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AMERICAN SPIDERS AND THEIR SPINNINGWORK. 



Fifi. 380. 



Fig. 378. 



Fig. 379. 



The oldest fossil spider, Protolycosa anthrocophila. (After Rbmer.) 



Fig. 378. The spider in site. (Natural size.) Fig. 379. An enlarged drawing of the spider. 



Fig. 380. A restored figure. 



