[24] From the noise made by their wings they are in some localities called Whistlers.
[25] Catesby says: "These birds frequent near the sea-coasts of Carolina. They fly close to the surface of the water, from which they seem to receive somewhat of food."
[26] Ivory Gull of Yarrell.
[27] The Masked Gull of Yarrell.
[28] Black-headed Gull of Yarrell.
[29] From the Portuguese word Alcatraz, applied by the early navigators of that nation to Cormorants and large sea-birds.—Ed.
[30] The weight of this bird much varies. A specimen in the Leverian Museum measured thirteen feet from the tip of one wing to the tip of the other. One shot off the Cape of Good Hope was said to be seventeen and a half feet.—Ed.
[31] Captain Cook mentions a variety frequently captured by the inhabitants of Kamtschatka and the Kurile Islands.
[32] In China a great number of species are to be found, all robed in the most brilliant plumage, nine of which we have collected.—Ed.
Transcriber's Note: