MUGIL. 



81 



which extends in front of and behind the orbit, 3 (young) to 5 times 

 in length of head, 14; to 2 \ times in interorbital width ; nostrils rather 

 widely separated from each other ; mouth forming an obtuse angle, 

 a semicircle in large specimens ; maxillary almost completely hidden 

 when the mouth is closed ; a lanceolate space between the rami of the 

 lower jaw; upper lip narrow, its width less than half diameter of eye; 

 praeorbital with the edge finely serrated ; 2 series of scales on the cheek. 

 Dorsals IV (exceptionally III), II 7 ; first two spines f to a little more 

 than \ length of head, longest soft ray \ to f length of head ; second 

 dorsal originating above anterior third or middle of anal. Anal III 8 

 (very rarely 7 or 9). Pectoral § to f length of head; a large scaly 

 process above the axil. Caudal forked, as long as or a little longer 

 than head. Caudal peduncle \\ to If times as long as deep. 39-4-3 



Fk 



Miujil cepjialus. 

 Sauiamiud (F. N.). J. 



scales in longitudinal series, 14-16 in transverse series. Bluish grey 

 or greyish olive above, with darker streaks along the series of scales, 

 silvery white beneath ; fins greyish ; a more or less distinct dark spot 

 at the root of the pectoral fin ; young uniform silvery. 



Total length 560 millim. 



From the Loire and the Mediterranean to South Africa and from 

 the United States to Brazil ; Pacific coast of South America. 



L. Loat, Esq. (C). 



1-8. Ad. & y 



"g- 



L. Menzaleh. 



9-16, 17-20. 



Yg. 



Near Ghet-el-Nassara, 

 L. Menzaleh. 



21-23. Hgr. 





Fresh-water pool, near Ghefc 

 el-Nassara, L. Menzaleh. 



24. Ad. 





Near Gemil, L. Menzaleh. 



VOL. IV. 







