His system was thus a research tool and not merely a system of classification.
He defined the characters of the different species and devised a system of classification.
They have now won medals in 21 of the 38 Olympic disciplines, a system of classification that divides, for example, volleyball into beach volleyball and the indoor game.
Unfortunately, but not unexpectedly, they have not found it possible to agree on a system of classification.
Mrs. Woolf knows all about that: she knows that "to prevent us from being submerged by chaos, nature and society between them have arranged a system of classification," &c.
Deriving from the Ancient Greek words "taxis" and "nomia," which translate as "arrangement" and "method" respectively, a "taxonomy" is a system of classification.
Among his many important contributions to the field was a system of classification and chronology that he assigned to objects of art from the Ice Age.
Ray drew on this work for his "Historia Plantarum", proposing a system of classification that underpinned what later became broadly accepted.
Under Pickering this work included photometry, a scale of photographic magnitudes, a system of classification of variable stars, and a system of stellar spectroscopy that was for many years universally adopted.
At first, from a purely scientific perspective, the new natural kinds indicated the need for a system of classification capable of making sense of the great diversity of living things, a system duly supplied by the great Swedish taxonomist Carolus Linnaeus (1707 78).
Instead, biologists are adopting a system of classification based on phylogenetics, which reflects organisms' evolutionary history.
