f ; depth 4f ; D. i, 10; A. i, 10; scales 35 in a lateral series to 

 base of caudal; snout 3i in head, from tip of upper jaw; eye 2f ; inter- 

 orbital space 3. Length 5 inches. 



A single example. It agrees with Bleeker's figure,'" except that 

 there is a brown band from along base of upper caudal lobe down across 

 middle of lower lobe toward its distal portion Avhich is also more or 

 less brownish. The ventrals are almost all whitish, without tlie large 

 dark blotch Bleeker shows, though the anal is dusk}^ basally. The 

 black on the pectoral and ventral is also more deep than Bleeker 

 indicates. 



MUGILID^. 



52. Mugil belanak Bleeker. 



Head 3-1; depth 3f ; D. IV-I, 8; A. Ill, 9; P. ii, 14; V. I, 5; scales 

 35 in a lateral series to base of caudal; about 10 scales in an oblique 

 series from origin of S]';inous dorsal to middle of belly; 20? (pockets) 

 scales before spinous dorsal; width of head li in its length; depth of 

 head If; snout 3|; eye 4; maxillary 4; interorbital space 2^; width 

 of mouth 3 ; mandible 4 ; first dorsal spine H ; first dorsal ray l-J- ; third 

 anal spine 3.j; first anal ray 1| ; least deptli of caudal peduncle 2; pec- 

 toral 1^; ventral U-. 



Body rather fusiform, well compressed, and greatest depth about 

 middle of depressed spinous dorsal. Profiles rather evenly convex to 

 greatest depth, and similar. Caudal peduncle compressed, and about 

 as long as broad. 



Head robust, a little constricted below, anrl profiles similarly convex. 

 Snout broad, a little convex above, and upper jaw a little produced. 

 Eye circular, its posterior margin a little anterior in middle of length of 



^K'itlas Ichth., VI, 1S69, PI. (.5) — , fig. 6. 



