Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 102
cada, except for the cover-ing afforded by the closed wings of the restinginsects. In other cicadas these drums are usuallyprotected by overlapping valves or expansion ofthe body-wall. United States Department of Agriculture. VERY SMALL SHELLS IN THE SOIL. L , Idaho. Dear St. Nicholas : While… … tiny shells. Enlarged. The ordinary pin at the left shows comparative size. Will you please tell me what they are, and the habits ofthe animals that lived in them ? From your friend, Winifred Brown. The shells belong to the genus Pisidiitm, agroup of very minute bivalves which live in thesoft mud…
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