KHARTOUM. MOSQUITO STATEMENT FOR YEAR ENDING 31st DECEMBER, 1928.

Infections found outside municipal boundary.

``` | MONTH | No. of zeers pits and other small receptacles infected | No. of wells infected | No. of pools infected | Percentage of permanent collections. | Last year's percentage. | Blue Nile above Burri. | Onfdurman and Main Nile. | Total Infections | | :------ | :----------------------------------------------------- | :-------------------- | :-------------------- | :----------------------------------- | :---------------------- | :----------------------- | :----------------------- | :--------------- | | | C. | S. | A. | C. | S. | A. | C. | S. | A. | C. | S. | A. | C. | S. | A. | | 1928. | | | | | | | | | | | | | | | | January | 31 | 13 | | 2 | 6 | | 42 | 2 | 665 | 89 | 43 | 694 | | February| 23 | 2 | | 3 | 67 | | 239 | 1.25 | 0.83 | 21 | 75 | 10 | 280 | | March | 50 | 14 | | 1 | 76 | | 240 | 0.41 | 1.25 | 18 | 79 | 9 | 198 | | April | 88 | 31 | | 2 | 167 | | 239 | 0.83 | 0.41 | 98 | 137 | 24 | 116 | | May | 49 | 2 | | 1 | 62 | | 237 | 1.25 | 1.25 | 37 | 1 | | June | 14 | 10 | | 4 | 105 | | 237 | 1.6 | 4.62 | 1 | 9 | 10 | 9 | | July | 97 | 17 | | 4 | 172 | | 237 | 2.1 | 2.13 | 9 | 61 | 7 | 7 | | August | 155 | 4 | | 2 | 183 | | 237 | 2.5 | 3.40 | 7 | 98 | 22 | 7 | | September| 57 | 2 | | 1 | 225 | | 237 | 1.6 | 5.12 | 4 | 22 | 12 | 4 | | October | 8 | 1 | | 9 | 91 | | 237 | 0.42 | 1.28 | 22 | 22 | 22 | 171 | | November| 1 | 9 | | 4 | 79 | | 237 | 1.28 | 0.42 | 2 | 39 | 22 | 114 | | December| 16 | 13 | | 1 | 41 | | 237 | 0.42 | 1.28 | 5 | 32 | 22 | 171 | | TOTAL | 738 | 274 | 56 | 4554 | 1381 | 963 | | 8 | 1 | 8318 | 441 | 1717 | C. = Culex. A. = Anopheline. ```