MULLID^. SPIROBRANCHIDiE. 235 



Upeneus Cuv. Head more lengthened, as in the 

 generality of fishes ; operculum furnished with a 

 small spine ; the teeth in the jaws conspicuous, 

 luteus. GrifF. Cuv. pi. 11. 4. Flamingii. Cuv. pi. 71. 



Family 5. SPIROBRANCHID^. 



Vent close to the pectoral fin ; ventral fin generally 

 extremely long, narrow, and ending in a filament; 

 upper pharyngeals of the hranchia divided into numerous 

 laminse, or plates ; dorsal fin single, not much longer 

 than the anal, both furnished with numerous spiny rays. 



Macropodus Cuv. Caudal fin excessively large, and 

 deeply lunated or forked ; body ovate, fusiform ; 

 dorsal and anal fin with numerous spiny rays ; the 

 terminal soft rays gradually lengthened, and ending 

 in filaments ; ventral fins with all the rays developed, 

 the second ending in a filament ; anal longer than 

 the dorsal. 



M. venustus. Cuv. pi. 197. 



CoLisA. Caudal fin either very slightly emarginate, or 

 entirely round; one of the ventral rays forming a 

 long filament ; the others minute, or entirely obsolete. 



Trichopus Cuv. Dorsal fin very short, placed in the 

 middle of the back ; anal very long, commencing near 

 to the base of the pectoral, and terminating close to 

 the caudal, which is slightly emarginate ; the bases of 

 all these fins are covered with minute scales ; pectorals 

 rounded ; ventral fins minute ; but the first soft ray 

 tefminating in a long filament. 



T. maculatus Sw. Cuv. pL 199. 



Colisa Cuv. Caudal fin nearly round ; dorsal and anal fins 

 very long, and of equal length ; the base of all three 

 covered with scales ; ventral of a single filiform ray, 

 reaching to the end of the tail ; pectoral rounded. 

 C. vulgaris. Cuv. pi. 1 96. 



Osphromenus Cuv. (^ fig, 65.) Caudal fin rounded; 



