Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 186
d the holes. Theinsects show as black spots in the bean powder.These little insects are known as bean-weevils(Bruchi(s obsoletus). In all such chipping-out holes, whether byinsects or woodpeckers, it is surprising that thediameter is so uniform and the sides so smooth.The insect or bird does the… … THE PERFORATED BEANS. The black spots in the rough-appearing powdery chippings sur-rounding the beans are the insects that cut the holes. The beans,the chippings, and the insects were poured on white cardboard (thathad been smeared with glue) and then photographed. 174 NATURE AND SCIENCE FOR YOUNG…
Children's literature
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