. The common spiders of the United States. Spiders -- United States. THE CINIFLONID^, OR CRIBELLATA 215. Amaurobius ferox.—This lives in houses and is probably an imported species, as it is more common in Europe. It grows a little larger than sylvcstris (fig. 489), and the head is a little more narrowed in front of the legs. The colors and markings are much as in sylvestris, but the abdomen is often darker, and the middle light stripe on the front more distinct. The epigynum has a larger middle lobe, and the lateral lobes are straighter and do not meet in the middle. The males are colored like
. The common spiders of the United States. Spiders -- United States. THE CINIFLONID^, OR CRIBELLATA 215. Amaurobius ferox.—This lives in houses and is probably an imported species, as it is more common in Europe. It grows a little larger than sylvcstris (fig. 489), and the head is a little more narrowed in front of the legs. The colors and markings are much as in sylvestris, but the abdomen is often darker, and the middle light stripe on the front more distinct. The epigynum has a larger middle lobe, and the lateral lobes are straighter and do not meet in the middle. The males are colored like the females and have the thorax wider and the legs longer. The palpi of the male have the tarsus short and round. The tibia (fig. 492) has only a small short hook on the inner side, and a large blunt process on the fig. 493. Amaurobius outer side. The male palpi and the epigynum amencana, enlarged distinguish these easily from the last species. four times. ° J Amaurobius (Titanceca) americana. — Quarter of an inch long and deep black, except the cephalo- thorax, which is dull orange color, but covered, like the rest of the body, with long black hairs (fig. 493). Some individuals have a few light gray spots in pairs on the abdomen. The shape of the cephalothorax and abdomen are like Amaurobius sylves- tris, and the legs are of the same propor- fig. 494 tional length and stouter. The palpi of the female have the tibia and tarsus a little thickened. 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 Emerton, J. H. (James Henry), 1847-1930. Boston, London, Ginn & Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectspiders, bookyear1902
