. The biology of spiders. Spiders; Insects. THE SPIDER'S WEB i55 spiders is shown in Fig. 69. In four places, two adjacent radii are bound with a broad thread of silk, forming an X-shaped figure. The spider occupies the centre, its legs grouped in pairs along the arms of the cross, and its body coloration so assists in the deception that it no longer looks like a living object. One species, Argiope catenulata, spins three of these silvery zigzags. Its own cephalothorax is of the same silvery colour, and on its abdomen three bands of. Fig. 69.—Web of Argiope pulchella. After Hingston. this colo
. The biology of spiders. Spiders; Insects. THE SPIDER'S WEB i55 spiders is shown in Fig. 69. In four places, two adjacent radii are bound with a broad thread of silk, forming an X-shaped figure. The spider occupies the centre, its legs grouped in pairs along the arms of the cross, and its body coloration so assists in the deception that it no longer looks like a living object. One species, Argiope catenulata, spins three of these silvery zigzags. Its own cephalothorax is of the same silvery colour, and on its abdomen three bands of. Fig. 69.—Web of Argiope pulchella. After Hingston. this colour fall into continuity with the silk bands of the web. As a result, the spider, strikingly coloured when seen elsewhere, is almost invisible in the centre of its web. A type of protection rather different from any of the foregoing is adopted by spiders who add to their webs objects which might be mistaken for themselves. Clearly, if a web holds four apparent spiders, three of which are dummies or decoys, the real spider has a more than sporting. 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 Savory, Theodore Horace, 1896-. London : Sidgwick & Jackson
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecti, booksubjectspiders
