pear to us, but that they arose in the
same manner from experience and tradition, as the arts of our own species;
though their reasoning is from fewer ideas, is busied about fewer objects,
and is exerted with less energy.
There are some kinds of insects that migrate like the birds before
mentioned. The locust of warmer climates has sometimes come over to
England; it is shaped like a grasshopper, with very large wings, and a body
above an inch in length. It is mentioned as coming into Egypt with an east
wind, "The lord brought an east wind upon the land all that day and night,
and in the morning the east wind brought the locusts, and covered the face
of the earth, so that the land was dark," Exod. x. 13. The migrations of
these insects are mentioned in another part of the scripture, "The locusts
have no king, yet go they forth all of them in bands," Prov. xxx. 27.
The accurate Mr. Adanson, near the river Gambia in Africa, was witness to
the migration of these insects. "About eight in the morning, in the month
of February, there suddenly arose over our heads a thick cloud, which
darkened the air, and deprived us of the rays of the sun. We found it was a
cloud of locusts raised about twenty or thirty fathoms from the ground, and
covering an extent of several leagues; at length a shower of these insects
descended, and after devouring every green herb, while they rested, again
resumed their flight. This cloud was brought by a strong east-wind, and was
all the morning in passing over the adjacent country." (Voyage to Senegal,
158.)
In this country the gnats are sometimes seen to migrate in clouds, like the
musketoes of warmer climates, and our swarms of bees frequently travel many
miles, and are said in North America always to fly towards the south. The
prophet Isaiah has a beautiful allusion to these migrations, "The Lord
shall call the fly from the rivers of Egypt, and shall hiss for the bee
that is in the land of Assyria," Isa. vii. 18. which has been lately
explained by Mr. Bruce, in his travels to discover the source of the Nile.
2. I am well informed that the bees that were carried into Barbadoes, and
other western islands, ceased to lay up any honey after the first year, as
they found it not useful to them: and are now become very troublesome to
the inhabitants of those islands by infesting their sugar houses; but those
in Jamaica continue to make honey, as the cold north winds, or rainy
seasons of that island, c
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