96 



AMERICAN SPIDERS AND THEIR SPINNINQWORK. 



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Fia. 77. 



Cocoons of Tetragnntha extcnsa : Fio. 75, spun upon a leaf, X 3; Flo. 76, woven against a twig, X 3; 



Fig. 77, suspended within a fence post Iiole, the last about natural size. 



