M (1) 35
Table II.
The Examination (post-mortem) of Rats.
Month. Total. Male. Female. Newly infected. Pregnant. not classified. January 6,468 3,037 3,178 639 253 February 4,141 1,977 2,006 415 158 March 5,460 2,599 2,724 545 137 April 5,517 2,634 2,720 5 315 163 May 5,362 2,552 2,684 1 298 126 June 5,204 2,572 2,330 1 283 102 July 5,019 2,432 2,524 351 63 August 4,890 2,326 2,484 303 80 September 5,125 2,469 2,481 1 373 175 October 5,794 2,693 2,924 495 177 November 5,918 2,821 2,914 465 183 December 5,910 2,786 2,946 401 178 Total 64,808 30,898 32,115 8 4,883 1,795