Little weight need be attached to the lack of fossil remains to fill up this gap, since the discovery of these depends upon chance. The last part of the chapter is devoted to a discussion of the earlier stages in the genealogy of man. Here Darwin accepts in the main the genealogical tree, which had meantime been published by Haeckel, who traces the pedigree back through Monotremes, Reptiles, Amphibians, and Fishes, to Amphioxus.英文原著 · 《Darwin and Modern Science》
Wanting is -- What? My Star. The Flight of the Duchess. The Last Ride Together. By the Fireside. Prospice. Amphibian. James Lee's Wife.英文原著 · 《Introduction to Robert Browning》
Biologists have, for example, added a full one-third of the known frog and other amphibian species, biologists have, for example, added a full one-third of the known frog and other amphibian species,演讲 · 《My wish Build the Encyclopedia of Life ~ E.O. Wilson》