Biology Books

Harvesting Ants and Trap-Door Spiders

J. Traherne Moggridge

Claudius Ælianus, who lived in the time of Hadrian, gives a detailed account of the habits which he attributes to ants, from which the following is a translation: "In summer time, after harvest, while..

The Evolution Theory, Vol. 2 of 2

August Weismann

In plants this bud-idioplasm must be complete germ-plasm, because the budding starts only from one kind of cell, the cambium-cells; but in animals in which—as it seems—it always proceeds from at least..

Essays of a Biologist

Julian Huxley

Most of mankind, now as in the past, close their eyes to this possibility. They seek to put off their responsibility on to the shoulders of various abstractions which they think can bear their burden ..

An Attempt to Investigate the Seat of Animal Life

Henry Curtis

Some physiologists, and those of no mean note, have considered the operations of the human frame as a circle of functions governed by mechanical organic laws, as we discover in an hydraulic machine, o..

Dairy Disagreeables Busy the Bacteriologists

F. H. Hall

This bitter flavor is not the same as the bitterness quite common in milk and cream at certain seasons of the year; as the milk itself tasted and smelled all right until well along in the process of c..

The Principles of Biology, Volume 2 (of 2)

Herbert Spencer

The proof sheets of this volume, like those of the last volume, have been looked through by Dr. Hooker and Prof. Huxley; and I have, as before, to thank them for their valuable criticisms, and for the..