. A text-book of agricultural zoology. Zoology, Economic. -Q^ -a- Fig. 40.—Orb-weaving Spider, Etc. A, Epeira diademata : E, Drassus BlackwallU ; c, thread ot Epeira yreb, about and adhering together, thus forming the white flaky masses. Some spiders may be found on these threads as they are being wafted about—the spider having, as it were, taken advantage of this mode of transit. There are two chief divisions of spiders—the first having four spinnerets and four air-sacs, the second two air-sacs and six spinnerets. The former are known as Mygalidce, or crab-spiders, such as the large Tarantula


. A text-book of agricultural zoology. Zoology, Economic. -Q^ -a- Fig. 40.—Orb-weaving Spider, Etc. A, Epeira diademata : E, Drassus BlackwallU ; c, thread ot Epeira yreb, about and adhering together, thus forming the white flaky masses. Some spiders may be found on these threads as they are being wafted about—the spider having, as it were, taken advantage of this mode of transit. There are two chief divisions of spiders—the first having four spinnerets and four air-sacs, the second two air-sacs and six spinnerets. The former are known as Mygalidce, or crab-spiders, such as the large Tarantula, or Bird-spiders, of the tropics. One large species is found in Britain—^namely, Atypus Sulzeri. This carnivorous araneid excavates a subterranean gallery in damp places, in which the female, amongst the lining of white silk the. 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 Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and sons


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899