180 CLASSIFICATIOX OF FISHES^ ETC. 



* * No digitated processes. 

 Oplichthts. Body very slender, mailed, spinous ; head broad. 

 Rhyxchichtts. Body ovate; upper jaw produced and pointed. 



Family 3. SCORPiENIDJE. 



Scales smooth ; pectoral fins very broad at the base, and 

 extended towards the throat. 



1 . Sub-family ScoRP-a;sriN^. — Body scaly ; head com- 



pressed, spinous ; mouth horizontal. 



Pterois. Pectoral fins very large and long, the rays generally 

 simple and digitated. 



* Pectoral rays cleft. ' 



MacrocMriis. Pectorals as long as the body ; mouth sub-vertical. 

 Pterois. Pectorals one third the length of the body; mouth sub- 

 vertical. 



* * Pectoral rays undivided. 



Pteroleptus. Caudal fin very large and lanceolate. 

 Pteropterus. Dorsal fin very low ; pectorals as in Macrochirus. 

 Dendrochirus. Pectorals short, undivided, the rays branched. 



Apistes. Pectorals long, all the rays branched ; palate toothed. 



Pterichthys. Pectorals very long, with a detached ray ; lower jaw 



bearded. 

 Apistes. Pectorals moderate, with a detached ray ; front spined. 

 Plaiypterus. Head obtuse, truncate ; dorsal very broad, entire. 

 Trichosomus. Dorsal fins two, the first triangular. 

 Gymnapistes. Body often naked ; anal with three strong spiny rays. 



ScoRP^NA. Head with spines, compressed ; pectoral rays 

 partly simple. 



Seeastes. Head and body covered with scales ; no filaments ; 

 mouth sub-vertical. 



Tjexioxotus. Dorsal fin very broad ; head and front truncate ; 

 mouth large. 



2. Sub-family Synanchin^. — Body without scales ; mouth 



and eyes vertical. 



Agriopus. Dorsal fin very broad, entire ; head high ; muzzle 

 and moutli small. 



Pelor. Pectorals very long, with two detached rays. 



Synaxchia. Shape hideous, deformed ; all the pectorals 

 branched. 

 Synanchia. Eyes very small, anal fin short ; mouth vertical. 



