Summary

Portrait of John Cassin John Cassin Illustrations of the Birds of California…

So long as the condition of, or progress in the arts and sciences shall continue to characterize nations, the influence in the United States of the gentlemen to whom we have alluded, must be regarded as important in the highest degree, and their services will be gratefully remembered by their countrymen so long as the sciences are cultivated or appreciated. They have reared in their native city a monument to Natural Science as endurable as its influence in the minds of men, and more honorable to themselves than the proudest obelisk or the richest memento of the conqueror’s triumph.
Source: Gutenberg

Portrait of John Cassin John Cassin Illustrations of the Birds of California…

Whether in the tangled forest, the deep recesses of the swamp, on the sea-coast or in the clear woodlands, on the mountain or in the prairie, it advises him of whatever birds may be there, or affords him a higher gratification, announcing the presence of a bird that he does not know. We recognise no more exquisite pleasure than to hear a note that we are not acquainted with in the woods.
Source: Gutenberg

Portrait of John Cassin John Cassin Illustrations of the Birds of California…

One cannot readily find a reason why a bird that has passed the winter in a tropical or southern latitude, should leave for the North at the coming of spring, when a more plentiful supply of food than has sufficed for its winter support is about to be presented. And then, too, why should birds proceed so far to the North?—to the very confines of the Arctic circle, as many small species do, when the great forests of the middle and northern States offer ample accommodation, and supplies of food certainly equal to those in which they will at last terminate their journey.
Source: Gutenberg

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