206                  Studies on a Natural Outbreak of Pigeon-Pox

                                TABLE IV— contd.

Cross immunity test on pigeons, immune to the English strain of pigeon-pox
virus against the Indian strain of the same virus

Pigeon

No.

Date of inocu-

lation with the

English strain

of pigeon-pox

virus

Result of the

inoculation

Date of cross

immunity test

with the Indian

strain of

pigeon-pox virus

Result of the

cross immunity

test

Remarks

34

20th April 1936

Reacted

12th May 1936

No reaction .

35

20th April 1936

Do.

12th May 1936

Mild reaction

9

20th April 1936

Do.

23rd May 1936

No reaction .

10

20th April 1936

Do.

23rd May 1936

Do. .

11

20th April 1936

Do. .

23rd May 1936

Do. .

12

20th April 1936

Do. .

23rd May 1936

Died after
three days
due to other
causes.

58

13th June 1936

Do. .

13th July 1936

Reacted

59

13th June 1936

Do. .

13th July 1936

Do. .

60

13th June 1936

Do. .

13th July 1936

Do. .

61

13th June 1936

Do. .

13th July 1936

Do. .

62

13th June 1936

Do. .

13th July 1936

Do. .

64

13th June 1936

Do. .

13th July 1936

Do. .

65

13th June 1936

Do. .

13th July 1936

Do. .

66

13th June 1936

Do. .

13th July 1936

No reaction .

67

13th June 1936

Do. .

13th July 1936

Reacted .

68

13th June 1936

Do. .

13th July 1936

Do. .

69

13th June 1936

Do. .

13th July 1936

Do. .

70

13th June 1936

Do. .

13th July 1936

Do. .

71

13th June 1936

Do. .

13th July 1936

No reaction .

72

13th June 1936

Do. .

13th July 1936

Reacted .