Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . ription ofphysicians unac-quainted with ento-mology, is somewhatdangerous, producingalarming nervous dis-orders. Fig. 629 rep-resents Theridion ri-parium (lower figure,male; upper, female,enlarged), of Europe. Epeira is readilyknown by the largeglobular species are sed-entary, forming a webcomposed of spiralthreads crossed byother threads depart-ing from the centre ; they often dwell in a tent constructedabove the web ; the cocoons are
Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . ription ofphysicians unac-quainted with ento-mology, is somewhatdangerous, producingalarming nervous dis-orders. Fig. 629 rep-resents Theridion ri-parium (lower figure,male; upper, female,enlarged), of Europe. Epeira is readilyknown by the largeglobular species are sed-entary, forming a webcomposed of spiralthreads crossed byother threads depart-ing from the centre ; they often dwell in a tent constructedabove the web ; the cocoons are of various forms. E. vulgarisHentz (Plate 12, fig. 12) is pale gray, with a pitchy black ab-domen, with various winding white marks, and a middle one inthe form of a cross. It spins a regular geometrical web. andis almost domesticated, being found about the outside ofhouses andin gardens. E. domiciliormn Hentz is a gray orbrownish species, and is found in dark rooms. The genus Nephiht comprises large spiders, with long cylin-drical abdomens. )lumipes (Fig. G30. natural size) is foundin the Southern States. Dr. B. G. Wilder has given an ac. Fiff. G29. 652 ARANEINA. count of its habits, and considers its silk, if the spider could bereared in sufficient quantities, as of commercial value. Themales (upper figure) are minute in size, compared with thefemales. The genus Thomisus is characterized by the small size of thecheliceres, and the first and second pair of feet are either thelongest, or the second alone are longest. The species wander
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
