‘ 
88 FISH HARVESTING. 
much fuelis needed, and that of a sort that wiil 
not keep up a large fire. Man, therefore, wears 
clothes made from a vegetable fibre, and eats 
fruit and rice, the lowest in the scale of heat- 
making materials. Far north among the polar 
ice, where you cannot touch metal without its 
taking the skin off your fingers, the human 
locomotive is protected by thick coverings of 
fur: the native takes the jackets from his furry- 
footed companions, and covers his own skin with 
them. But the grand oil-springs—the locomo- 
tive’s necessary coal-mines in another form—are 
in the bodies of the great seals and whales. Oil 
and blubber burn rapidly, and give out a large 
amount of heat. With a fur-suit outside, and 
inside a feed of seal’s flesh washed down with 
seal’s oil, the steam of life is kept up very easily. ° 
But all the fat of the sea is not in the bodies of 
those great blubbering whales and seals. There 
is a fish, small in size, not larger than a smelt, 
that is fat beyond all description, clad in glit- 
tering silver armour, and found on the coasts 
of British Columbia, Russian America, Queen 
Charlotte and Vancouver Islands, which is called 
by the natives Hulachon or Candle-fish. I have 
had both leisure and opportunity to make this 
fish’s intimate acquaintance; played the spy 
