DIPHTHERITIC FORM OF FOWL-POX IN INDIA                      315

date of inoculation, except in the case of negative results, when the fowls were
subjected to an immunity test with the stock virus to exclude the possibility of
their having a natural immunity to fowl-pox.

In no case, except for the special purposes recorded in this paper, was direct
inoculation ever done over the broken or unbroken mucous membrane of the
mouth.

All the specimens which were received from outside were subjected to biolo-
gical test, for evidence of fowl-pox infection, in the manner described above,
with the following results :—

                                                                TABLE I

                     Results of biological test on specimens, for evidence of fowl-pox infection

Serial
No.

Speci-
men
No.

Received from

Date of
receipt

Nature of
material

Result of biologica
test

Remarks.

Healthy
fowls

Immune
fowls
(Wey-
bridge
strain)

1

56

Principal, Madras Veteri-
nary College.

9th Feb., 1935 .

Dried
crusts.

Positive

Negative

Cutaneous le-
sions.

2

69

Superintendent, Civil
Veterinary Department,
Bangalore.

14th Feb., 1935

Do. .

Do. .

Do. .

Do.

3

70

Veterinary Assistant
Surgeon, Jamtara,
(B. & O.).

15th Feb., 1935

Do. .

Do. .

Do. .

Do.

4

85

Special Officer, C. V. D.,
Muzaffarpur, (B. & O.).

22nd Feb., 1935

Do. .

Do. .

Do. .

Do.

5

117

V. A. S., Conjeevaram,
(Madras).

14th Mar., 1935

Do. .

Negative

Do. .

. . .

6

121

D. V. S., Nagpur, (C. P.) .

15th Mar., 1935

Do. .

Positive

Do. .

Cutaneous le-
sions.

7

122

V. A. S., Cuddalore,
(Madras).

Do. .

Do. .

Negative

Do. .

. . .

8

123

Principal, Madras Veteri-
nary College.

Do. .

Do. .

Do. .

Do. .

. . .

9

130

V. A. S., Kumbakonam,
(Madras).

18th Mar., 1935

Do. .

Do. .

Do. .

. . .

10

139

D. V. S., Lucknow, (U. P.).

22nd Mar., 1935

Do. .

Unfit for examination

?

11

150

V. A. S., Rajapalyam,
(Madras).

25th Mar., 1935

Do. .

Positive

Negative

Cutaneous le-
sions.

12

151

V. A. S., Kothapeta,
(Madras).

Do. .

Do. .

Do. .

Do. .

Do.

13

197

V. A. S., Anakapalle,
(Madras).

20th April, 1935

Do. .

Do. .

Do. .

Do.

14

220

V. A. S., Deoria, (U. P.). .

4th May, 1935 .

Do. .

Negative

Do. .

. . .

15

246

V. A. S., Kumbakonam,
(Madras).

16th May, 1935

Do. .

Do. .

Do. .

. . .