Scientific American Supplement, No. 803, May 23, 1891 by Various
page 33 of 143 (23%)
page 33 of 143 (23%)
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to ten days, when the moths emerge.
[Illustration: FIG. 26.] The moths, Fig. 26, d, belong to the family commonly known as plume moths or feather wings (Pterophoridæ), from having their wings divided into feather-like lobes. When the wings are expanded they measure about seven-tenths of an inch across. They are yellowish brown with a metallic luster, and have several dull whitish streaks and spots. The fore wings are split down the middle about half way to their base, the posterior half having a notch in the outer margin. The body is somewhat darker than the wings. It is not known positively in what stage the winter is passed, but it is supposed to be the perfect, or imago stage. The unnatural grouping and spinning of the leaves together leads to their detection, and they can be easily destroyed by hand picking and then crushing or burning them. * * * * * THE BREEDS OF DOGS. The dog exhibitions that have annually taken place for the last eight years at Paris and in the principal cities of France have shown how numerous and varied the breeds of dogs now are. It is estimated that |
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