The spider book; a manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, harvestmen, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classif

🔖 This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 Excerpt: ... all short. P. 365. Pedanostethus EE. Sternum broad and truncate behind. All small spiders measuring one twelfth inch or less in length. F. Abdomen furnished with several prominent humps. P. 356. Ulesanis FF. Abdomen not furnished with humps. G. Cephalothorax with numerous, small, crescent-shaped elevations, each at one side of a puncture. P. 359. Crustulina GG. Cephalothorax without crescent-shaped elevations. H. Cuticle of abdomen soft, without horny shields or sigilla. P. 367. Theonoe/e HH. Abdomen with a shield or with sigilla. I. Median eyes subequal or the anterior larger than the posterior. P. 366. HlSTAGONIE/t II. Anterior median eyes smaller than the other eyes, usually much smaller. P. 367. PHOLCOMMATE/t The three genera Bellinda, Cbrysso, and Gaucelmus, each of which is represented by a single species found in Florida, are not included in the above table, or in the following account of the family. Genus ARIAMNES (Ar-i-am'nes) The lateral eyes of each side are close together; the middle eyes are widely separated, those of each side being near to the lateral eyes, thus forming a group of four eyes on each side. The cephalothorax has a deep transverse furrow near the middle, and the abdomen is elongate. These spiders are remarkable for the slender form and great length of the abdomen, which is extended in a worm-like prolongation far beyond the spinnerets (Fig. 326). The following species is the only representative of the genus known to occur in our territory. Ariamnes fictilius (A. fic-til'i-us).--This species is light yellow and silvery white in colour, with three darker bands on the cephalothorax and one on the middle of the abdomen. The legs are very long and slender. The body varies from one fifth to one Fig. 326. ARIAMNES FICTtLIUS third inch ...