The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 124
a vein ofbrassy yellow. Harry B. Bradford. THE MUSSELS MUSCLE, AND HOW HEUSES IT How is it that a mussel can close its shell soforcibly? The muscles are two in number, onein each end of the shell. They extend straightacross from one valve to the other. Thus thefibers act at no disadvantage. The…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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