Open AccessThe Pentatomoidea of Illinois with Keys to the Nearctic Genera
Author(s) -
Charles A. Hart
Publication year - 1919
Publication title -
illinois natural history survey bulletin/bulletin - illinois natural history survey
Language(s) - English
Resource type - Journals
eISSN - 2644-0687
pISSN - 0073-4918
DOI - 10.21900/j.inhs.v13.331
Subject(s) - nearctic ecozone , ecological succession , value (mathematics) , extension (predicate logic) , genealogy , natural (archaeology) , history , computer science , zoology , biology , ecology , archaeology , programming language , taxonomy (biology) , machine learning
In the arrangement of my keys I have tried to show the natural grouping and succession, because I believe that an artificial grouping, although apparently simpler, often obscures or suppresses the more difficult yet essential points of difference, and is of little value in the extension of knowledge.