| Despite its rigour, however, Greek geometry does not satisfy the demands of the modern systematist. |
| As a systematist of vast experience Lamarck knew how difficult it is in practice to distinguish species from varieties. |
| It would be an interesting study to compare Cuvier's views on variation with those of Darwin, who was essentially a systematist. |
| Linnaeus was the greatest systematist in the history of botany. |
| From the above brief account it may perhaps be concluded that Berkeley was essentially a systematist and founder of new species. |
| In weasels, change in color of the pelage is the seasonal variation most important for the systematist to understand. |
