. Carnegie Institution of Washington publication. EPILACHNA. 77 HEREDITY. Since it is difficult to get two broods through in a year and since the loss in hibernation is heavy, the experiments were frequently interrupted at the end of one generation (table 19). The death-rate from hibernation of the forms with confluence of spots was higher. This matter should be. («) The distance between and confluence of spots 2 and 3. (6) Males. \ (c) Females. All individuals. («) 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 M 0 0 3 1 7 5 13 15 46 39 19 18 20 11 8 3 4 1 0 0 0 0 0 1 0 = (002 1 4 4 10 1


. Carnegie Institution of Washington publication. EPILACHNA. 77 HEREDITY. Since it is difficult to get two broods through in a year and since the loss in hibernation is heavy, the experiments were frequently interrupted at the end of one generation (table 19). The death-rate from hibernation of the forms with confluence of spots was higher. This matter should be. («) The distance between and confluence of spots 2 and 3. (6) Males. \ (c) Females. All individuals. («) 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 M 0 0 3 1 7 5 13 15 46 39 19 18 20 11 8 3 4 1 0 0 0 0 0 1 0 = (002 1 4 4 10 13 15 22 24 23 15 6 9 132 0 1 0 1 000 (V) 0 2 4 5 11 15 26 31* 69" 63 42 33 26 22* 9 6 6 1 1 0 1 0 FIG. 87.—Variation of distance between and eonfluenee of spots 2 and 3 iu Jajtilachna bnrealis at Cold Spring Harbor, New York. experimentally tested with large numbers. The heredity of the forms with confluence differs from that of the varieties of Hippodamia with con- fluence, as would be expected where intergrades are more frequent. The forms are inherited as if they represented an extreme in fluctuation, but. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington


Size: 1114px × 2243px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1910