. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. GENKKAL COCOONING HAIUTS OF SI'IDERS. 121 which it is closely allied structurally. It is found in houses, upon walls, etc., in warm situations. It is described slow and deliberate in its motions, displaying somewhat of the action of a gnat in lifting th^racica "'"'^ poising its leg in the air wlien walking. The whole char- acter of the aranead is mild and quiet. The poison fangs are so feeble as to be of but littl


. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. GENKKAL COCOONING HAIUTS OF SI'IDERS. 121 which it is closely allied structurally. It is found in houses, upon walls, etc., in warm situations. It is described slow and deliberate in its motions, displaying somewhat of the action of a gnat in lifting th^racica "'"'^ poising its leg in the air wlien walking. The whole char- acter of the aranead is mild and quiet. The poison fangs are so feeble as to be of but little use in seizing its prey, which office is chiefly performed by the maxilhe. Wlien taken, Scytodes offers no I'esistance and attempts no flight, but, feigning death, resigns itself quietly to its fate.' This tribe embraces the singular genus Walckenaiira, some of whose species liave the eyes placed upon little turret like elevations of the ceph- alothorax. Their habits have not been carefully studied, and tlieir cocoons are little known. One European species, Walcke- naera acuminata, makes a cocoon flat on one side, rounded on the other, about one-third inch in diameter, and composed of slightly woven white silk. It is found in autunui on tlic under surface of stones and Walck enaera,. 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 McCook, Henry C. (Henry Christopher), 1837-1911. [Philadelphia] The Author, Academy of Natural Science of Philadelphia


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectspiders, bookyear1889