The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 125
SHOWING THE MUSCLES (M1 AND M2) CUT ACROSS.The shell now opens out easily. your mouth and six to close it. The mussel, beinginside of the shell, cannot open it by means of amuscle; but his two valves are joined by a greatligament so arranged that it will hold the shellopen all the time. The shell… … NEWLY HATCHED FLOUNDERS. They are entirely transparent, except the eyes, and swimvertically, with the head toward the surface. are found also in the temperate and tropical re-gions, and are so widely distributed that there isscarcely a seashore or bay anywhere in theworld which has not one or more…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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