FISHES. 
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beautifully variegated with the brightest hues of 
blue, green, and a silvery whiteness. Death in some 
measure impairs these colours, but by no means ob 
literates them. 
41. Several varieties of this fish inhabit the ocean : 
they belong to the voracious class, and some of them 
grow to a great size. It is said that they are fond 
of human flesh, and Pontoppidan tells a story of a 
man whom they fastened upon and destroyed while 
he was bathing. 
42. This fish emits a phosphoric light when fresh 
from the sea. Mackerel are generally taken with 
hooks, and there are extensive fisheries for them on 
the coast of the United States. Mackerel constitute 
an article of commerce, and great quantities of them 
are consumed in this country. 
THE SALMON. 
43. The Salmon is distinguished from other fish 
by having tv o fins on the back. It has teeth both 
in the jaws and tongue, and the body is covered with 
round and minutely striated scales. The colour of 
the back and sides is gray, sometimes spotted with 
black. 
44. The Salmon lives in fresh as well as in salt 
What is said of the Mackerel as an article of food ? 
Describe the Salmon, 
17 
