Distribution.—Seas of the whole globe, many species entering rivers. They are most abundant in the Indian seas, less so in America, scarce in Africa, while they are almost absent from Australia. The Herring, Sprat, Shad, and Pilchard, are British species of Clupea, a genus which contains 61 species and ranges all over the world.
Family 80.—CHIROCENTRIDÆ. (1 Genus, 1 Species.)
"A marine fish, with thin deciduous scales, no barbels, and posterior dorsal fin."
Distribution.—The Eastern seas from Africa to China.
Family 81.—ALEPOCEPHALIDÆ. (1 Genus, 1 Species.)
"A marine fish, covered with thin cycloid scales, no barbels, and posterior dorsal fin."
Distribution.—Deep waters of the Mediterranean.
Family 82.—NOTOPTERIDÆ. (1 Genus, 5 Species.)
"Fresh-water fishes, without barbels, head and body scaly, long tapering tail, and short posterior dorsal fin."
Distribution.—Rivers of India, Siam, the Sunda Islands, and West Africa.