"Metatheria" Quotes from Famous Books
 ... body of facts. To him are due not only the names, but the idea, that the mammalian animals fall into three grades of ascending complexity of organisation: the reptile-like Prototheria, which lay large eggs, and which have many other reptilian characters; the Metatheria, or marsupial animals; the Eutheria, or higher animals, which include all the common animals from the mole or rabbit up to man. In a similar fashion, he grouped the vertebrates into three divisions, and named them: Ichthyopsida, which include the ...
— Thomas Henry Huxley; A Sketch Of His Life And Work • P. Chalmers Mitchell |
