. A manual of zoology. Zoology. HISTORY OF ZOOLOGY. 4Y the npi^er side is concealed. The jDarts are so arranged that the whole takes on a leaf-like form, and certain markings heighten the imitation of the neuration of the leaf (fig. 11). Among the numerous species of leaf-butterflies there are different grades of completeness of mimicry; in many even the depredations of insects A. Fig, 11.—Leaf-butterflies. A, Kallima paralecta. flying; a, at rest. (After Wallace.) B, Sidcrnne strigosus, flying; Jj, at rest. (After C. Sterne.) is imitated; in others the form and marking are still incompletely
. A manual of zoology. Zoology. HISTORY OF ZOOLOGY. 4Y the npi^er side is concealed. The jDarts are so arranged that the whole takes on a leaf-like form, and certain markings heighten the imitation of the neuration of the leaf (fig. 11). Among the numerous species of leaf-butterflies there are different grades of completeness of mimicry; in many even the depredations of insects A. Fig, 11.—Leaf-butterflies. A, Kallima paralecta. flying; a, at rest. (After Wallace.) B, Sidcrnne strigosus, flying; Jj, at rest. (After C. Sterne.) is imitated; in others the form and marking are still incompletely loaf-like, the marking being the first to come into existence. Among the grasshoppers also there are imitations of leaves, like the 'walking-leaf,' Phyllium siccifolium, P. scythe, while other nearly related forms more or less completely approach the appear- ance of dried, sometimes of thorny twigs (fig. 12, a and Jj). ExamiJiles of Mimicry.—Very often insects are copied by other animals. Certain butterflies, Heliconia, fly in large 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
