. Principles of economic zoo?logy. Zoology, Economic. ORTHOPTERA 135 them to escape readily into cracks and crevices. Cockroaches were the dominant insects in carboniferous times. There are four common species,. Fig. 104.—Calopl'enus spre'tus. Process of acquiring wings: a, Pupa with skin just spht on the back; 6, the imago extending; c, the imago nearly out; d, the imago with wings expanded; e, the imago with all parts perfect, natural size. (After Riley.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration a
. Principles of economic zoo?logy. Zoology, Economic. ORTHOPTERA 135 them to escape readily into cracks and crevices. Cockroaches were the dominant insects in carboniferous times. There are four common species,. Fig. 104.—Calopl'enus spre'tus. Process of acquiring wings: a, Pupa with skin just spht on the back; 6, the imago extending; c, the imago nearly out; d, the imago with wings expanded; e, the imago with all parts perfect, natural size. (After Riley.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Daugherty, Lewis Sylvester, 1857-; Daugherty, L. S. , Mrs. , 1859-. Philadelphia, London, W. B. Saunders
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1915
