Putnam's

Science Series

I.

The Study of Man. By A. C. HADDON.

2.

The Groundwork of Science. By ST. GEORge Mivart.

3. Rivers of North America. By ISRAEL C. RUSSELL.

4.

5.

6.

7.

Earth Sculpture, or ; The Origin of Land Forms. By JAMES
GEIKIE.

Volcanoes; Their Structure and Significance. By T. G.
BONNEY.

Bacteria. By GEORGE NEWMAN.

A Book of Whales. By F. E. BEddard.

8. Comparative Physiology of the Brain, etc. By JACQUES LOEB.

9.

10.

11.

12.

The Stars. By SIMON NEWCOMB.

The Basis of Social Relations. By DANIEL G. BRINton.
Experiments on Animals. By STEPHEN PAGET.

Infection and Immunity. By GEORGE M. STERNBERG.

13. Fatigue, By A. Mosso.

14.

15.

Earthquakes. By CLARENCE E. DUTTON.

The Nature of Man. By ÉLIE METCHNIKOFF.

16. Nervous and Mental Hygiene in Health and Disease. By AUGUST FOrel.

17.

20.

21.

22.

The Prolongation of Life. By ÉLIE Metchnikoff.

18. The Solar System. By CHARLES LANe Poor.
19. Heredity. By J. ARTHUR THOMPSON, M.A.
Climate. By ROBERT DECourcy Ward.
Age, Growth, and Death. By CHARLES S. MINOT.
The Interpretation of Nature. By C. LLOYD Morgan.
Mosquito Life. By EVELYN GROESBEECK Mitchell.
24. Thinking, Feeling, Doing. By E. W. SCRIPTURE.
The World's Gold. By L. DE LAUNAY.
The Interpretation of Radium. By F. SCDDY.
Criminal Man. By CESARE LOMBROSO.

23.

25.

26.

27.

28. The Origin of Life. By H. CHARLTon Bastian. 29. The Bacillus of Long Life.

30.

31.

By LOUDON M. DOUGLAS.

Social Evil. By R. A. SELIGMAN.
Microbes and Toxins. By E. BURNET.

For list of works in preparation see end of this volume

2089

MICROBES & TOXINS

By Dr. ETIENNE BURNET

OF THE PASTEUR INSTITUTE OF PARIS

WITH A PREFACE BY

ÉLIE METCHNIKOFF

Translated from the French

BY

Dr. CHARLES BROQUET and W. M. SCOTT, M.D

ILLUSTRATED

G. P. PUTNAM'S SONS
NEW YORK AND LONDON
The Knickerbocker Press