. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. FIG. 67.—The spotted spring- tail, Papirius maculosus, with spring extended. (Natural size, two millimeters.) FIG. 68.—Young and adult Lc- pisma sp. from California. (Twice natural size.) beds as to keep the soil so constantly disturbed by their movements that the roots cannot hold the plants firmly. The other principal group in the order, known as the Thy- sanura, is represented in this country by three small families which contain but a few species. All the Thysamira have a soft flattened body of from but a few
. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. FIG. 67.—The spotted spring- tail, Papirius maculosus, with spring extended. (Natural size, two millimeters.) FIG. 68.—Young and adult Lc- pisma sp. from California. (Twice natural size.) beds as to keep the soil so constantly disturbed by their movements that the roots cannot hold the plants firmly. The other principal group in the order, known as the Thy- sanura, is represented in this country by three small families which contain but a few species. All the Thysamira have a soft flattened body of from but a few millimeters to three-fourths of an inch in length, and live mostly under stones and logs in the soft soil and humus at the bases of tree trunks. A common species that occurs in houses is known as the silver-fish, or fish-moth, Lepisma saccharina. It is about one-half an inch long and silvery white with a yellowish tinge. It feeds. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company
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