Family 34.—POLYCENTRIDÆ. (2 Genera, 3 Species.)
"Fresh-water carnivorous fishes, with compressed elevated scaly bodies, and many-spined dorsal and anal fins."
Distribution.—Rivers of Tropical America.
Family 35.—LABYRINTHICI. (9 Genera, 25 Species.)
"Fresh-water fishes, with compressed oblong bodies, and capable of living for some time out of water or in dried mud."
Distribution.—Fresh waters of South Africa and the East Indies from the Mauritius to China, the Philippines, Celebes, and Amboyna.
Family 36.—LUCIOCEPHALIDÆ. (1 Genus, 1 Species.)
"Fresh-water fish, with elongate scaled body, and a dilated branchial membrane."
Distribution.—Rivers of Borneo, Biliton, and Banca.
Family 37.—ATHERINIDÆ. (3 Genera, 39 Species.)