6 



PROCEEDINGS OF THE ACADEMY OP 



[Jan.^ 



little developed, posterior extends over last fifth of eye and anterior 

 very narrow. Mouth little inferior, and corner falls opposite front 

 nostril. Mandibular angle very broad, obtuse, symphysis forming 

 little knob which fits in depression above. Teeth very minute, 

 uniserial in upper jaw, apparently absent in lower. Lips rather 

 fleshy, width of upper about y of pupil. Inner buccal folds mod- 

 erately broad, upper little broader. Tongue small, tip free, elongate. 

 Maxillary exposed, about to eye. Lower preorbital edge slightly 

 curved, with few very minute obsolete denticles. Front nostril about 

 last f in snout, simple pore with slight cutaneous rim. Hind nostril 

 short vertical slit, little nearer front nostril than eye. Interorbital 

 broadly convex. 



Fig. 2. — Mugil ogilbyi sp. nov. 



Gill-opening forward about opposite front pupil edge. Rakers 

 about 35-F52, slender, fine, 2 J in filaments and latter 1| in eye. 

 Pseudobranchiae about 1| in gill-filaments. Isthmus narrow, 

 constricted, with median groove. 



Scales large, in even lengthwise series. Head scaly, scales smaller 

 below, and extend well forward on snout, though not to its edge. 

 Scaly pointed flap along spinous dorsal base half depressed fin 

 length. Scaly flap in pectoral axil | of fin. Axillary ventral scaly flap 

 2| in fin. Broad scaly flap between ventral bases 2 in fin. Soft 

 dorsal and anal scaly over basal halves. Caudal largely scaly, 

 fewer scales about pectoral basally. Ventral with many small scales. 

 Four scales between dorsal spine tips and soft dorsal origin. 



