PLATE G. 



1. Dylisrms marginalis. Empty larval skin from pupation 



chamber; natural size. 



2. Subterrarium with three full-fed larvae of Geotnipes typhonis 



in their pupation chambers ; reduced. 



3. G. typhoeus, larva, full-fed ; nearly natural size. 



4. G. fyphoeus, pupa, ^, recently disclosed; nearly natural size. 



PLATE H. 



Geotrupes typhoeus. 



1. Larva, full-fed, in pupation chamber, awaiting pupation. 



2. Pupa, $, recently disclosed. 



Both about natural size. 



PLATE J. 



Geotrupes typhoeus. 



1. Pupa, $, mature. 



2. Imago, $. 



Both about natural size. 



