332 

 Key to the indo-australian Anabantidae. 



I. Dorsal beginning above base of pectorals, longer than 

 anal. Scales regularly arranged (Dolichopteri Canestrini). 



A. Fixed conical teeth on vomer, palatines and jaws. 

 Lateral line complete but interrupted. Ventrals 

 with one spine and 5 soft rays, the first of which 



is bifid Anabas p. 333. 



B. No teeth on palate. 



1. Ventrals with a spine and 5 soft rays, the first 

 of which is bifid. Lateral line complete but 

 interrupted. 



a. Jaws with fixed conical teeth. Caudal rounded. Poly acanthus p. 337. 



b. Moveable teeth on thickened lips; none in 



jaws. Caudal emarginate Helostoma p. 339. 



2. Each ventral reduced to a single long filamentous 

 ray. Lateral line vestigial or absent. Caudal 



rounded Trichogaster p. 340. 



II. Dorsal beginning behind base of pectorals and shorter 

 than anal. Jaws with fixed conical teeth. Palate tooth- 

 less. First soft ray of ventrals produced into a single 

 filament (Brachypteri Canestrini). 



A. Ventrals with a spine and 5 soft rays. Scales 

 regularly arranged. 



1. L.I. complete and continuous Osphronemus p. 342. 



2. L.I. vestigial or absent. 



a. Caudal forked. Anal XVI XX 915. Dorsal 



and anal scaly at the base Macropodus p. 344. 



b. Caudal rounded or pointed. Anal with XIII 

 or less spines. 



ct. Dorsal XIII 7, originating somewhat be- 

 hind branchial opening. Dorsal and anal 

 scaleless. Praeorbital entire Parosphromenus p. 347. 



/3. Dorsal VIII XII 7 10, its origin behind 

 that of anal over spinous part of it. Anal 

 scaly at the base. Praeorbital serrated. . Sphaerichthys p. 348. 



y. Dorsal II VI 6 8, its origin over soft 

 part of anal. Anal scaly at the base with 

 IV VIII spines. Praeorbital serrated . . Ctenops p. 350. 



$. Dorsal (I) 7 10, its origin over soft 

 part of anal. Anal scaly at the base, with 

 or without I IV spines. Praeorbital entire. Bella p. 352. 



B. Each ventral with a vestigial spine, adnate to a 



