The lesser grain-borer (Rhizopertha dominica Fab.) 
Introductory 
Description of the species 
Distribution - 
CONAPENES: 
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iterature; known-history, and habits’: -2<:-.=-..2--0-..--<02-<0--omce- 
Office notes and correspondence 
Biologic notes 
Experiments 
General conclusions 
Bibliography 
The larger grain-borer ( Dinoderus truncatus Horn) 
Introductory 
Description ~ 
History and literature 
Office experiments 
Bibliography 
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