The common spiders of the United States. Spiders -- United States. THE DRASSID/E 3 oooo OOOq 4%
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The common spiders of the United States. Spiders -- United States. THE DRASSID/E 3 oooo OOOq 4%
The common spiders of the United States. Spiders -- United States. THE DRASSID/E 3 oooo OOOq 4%? from the middle pair than these are from each other (fig. 3). The middle eyes are oval and oblique, diverging toward the front. The maxillae are large, and rounded on the outer corners. The mandibles are large and strong, with a wide, flat, serrated tooth (fig. 5) under the claw. The cocoon is white and flat, with a diameter as great as the length of the spider. The female, as far as I have observed, makes no nest, but partly lines with silk a shal- low hole, in which she nurses her cocoon. It l. The common spiders of the United States. Spiders -- United States. THE DRASSID/E 3 oooo OOOq 4%? from the middle pair than these are from each other (fig. 3). The middle eyes are oval and oblique, diverging toward the front. The maxillae are large, and rounded on the outer corners. The mandibles are large and strong, with a wide, flat, serrated tooth (fig. 5) under the claw. The cocoon is white and flat, with a diameter as great as the length of the spider. The female, as far as I have observed, makes no nest, but partly lines with silk a shal- low hole, in which she nurses her cocoon. It lives under stones and leaves as far north as the White Mountains and west to the Rocky Mountains in British Columbia, and on the Pacific coast in Oregon. A smaller and similar species, Gnapkosa brumalis, lives on the top of Mount Washing- ton and as far north as Labrador. Pythonissa imbecilla. — About quarter of an inch long, bright orange brown on the cephalothorax and legs and blue black on the abdomen, with a few white hairs around the muscular spots. The legs are covered with fine long hairs a little darker in color than the skin. The cephalothorax is wide behind and more narrowed in front than in Gnaphosa. The eyes (fig. 6) are close together, and the lateral eyes of both rows are larger than the middle pairs and a little farther back on the head. The maxillae (fig. 8) are short and wide, and bent toward each other so that they nearly meet in front of the labium. The front edges are nearly straight and the outer corners only slightly rounded. The sternum is wide and almost circular. The tarsus of the female palpi tapers from the base to the tip.. Figs. 6, 7, 8. Pytho- nissa imbecilla. — 7, female enlarged four times. 6, the eyes seen from in front. 8, the maxillae, la- bium, and ends of mandibles from be- low.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these
Media ID 39890718
© The Book Worm
Bookcentury1900 Bookdecade1900
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