. The common spiders of the United States. Spiders -- United States. THE COMMON SPIDERS larger than P. atra and smaller than Gnaphosa conspersa. The cephalothorax is proportionally longer and narrower and the sternum narrower and less round than in P. atra (fig. 18). The cephalothorax is dull black at the sides, with a whitish stripe in the middle. The legs are also dull black and, like the cephalothorax, turn brown in alcohol. The abdomen is black, with a bright white stripe in the middle that extends from the front end about two- thirds its length; and at the hinder end, just over the spinne
. The common spiders of the United States. Spiders -- United States. THE COMMON SPIDERS larger than P. atra and smaller than Gnaphosa conspersa. The cephalothorax is proportionally longer and narrower and the sternum narrower and less round than in P. atra (fig. 18). The cephalothorax is dull black at the sides, with a whitish stripe in the middle. The legs are also dull black and, like the cephalothorax, turn brown in alcohol. The abdomen is black, with a bright white stripe in the middle that extends from the front end about two- thirds its length; and at the hinder end, just over the spinnerets, is another white mark (fig. 17). The under side of the abdomen is dark at the sides and light in the middle. The eyes and maxillae are as in P. atra, the maxillae a little less rounded at the ends. Drassus saccatus. — Four-fifths of an inch long, and pale, without markings. The head is shorter and wider than in Gnaphosa conspersa and Prosthesima atra, and the eyes cover a larger part of the head. Both rows of eyes (figs. 2, 19) are curved, with the middle highest. The middle upper pair are oval and turned apart toward the front. The lateral eyes are twice their diameter from the middle pair. The max- Fig. 19. Drassus saccatus. illae (fig. i) are widened at the ends on both — Female enlarged three . , —., i -i • • • • • i times. For eyes and sides. 1 he labium is as wide as it is long, mouth parts see figs, i narrowed toward the end but truncated at and 2 in Introduction. the tip. The color is light gray, with short fine hairs all over the body. The front of the head, the feet, and the mandibles and maxillae are darker and browner. The abdomen is marked only with the usual four muscular spots and sometimes a few transverse dark markings toward 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 origina
Size: 849px × 2944px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectspiders, bookyear1902
