. Elementary lessons on insects . Fig. 10.—Eggs and young of the tent caterpillar. A, egg masses on choke cherry twigs (half natural size): B, eggs exposed, the cover- ing cut away; C, six eggs, three of which have hatched and are empty; D, two newly hatched caterpillars (from Snodgrass).

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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookcollecti, bookdecade1920, booksubjectinsects