OCT 18 1921 



The 



Macrolepidoptera 



of the World 



== A systematic description === 

 of the hitherto known Macrolepidoptera 



edited in collaboration with well-known specialists 



by 



Dr. Adalbert SeitZ, Professor 



I. Section 4. Volume: The Palearctic Geometrae. 



Plates. 



STUTTGART 



Verlag des Seitz'schen Werkes (Alfred Kernen) 



1921. 



