DETAIL OF THE NEW BUTTERFLY GROUP 



Monarch biittcrflit^s travel tliou.saiicls Uy^i'ihav in what siuMns to ho a migration southward 

 in tho fall. Year after year the prei)aratory swarming? is roijorted from certain given districts 

 wliero they cover the trees so that tho green of tho loaves is obscured by t he brown of iiinuniorablo 

 butterfly wings 

 106 



