d-milk bacillus, 137

Suter-Naef on Swiss koumiss, 26

Swedish whey cheese, 60

Swiss hard cheese, 113

Symptoms of disease, 161

T

Temperature allowances when testing milk, tables of, 66

Town's dairy equipment, 80

Transmission of disease by milk, 72

U

United Kingdom, milk supply of, 69

United States, milk industry of, 71

Urgoutnik, 43

V

Van Leeuwenhoek, 13

Variation limits of milk, 49

Vedas, 1

"Veronelle" apparatus, 132

Vina, 21

Vinous fermentation, 17

W

Willows Refrigerating Company's apparatus, 144, 145

Wilson on koumiss, 23

Y

Yoghourt, 9, 42, 46, 107

Yoghourt bacillus, 109

Z

Zakvaska, 42

* * * * *

Putnam's
Science Series

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

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

6. +Bacteria.+ By GEORGE NEWMAN.

7. +A Book of Whales.+ By F. E. BEDDARD.

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

9. +The Stars.+ By SIMON NEWCOMB.

10. +The Basis of Social Relations.+ By DANIEL G. BRINTON.

11. +Experiments on Animals.+ By STEPHEN PAGET.

12. +Infection and Immunity.+ By GEORGE M. STERNBERG.

13. +Fatigue.+ By A. MOSSO.

14. +Earthquakes.+ By CLARENCE E. DUTTON.

15. +The Nature of Man.+ By ELIE METCHNIKOFF.

16. +Nervous and Mental Hygiene in Health and Disease.+ By AUGUST FOREL.

17. +The Prolongation of Life.+ By ELIE METCHNIKOFF.

18. +The Solar System.+ By CHARLES LANE POOR.

19. +Heredity.+ By J. ARTHUR THOMPSON, M.A.

20. +Climate.+ By ROBERT DECOURCY WARD.

21. +Age, Growth, and Death.+ By CHARLES S. MINOT.

22. +The Interpretation of Nature.+ By C. LLOYD MORGAN.

23. +Mosquito Life.+ By EVELYN GROESBEECK MITCHELL.

24. +Thinking, Feeling, Doing.+ By E. W. SCRIPTURE.

25. +The World's Gold.+ By L. DE LAUNAY.

26. +The Interpretation of Radium.+ By F. SODDY.

27. +Criminal Man.+ By CESARE LOMBROSO.

28. +The Origin of Life.+ By H. CHARLTON BASTIAN.

29. +The Bacillus of Long Life.+ By LOUDON M. DOUGLAS.

_For list of works in preparation see end of this volume_

* * * *