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450 GEOGRAPHICAL ZOOLOGY. [part iv.
but a fe.w species of Belone and Hemiramphus are found in rivers
in various parts of the world.
Family 73.—CYPEINODONTID^. (20 Genera, 106 Species.)
" Fresh-water fishes, covered with scales, the sexes frequently
differing, mostly viviparous."
Distribution.—Southern Europe, Asia, Africa and North
America, but most abundant in Tropical America.
The distribution of the genera is as follows :—
Cyprinodon (11 sp.), Italy, North Africa and Western Asia to
Persia, also North America from Texas to New York ; Fitzroya
(1 sp.), Montevideo ; Characodon (1 sp.). Central America ; Tellia
(1 sp.), Alpine pools of the Atlas: Limnurgus (1 sp.), Mexican
plateau; Lucania (1 sp.), Texas; Haplochilus (18 sp.), India,
Java, Japan, Tropical Africa, Madagascar, and the Seychelle
Islands, Carolina to Brazil, Jamaica ; Fundulus (17 sp.), North
and Central America and Ecuador, Spain and East Africa ;
Bimdus (3 sp.), Tropical America, Cuba and Trinidad ; Orestias
(6 sp.), Lake Titacaca, Andes ; Jenynsia (1 sp.), Eio Plata ; Fseu-
doxiphophorus (2 sp.). Central America ; Belonesox (1 sp.), Cen-
tral America; Gambusia (8 sp.), Antilles, Central America
and Texas ; Anableps (3 sp.), Central and Equatorial America ;
Fcecilia (16 sp.), Antilles, Central and South America; Mol-
lienesia (4 sp.), Louisiana to Mexico; Platypcecihis (1 sp.),
Mexico; Girardinus (10 sp.), Antilles and South Carolina to
Uruguay; Lepistes (1 sp.), Barbadoes.
Family 74—HETEEOPYGII. (2 Genera, 2 Species.)
" Fresh-water fishes, with posterior dorsal fin, and very small
scales."
Distribution.—Fresh waters of the United States.
AmUyopds (1 sp.) is a blind fish found in the caverns of Ken-
tucky ; while Chologastes (1 sp.), which only differs from it in
having perfect eyes, is found in ditches in South Carolina.