THE bearings of zoology on human welfare-as illustrated by the relation of insects, protozoa, and helminthes to the spread or causation of disease in man-have become increasingly evident in these ...

ALTHOUGH written from an American point of view, with American animals as the chief types, this well-illustrated volume may be confidently recommended to the English student on account of its lucid ...

Imagine uncovering a piece of history that's been buried for millions of years– something that connects us to our distant ancestors and sheds light on where we all began. Fossils are like time ...