M 119

(7) Cerebro-spinal fluids.-Four hundred and sixty-three specimens of cerebro-spinal fluids were examined for the presence of the meningococcus. Two hundred and six of these gave positive results, either on direct examination or on culture or by both methods.

As was pointed out in a previous paragraph, the total protein content was estimated in practically all of the fluids received during the epidemic of cerebro-spinal meningitis during the early months of the year—the actual number of fluids in which this was performed was two hundred and forty-two.

C. S. F. Examined for Meningococcus European Indian Chinese Total Positive 6 3 197 206 Negative 11 6 240 257 Grand Total 17 9 437 463

(8) Pus and other miscellaneous materials. Twelve examinations of pus from various lesions were made; they do not call for comment.

Eleven dog's brains were examined for Negri bodies; in no case was a positive result recorded.

D. PREPARATION OF VACCINE LYMPH.

The results of the activities in this department are as follows:-

Number of calves vaccinated 135 Amount of lymph prepared 15,064 c.c. Amount of lymph issued 11,592 Amount remaining in stock 18,557

The amount of lymph issued is practically average.

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