. Evenings at the microscope : or, Researches among the minuter organs and forms of animal life . Zoology; Microscopy; Microscopes. 324 EVENINGS AT THE MICBOSCOPE. in their successors with every wave, while the lowest seg merits are scarcely visible as such. At length the extreme cup rocks and oscillates until the slender thread of connexion is snapped, and it is free. It at once turns itself over, so as to present its concavity downwards, and, contracting its margin with the well-. TTJBRIS AND ITS YOUNG. known pulmonic spasm, shoots away with the movement as well as the form of a veritable Me


. Evenings at the microscope : or, Researches among the minuter organs and forms of animal life . Zoology; Microscopy; Microscopes. 324 EVENINGS AT THE MICBOSCOPE. in their successors with every wave, while the lowest seg merits are scarcely visible as such. At length the extreme cup rocks and oscillates until the slender thread of connexion is snapped, and it is free. It at once turns itself over, so as to present its concavity downwards, and, contracting its margin with the well-. TTJBRIS AND ITS YOUNG. known pulmonic spasm, shoots away with the movement as well as the form of a veritable Medusa. The little progeny has at length, after passing through so many changes, returned to the image of its parent. Such are, in brief, the phenomena of one of the most remarkable series of facts that modern zoology has dis- covered, and which have been propounded under the title of the Law of Alternation of Generations.* * See pages 338, 334, 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 Gosse, Philip Henry, 1810-1888. London : Society for Promoting Christian Knowledge


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