EARTH-MASON CATE RPILLA RS. 



0'cm$m r* ™* ^' * *P 



Earth Maton Caterpillars' Nesti, with the perfect Moth, ijre. 



The grubs of several of the numerous species of 

 may-fly {Ephemera) excavate burrows for themselves 

 in soft earth, on the banks of rivers and canals, under 



