"Taxonomic" Quotes from Famous Books
... characters of Pinus is an attempt to determine their taxonomic significance and their utility for determining the limits of the species. A systematic arrangement follows, based on the evolution of the cone and seed from the comparatively primitive conditions that appear in Pinus cembra to the specialized cone ... — The Genus Pinus • George Russell Shaw
... or projects free of it. In specimens from Arizona the difference in shape of the posterior border of the supraoccipital shield and the difference in size of the space between the braincase and the posterior extension of the supraorbital process are the only differences of taxonomic worth found by us. Many other features of the skull, of color of pelage, and of size of external parts all fell within the range of individual variation of a series ... — Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits • E. Raymond Hall
... and means of improving the animal industries of the country; (3) the bureau of plant industry, which studies plant life in all its relations to agriculture. Its work is classified under the general subjects of pathological investigations, physiological investigations, taxonomic investigations, agronomic investigations, horticultural investigations and seed and plant introduction investigations; (4) the forest service, which is occupied with experiments, investigations and reports ... — Project Gutenberg Encyclopedia |