His main contributions to philosophy have to do with the principles of classification ( systematics or taxonomy ).
2.
I'm working on a thick paper now on the principles of classification, and that has all sorts of new ideas.
3.
His arrangement, to which we shall have to recur, is founded on a principle of classification, and nearly corresponds to that adopted by Agathias.
4.
This classification has been less accepted by taxonomists as it can be derailed by convergent evolution and does not follow phylogenetic principles of classification.
5.
This principle of classification was extended by Ascherson and Graebner ( 1907 ) to cover all lupins from the eastern and western hemispheres . " Lupinus"
6.
George Gaylord Simpson's classic " Principles of Classification and a Classification of Mammals " ( taxonomy text laid out a systematics of mammal origins and relationships that was universally taught until the end of the 20th century.
7.
George Gaylord Simpson's " Principles of Classification and a Classification of Mammals " ( AMNH " Bulletin " v . 85, 1945 ) provides systematics of mammal origins and relationships that were universally taught until the end of the 20th century.
8.
The book was written in fine and plain language, the author suggested a very convenient principle of classification of drugs . �Fundamentals of Pharmacology?clearly exposed experimental proofs of preparations'pharmacodynamics, gave picturesque descriptions of poisoning process, gave clear indications for prescription of medicines.
9.
While Watson's work was predominantly based on study of North American species, the later research of Ascherson and Graebner ( 1907 ) extended his principle of classification to cover all lupins from the Eastern and Western Hemispheres, also using number of ovules ( seedbuds ) in the ovary ( and thus of seeds in the pod ) as the criterion for this division.
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