GINAL YOGHOURT 114

25.--GRANULE BACILLUS FROM YOGHOURT. CULTIVATED IN SKIM
MILK IN TWENTY-FOUR HOURS 114

26.--_Bacteria W._, AGAR MILK SUGAR CULTURE 116

27.--_Bacteria acidophilus_ FROM CALVES' MANURE 116

28.--MUCUS FROM CALF'S STOMACH INOCULATED INTO MILK AFTER
EIGHT TRANSFERRINGS 116

29.--DIPLOSTREPTOCOCCUS FROM YOGHOURT. PURE CULTURE IN
SKIM MILK 116

30.--PHOTO-MICROGRAPH OF PREPARATION MADE FROM YOGHOURT,
SHOWING YEAST CELLS 118

31.--PHOTO-MICROGRAPH OF SMEAR FROM GREEK CURDLED MILK
CALLED "GIAOURTI" 118

32.--PHOTO-MICROGRAPH OF SOURED MILK INOCULATED WITH
A TABLET CONTAINING VIABLE AND PURE CULTURES OF
_Bacillus bulgaricus_ 120

33.--PHOTO-MICROGRAPH OF MILK INOCULATED WITH A FERMENT
TABLE IN WHICH _Bacillus bulgaricus_ IS NO LONGER
VIABLE 120

34.--PHOTO-MICROGRAPH OF SMEAR OF CULTURE OF _Bacillus
bulgaricus_ 122

35.--_Bacillus bulgaricus_, SHOWING THE CULTURES
IN ENGLISH COW'S MILK 124

36.--PHOTO-MICROGRAPH OF PURE CULTURE OF _Bacillus
bulgaricus_ 124

37.--PHOTO-MICROGRAPH OF SMEAR OF COMBINED CULTURE
OF _Bacillus bulgaricus_ AND _Bacteria
paralacticus_ 124

38.--PHOTO-MICROGRAPH OF SMEAR OF ONE-MONTH CULTURE
OF _Bacillus bulgaricus_ 126

39.--PHOTO-MICROGRAPH OF CULTURE OF _Bacillus bulgaricus_
IN MALT 126

40.--PHOTO-MICROGRAPH OF SMEAR FROM MILK THAT HAD BEEN
ALLOWED TO SOUR SPONTANEOUSLY 126

41.--PHOTOGRAPH OF AGAR CULTURE, INOCULATED WITH A LACTIC
POWDER 128

42.--PHOTOGRAPH OF TEST-TUBES OF STERILE MILK, INOCULATED
WITH A TABLET PREPARATION SAID TO CONTAIN PURE
CULTURES 128

43.--PHOTOGRAPH OF TEST-TUBES OF STERILE MILK, EACH TUBE
HAVING BEEN INO