38 EVOLUTION IN COLOR-PATTERN OF THE LADY-BEETLES. is clear that the end positions, that of no spot versus spot of normal size in the one case, and lateral margin wholly incomplete versus normal in the other case, are more stable conditions; otherwise we should probably have, as a modal condition,… … Fria. peter cn a of 2959,exposed to inter- mittent cold when a prepupa. F1a@. 26.—A new pattern, produced by inter- mittent exposure to cold, which is not found in nature. From Hippodamia convergens. : , | Se 5) 26 (a) 10 11 12 13 14 15 16 17 18 19 20 21 coos coow 28 (> 0 1 2.4 12 15 8% 8 2 8 8 1…
Animals -- Color · Ladybugs
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
