. The Auk . latter part of November. In theCarolinas on Nov. 23 at 8 p. m. the wind was northeast and fromeight to ten miles an hour, while farther inland it was due northand only six miles an hour, and throughout the whole regionit was somewhat cloudy. Mr. W. W. Cooke * and othershave proved that slight cloudiness will not keep birds from. starting on their southern journey, and on this evening therewas a light and favorable wind to help them south withoutbeing so strong as to make it hard for them to direct theircourse as they wished. During the night of the 23rd it grew morecloudy, but the
. The Auk . latter part of November. In theCarolinas on Nov. 23 at 8 p. m. the wind was northeast and fromeight to ten miles an hour, while farther inland it was due northand only six miles an hour, and throughout the whole regionit was somewhat cloudy. Mr. W. W. Cooke * and othershave proved that slight cloudiness will not keep birds from. starting on their southern journey, and on this evening therewas a light and favorable wind to help them south withoutbeing so strong as to make it hard for them to direct theircourse as they wished. During the night of the 23rd it grew morecloudy, but the birds, though unable to see their landmarks, yetthinking their course the right one would have kept on their the mean time the wind had gradually shifted more to the west,until at eight A. M. it was due north or northwest, and therefore *Report of Bird Migration in the Mississippi Valley in the years 1884 and W. Cooke, Washington, 1888. ChadboIRNE fi» a Flight of h///(/rrr Plovrr. 261. Pased on the tri-paily weather maps of the U. S. Signal Service. 262 Chadbourne on a Flight of Killdeer Plover. [July off-shore, and blowing at the rate of forty miles an hour. Afterthe earth had been hidden by clouds the greater velocity ofthe wind would not have been noticed, for the bii^ds wouldhave been carried onward as fast as the clouds below or aroundthem, and it is well known that a balloon may move at a tremen-dous speed without the occupants knowing it if the earth is hiddenfrom view. This must have brought the birds that started fromnear the coast over the ocean long before morning, and as theydescended through the clouds expecting to feed and rest theywould have found themselves over the water and carried along bya violent wind ; they would then have flown but little above thesea so as not to pass over any land without knowing it. At Charleston, South Carolina, on November 24, at S a. m., thewind was blowing forty miles an hour and was off-shore, and thestorm c
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