454 



AMEKICAN SPIDERS AND THEIR SPINNINGWORK. 



Fig. 380. 



Fig. 378. 



The oldest fos.sil spider, Protolycosa anthrocophila. (After Romer.i 



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



Fig. .380. A restored figure. 



