. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . ntage of as con-venient harborage. A downy seed which fell upon the water and driftedwithin reach of one of my aranead sailors was immediately seized by thecreatures fore feet, the spinnerets were set in motion, and the seed wasoverspun with a delicate floss, which converted it into a sort of float. In this connection I record an incident which may throw some light uponthe development among Orbweavers of this interesting water liabit. A
. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . ntage of as con-venient harborage. A downy seed which fell upon the water and driftedwithin reach of one of my aranead sailors was immediately seized by thecreatures fore feet, the spinnerets were set in motion, and the seed wasoverspun with a delicate floss, which converted it into a sort of float. In this connection I record an incident which may throw some light uponthe development among Orbweavers of this interesting water liabit. A largefemale Epeira sclopetaria was collected, along with an abandonedBpeira cocoon, behind which it had spent the winter, at Atlantic ^^^^ spider was accidentally dropped into the Inlet, together withthe flossy ball of the cocoon. She immediately threw out threadsaround the ball (Fig. 153), to which she remained attached as to a buoy,and thus the two drifted along safely under the floor of a boat houseand so out of sight. One associates such an action with the water walkingand navigating of Tetragnatha, and wonders whether Epeira could 102 AMERICAN SPIDERS AND THEIR SPINNINGWORK. under fiivorublo environment, develop like behavior. Moreover, the queryarises, whether from some sueli accidental occasions, often repeated, maynot have sprung sucii a perfect navigating haliit as tliat attrihutcd toDolomedes fimbriatus, who makes for herself a raft of leaves united l)ythreads of silk, and so navigates the fens of Nortlunuberlaud, England, insearch of prey. Like her congener Extensa, the Stilt spider has a wide distribution over the United States. It is disisersed throughout the entire belt ofticTn^^^^ Eastern and Middle States; and the collections of Dr. Marx locate it in Empire City, Colorado; Fort Bridgcr, Wyoming; Kanayah,Aleutian Isles; Sitka, Alaska, and as far to the northeast as Unga Bay, Lab-rador. III. The remarkably extended geographical distribution of t
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