PLATE G. 



1. Dyliscus marginalis. Empty larval skin from pupation 



chamber; natural size. 



2. Subterrarium with three full-fed larvae of Geoirnpes fyphoeus 



in their pupation chambers ; reduced. 



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



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



PLATE H. 



Geotru'pes typhoeus. 



\. 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. 



