Chap, xx.] 
PISHES. 
455 
Family 82. — NOTOPTERIDiE. (1 Genus, 5 Species.) 
“ Fresh-water fishes, without barbels, head and body scaly, 
long tapering tail, and short posterior dorsal fin.” 
Distribution. — Pavers of India, Siam, the Sunda Islands, and 
West Africa. 
Family 83.— HALOSAURID.E. (1 Genus, 1 Species.) 
“ Marine fishes, with cycloid scales, a short median dorsal fin, 
and no barbels.” 
Distribution. — Deep waters of the Atlantic, Madeira. 
Family 84.— GYMETOTID^E. (5 Genera, 20 Species.) 
“ Fresh-water fishes, with elongate bodies, pointed tail, and no 
dorsal fin.” 
Distribution. — Tropical America from Trinidad to the River 
Parana. 
The genera are distributed as follows : — * 
Sternarchus (8 sp.), Guiana and Brazil ; ffliamphichthys 
(6 sp.), Guiana and Brazil ; Sternophygus (4 sp.), Tropical 
America ; Campus (1 sp.), Trinidad to Brazil ; Gymnotus , (1 sp. 
— the Electric eel), Tropical South America. 
Family 85. — SYMBRANCHIDBS. (4 Genera, 6 Species.) 
“ Marine and fresh-water fishes, having elongate bodies without 
fins, and very minute scales or none.” 
Distribution. — Fresh waters and coasts of Western Australia 
and Tasmania. 
The genera are 
Amphipnous (I sp.), Bengal; Monopterus (i sp.), Siam to 
“Northern China and Sunda Islands ; Symbmnchus (3 sp.), Tropical 
