Ernst Mayr is perhaps the most distinguished biologist of the twentieth century, and "Systematics and the Origin of Species" may be one of his greatest and most influential ...

An incisive study of the development of the biological sciences chronicles the origins, maturation, and modern views of the classification of life forms, the evolution of ...

A simplified list of animal classes and orders, following a new arrangement designed to achieve a more accurate identification and a better understanding of comparative ...