例文・使い方で印象づける「hydra」の覚え方
スポンサーリンク...Slides or diagrams showing hydra and sponge reproducingsexually... 
Worrallo Whitney 「A Guide for the Study of Animals」
... represents such a cluster innatural size, while shows a piece of the stem highly magnified,with a reproductive calycle attached to the side of a sterile Hydra stem...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Watching the hydra it was curious to note thechanges of form which these creatures are able toassume...
Henry J. Slack 「Marvels of Pond-life」
...The, or hydra, is found in clear waters, and may generally be seen in great plenty in small ditches and trenches of fields, especially in the months of April and May...
Samuel Griswold Goodrich 「Illustrative Anecdotes of the Animal Kingdom」
...ButI am too familiar with the hydra of error to expect that by loppingoff one of the monster’s heads I can prevent another, or eventhe same, from sprouting again...
Sir James George Frazer 「The Golden Bough」
...Man’s ancestors are Gastræads, like the simplest of theactual Metazoa (Prophysema, Olynthus, Hydra, Pemmatodiscus)...
Ernst Haeckel 「The Evolution of Man」
...The second isthe great watersnake, Hydra, which 4600 years ago stretched for 105°along the celestial equator of that day...
E. Walter Maunder 「The Astronomy of the Bible」
...Situated in the heart of Hydra...
William Tyler Olcott 「A Field Book of the Stars」
...In the central portion of Hydra,represented on , we find its leading star α, sometimescalled Alphard, or Cor Hydræ, a bright second-magnitudestar that has been suspected of variability...
Garrett Serviss 「Pleasures of the telescope」
...The constellation resembles a goblet with its base resting on thecoils of Hydra...
William Tyler Olcott 「A Field Book of the Stars」
...Following the order of right ascension, we come nextto the little constellations Crater and Corvus, which maybe described as standing on the curves of Hydra ()...
Garrett Serviss 「Pleasures of the telescope」
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