Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 88
SOME OF THE BEAUTIFUL TRIANGULAR FORMS.The markings are of regular honeycomb style. nite variety. Many kinds bear spines, while somehave a row of funnels around their margin. Many of these little plants are almost con-stantly in motion, the cause of which is not well … DIATOMS OF RECTANGULAR SHAPE.Resembling decorated pocket-books or card-cases. understood. A one-fourth- or a one-fifth-inchmicroscope objective may be conveniently used to
Children's literature
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