. Darwinism; an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. ix WARNING COLORATION AND MIMICRY 247 insects are black, with the apex of the fore wings ochre coloured, and the outer half of the hind wings bright orange. The accompanying woodcuts (for the use of which I am indebted to Mr. John Murray of the Challenger Office) well exhibit their striking resemblance to each Fig. 24.—Opthalniis lincea (Agaristidar). Artaxa sinmlans (Liparidse). In Africa exactly similar phenomena recur, species of Papilio and of Diadenia mimicki
. Darwinism; an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. ix WARNING COLORATION AND MIMICRY 247 insects are black, with the apex of the fore wings ochre coloured, and the outer half of the hind wings bright orange. The accompanying woodcuts (for the use of which I am indebted to Mr. John Murray of the Challenger Office) well exhibit their striking resemblance to each Fig. 24.—Opthalniis lincea (Agaristidar). Artaxa sinmlans (Liparidse). In Africa exactly similar phenomena recur, species of Papilio and of Diadenia mimicking Danaidae or Acraeidae with the most curious accuracy. Mr. Trinien, who studied this subject in South Africa, has recorded eight species or varieties of Diadema, and eight of Papilio, which each mimic some species of Danais; while eight species or varieties of Panopaea (another genus of Nymphalidae), three of Melanitis (Eury- telidae), and two of Papilio, resemble with equal accuracy some species of He has also independently observed the main facts on which the explanation of the phenomenon rests,—the unpleasant odour of the Danais and Acraea, extend- ing to their larvae and pupae; their great abundance, slow flight, and disregard of concealment; and he states that while lizards, mantidae, and dragonflies all hunt butterflies, and the rejected wings are to be found abundantly at some of then 1 See Trans. Linn. Soc, vol. xxxi., with two coloured plates illustrating cases of 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 Wallace, Alfred Russel, 1823-1913. London, Macmillan and Co. ; New York, Macmillan Co.
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