NO. 13S1. SCORPJENOID FISHES OF JAPAN— JORDAN AND STARKS. 93 



jyp. Dorgal ?pines 11; interorbital space concave; 

 gill-rakers slender, rather long; dorsal very 



deeply notched Li/tJiric}i(hi/x, 11. 



dd. Pfrrolmr. Dorsal sjiines 12 or 13 in number, greatly produced, venom- 

 ous; pectoral fins more or less elongate; top of head with spinous 

 crests; three anal spines; no palatine teeth. . 



q. Pectoral greatly elongate, all the rays simple, 

 largely free at tips, and extending to or beyond 

 the caudal; no bony crests at the nape. 



Pterols, 12. 

 qq. Pectoral moderately produced, the rays united 

 by membrane nearly to the tips, 

 r. Each side of occiput with an elevated bony 



crest Ebosia, 13. 



cc. Apistin.e. Pectoral An elongate, its lowermost ray detached; chin with bar- 

 bels; dorsal with 15 spines; anal spines, 3; ventral rays I, 5 .. Apistus, 14. 

 hb. Body scaleless, sometimes with dermal flaps. 



.s. M1N01N.E. Dorsal spines, 10 or 11; the fin 

 undivided; pectoral moderate, with the 

 lower ray free; ventral rays I, 5; anal 

 with 2 slender spines; top of head with 

 spinous crests. 

 t. Dorsal spines stiff and sharp. . Minons, 15. 

 tt. Dorsal spines slender and flexible. 



Decterias, 16. 

 S6'. Dorsal spines 15 to 18 in number; head 

 irregularly formed, with deep pits or 

 depressions above. 



u. Synancein^. Pectoral without free 

 rays; body robust, 

 r. Skin smooth; no pit on the cheek 



ventrals I, 4 Erosa, 17. 



wi. Pelorin,e. Pectoral with the two 

 lower rays almost free; first 3 spines 

 of dorsal separated; head depressed, 

 fantastically formed. 

 w. Pectoral fin without produced fila- 

 ments above Jnimicu^^, 18. 



an. ApLOACTiNiE. Dorsal fin beginning farther forward, the first spines 

 inserted above the eye; the spines provided with venom glands; 

 pectoral fin without free ra}'s; scales small or wanting. 



X. Ventral rays I, 5; preorbital with 



a strong spine; skin smooth. 



y. Mouth small; palatine teeth 



present; dorsal fin with 1(5 



spines Ocosin, 19. 



yi/. Mouth large; palatine teeth 



obsolete; dorsal fin with 



spines; no slit behind last 



gill; chin without barl)els. 



Siiyderiuo, 20. 



.r.r. Ventral rays I, 2, to I, 4. 



z. Preorbital with a strong 

 spine. 



