PLATE III 



MIMICRY OF ENVIRONMENT. 



1, 2, MiSUMENA VATIA. 3, A LATERIGRADE ON BARK. 4, EPEIRA STRIX. 5, EPEIRA PARVULA ONI 



LICHEN, AFTER PECKHAMS. 6, TETRAGNATHA EXTENSA AND THE ORCHARD SPIDER. 7. PURSE* 



WEB SPIDER'S TUBE. 



