CHAP. XX.] 
FISHES. 
447 
Family 64. — STOMIATIDiE. (4 Genera, 8 Species.) 
“ SmaH marine fishes, naked or with very fine scales.” 
Distribution. — The Mediterranean and Atlantic. 
These are deep-sea fishes, ranging from Greenland to beyond 
the Equator. 
Family 66. — SALMONIDHE. (15 Genera, 157 Species.) 
“Fresh-water fishes, many species periodically descending 
to the sea and a few altogether marine : — Salmon and Trout.” 
Distribution. — The Paleearctic and Nearctic Kegions, and one 
genus and species in New Zealand. A considerable number of 
species are confined to single lakes or rivers, others have a wide 
distribution. 
The genera are distributed as follows : — 
Salmo (88 sp.), rivers and lakes of the Paleearctic and 
Nearctic Eegions, as far south as Algeria, Asia Minor, the Hindoo- 
Koosh and Kamsehatka, and to about 38° North Latitude in 
North America, many of the species migratory ; Onchorhynchus 
(8 sp.), American and Asiatic rivers entering the Pacific, as far 
south as San Francisco and the Amur ; JBmchymystax (1 sp.), 
Siberian rivers, from Lake Baikal and the Atlai Mountains 
northwards; Ludotrutta (2 sp.), Caspian Sea and Volga; 
Plecoglossus (1 sp.), Japan and Formosa; Osmerus (3 sp.), rivers 
of temperate Europe and North America entering the Atlantic, 
and one species in California ; Thaleichthys (1 sp.), Columbia 
Biver, Vancouver’s Island; Hypomesus (1 sp.), coasts of Cali- 
fornia, Vancouver’s Island, and North-eastern Asia; Mallotus 
(1 sp.), coasts of Arctic America from Greenland to Karns- 
chatka; Betropinna (1 sp.), fresh waters of New Zealand; 
Goregonus (41 sp.), fresh waters of northern parts of temperate 
Europe, Asia and North America, many of the species migra- 
tory : Thymallus (6 sp.), fresh waters of temperate parts of 
