PLATE III, 



MIMICRY OF ENVIRONMENT. 



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

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

 WEB SPIDER'S TUBE. 



