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" It contains from two to three thousand eggs, each of which is 1-3 mm. long and about one-third as wide, ellipsoidal, translucent, sordid white, with a delicate shell, and surrounded and separated from the adjoining eggs by a thin layer of the same white... "
Bulletin of the United States Geological and Geographical Survey of the ... - Page 527
by Geological and Geographical Survey of the Territories (U.S.) - 1878
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Proceedings of the American Association for the Advancement of ..., 25. köide

American Association for the Advancement of Science - 1877 - 444 lehte
...contains from two to three thousand eggs, each of which is 1-3 mm. long and about one-third as wide, ellipsoidal, translucent, sordid white, with a delicate...in concentric rows, the rest packed in irregularly. Before hatching, the dark eyes of the embryon show distinctly through the delicate shell, and the eggs...
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Annual Report of the State Board of Agriculture of the ..., 12. köide,1876. osa

1877 - 382 lehte
...white, with a delicate shell, and surrounded and separated from the adjoining eggs by a thin layer ot the same white albuminous material which covers the...concentric rows ; the rest packed in irregularly. Before batching, the dark eyes of the embryon show distinctly through the delicate shell, and the eggs...
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Bulletin of the United States Geological and Geographical Survey ..., 4. köide

1878 - 932 lehte
...the posterior ends showing like faint dots through the white covering. Those of the marginal row He flat on the attached surface; the others gradually...said object. Beneath this vaulted layer the rest lie ou a plane with the leaf, those touching it in concentric rows, the rest packed in irregularly." t...
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Aquatic Insects in New York State: A Study Conducted at the Entomologic ...

James George Needham - 1903 - 438 lehte
...which covers the whole. The outer layer forms a compact avch, with the anterior ends pointing inward, and the posterior ends showing like faint dots through...are at right angles with said object. Beneath this mantled layer the rest lie on a plane with the leaf, those touching it in concentric rows; the rest...
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Bulletin of the New York State Museum, 68. number

1903 - 444 lehte
...which covers the whole. The outer layer forms a compact arch, with the anterior ends pointing inward, and the posterior ends showing like faint dots through...are at right angles w^ith said object. Beneath this mantled layer the rest lie on a plane with the leaf, those touching it in concentric rows; the rest...
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Proceedings of the American Association for the Advancement of ..., 25. köide

American Association for the Advancement of Science - 1877 - 444 lehte
...contains from two to three thousand eggs, each of which is 1-3 mm. long and about one-third as wide, ellipsoidal, translucent, sordid white, with a delicate...in concentric rows, the rest packed in irregularly. Before hatching, the dark eyes of the embryon show distinctly through the delicate shell, and the eggs...
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