202 CLASS XIV. 



b) Palatine teeth none. Gape of mouth small. 



Osphromenus COMMERS. (with addit. of Macropodus LAC. and 

 Trichopus ejusd.). Body compressed. Lateral line continuous, 

 sometimes indistinct.. First soft ray of ventral fins undivided, 

 produced into a long filament. 



Osphromenus COMMERS., Guv. (and Trichopus LAC., Guv.). Caudal 

 fin moderate, rounded, or sublunate, with lobes obtuse. 



Sp. Osphromenus olfax COMMEKS., LAO., Poiss. in. PL 3, figs. 2, 3, Cuv. et 

 VAL. Poiss. vn. PI. 198, Cuv. R. Ani., ed. ill., Poiss. PL 73, fig. i ; the 

 gourami; one of the best flavoured fresh- water fishes, which may attain a 

 length of 20", from the East Indies, at the Sunda Islands, now also trans- 

 ferred to Cayenne. The younger individuals have brown bands and a black 

 spot (Osphromenus notatus KUHL and V. H.). 



Trichopus trichopterus LAC., Labrus trichopterus PALL., GMEL., Cuv. et 

 VAL. Poiss. vii. PL 199, Java, Sumatra, Borneo; only 4" long; the dorsal 

 fin is short, and terminates much in front of the caudal fin. According to 

 BLEEKER this fish is subject to great variations in colour and in the number 

 of the fin-rays. 



Macropodus LAC. Caudal fin large, forked ; soft rays of dorsal 

 and anal fins, as also the rays of caudal fin, elongated into fila- 

 ments. 



Sp. Macropodus viridi-auratus LAC., Cuv. R. Ani., ed. ill., Poiss. PL 74, 

 fig. 2 ; China, Cochin-China. 



Tilapia SMITH. Head naked. 



Sp. Tilapia Sparmanni SMITH ; South Africa. 



Betta BLEEKER. 



Sp. Betta trifasciata BLEEKER, Verh. van het Batav. Genootschap. xxm. 1850. 



Polyacanthus KUHL and V. HASS. Body compressed. Mouth 

 ascending obliquely, small. Lateral line interrupted. Dorsal and 

 anal fins very long, with several pungent rays. 



Colisa Cuv. Yentral fins with single soft ray, produced into a 

 very long filament, after a very short spine, scarcely distinguishable. 

 Rays of branchiostegous membrane five? 



Sp. Polyacanthus colisa, Colisa vulgaris Cuv. et VAL. Poiss. vn. PL 196, 

 GUERIN Iconogr., Poiss. PL 36, fig. 2, &c. Different species from the 

 continent of India, from the Ganges, &c. 



Polyacanthus KUHL and V. HASS., Cuv. Ventral fins with six 

 rays. Branchiostegous membrane with six rays. 



Sp. Polyacanthus Hasselti Cuv. et VAL. Poiss. vn. PL 195, Cuv. R. Ani., ed. 

 ill., Poiss. PL 72, fig. i ; 6" long, on the Island of Java. 



