The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 119
clam gains confidence he will ex-tend from his shell the long tube-like siphon, andthe two openings in the end of it, with theirfringed borders, will be seen. Now take a com-pound microscope or a magnifying-glass andwatch the water above the siphon. You will seethat it is moving. With the minute… … AN EGG-CASE OF THE SKATE. ment, the water is expelled through the othertube, and we see it rising slowly from the opening.If, however, the clam takes a fancy to contract Searching a cave foranemones, hydroids, etc. his shell and so hasten this motion, we will seea little fountain shoot up and…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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