DOLLI (Dollo) Louis

(1857-1931), Belgian paleontologist, foreign corresponding member of the USSR (1928). Studied the morphological features of fossil animals associated with their way of life. The main work of 'Environmental paleontology' (1909). Followers in. O. Kovalevsky. LAW Dolly (the law of the irreversibility of evolution), a pattern of phylogenesis: organisms, returning to the evolution of habitat ancestors, can not be completely like them. So, again adapted to life in water ichthyosaurs did not fish again, but retained structural features of reptiles, and whales are mammals. Formulated in 1893 L. Dollo.