. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. E F G H FIGURE 3. Series of silhouettes, traced from enlargements of original photographic records, to show changes in envelope of wing movement of a specimen of D. virilis during successive flights at different air pressures. Left lateral view. a. 3863 mm. Hg; b. 3087 mm. Hg; c. 2311 mm. Hg; d. 1520 mm. Hg; e. 760 mm. Hg; f. 380 mm. Hg; g. 190 mm. Hg; h. 95 mm. Hg. TABLE I D. virilis: vertical amplitude of wingbeat as a function of air pressure and density Pressure in mm. Hg Density in gm. per L. 3863 3087 2311 3.
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. E F G H FIGURE 3. Series of silhouettes, traced from enlargements of original photographic records, to show changes in envelope of wing movement of a specimen of D. virilis during successive flights at different air pressures. Left lateral view. a. 3863 mm. Hg; b. 3087 mm. Hg; c. 2311 mm. Hg; d. 1520 mm. Hg; e. 760 mm. Hg; f. 380 mm. Hg; g. 190 mm. Hg; h. 95 mm. Hg. TABLE I D. virilis: vertical amplitude of wingbeat as a function of air pressure and density Pressure in mm. Hg Density in gm. per L. 3863 3087 2311 1520 760 380 190 95 Specimen Number Stroke Amplitude in Degrees of Arc 516-3 102 103 112 112 127 129 137 517-1 100 103 109 98 117 138 138 138 517-2 100 92 96 103 111 127 149 143 517-3 80 99 105 90 111 106 121 138 518-2 104 113 105 102 118 127 124 121 518-3 110 111 113 128 123 139 134 141 518-4 102 114 114 119 124 126 132 134 518-5 99 114 120 130 131 144 147 129 519-1 94 113 116 121 148 148 152 158 519 2 114 124 117 127 135 154 137 139 619-2 119 121 108 106 124 132 140 142 Average 103 110 110 113 124 133 138 138 Standard Error ± ± ± ± ± ± ± ± Number of 11 11 11 11 11 11 10 11 Observations. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
