H.—3l

50

Public Water-supplies Examined.

Return showing Results of Vaccine Lymph for Year 1909-10.

Organisms per Cubic Centimeter. Source of Water. At Normal ,. «_ 0 ,-, Temperature. Bacillus coli. Bacillus spor genes. Oamaru, — Tap .. !i ";| Waimate, — Intake Tap .. Wanganui,— Tap .. Trentham, — Well 1 Well 2 2,658 750 0 0 240 294 32 25 0 0 0 0 314 265 0 0 8,500 580 100 20 0 0 0 0 Thames County, — Tap Thames Borough, — Tap .. Te Aroha, — Reservoir Tap .. Foxton, — River Artesian well .. Gisborne, — Tap .. Napier, — Artesian well .. Lower Hutt, — Tap .. 346 127 316 450 3,760 0 40 11 10 14 195 0 0 0 0 0 0 0 0 0 0 0 i 0 152 0 0 10 0 0 0 160 0 0 0

Number of Scarifications to which Lymph was applied. Remi irks. Series. Number of Tubes issued. Number of Vesicles obtained. Percentage. Cases done. Cases Persuccessful. centage. 56 57 58 59 60 62 63 64 66 68 69 73 516 645 441 358 706 174 252 378 725 107 372 294 243 138 188 159 594 76 25 134 214 69 228 153 172 82 165 143 554 37 4 99 155 37 164 103 70-8 59-4 87-8 89-9 93-3 48-7 16-0 73-9 72-4 53-6 71-9 67-3 76 45 64 51 191 28 7 42 71 22 73 49 68 894 37 82-2 64 j 100-0 49 96-0 184 96-3 17 60-7 2 28-6 37 88-1 59 83-1 15 68-2 63 86-3 39 79-6 Totals 4,968 2,221 1,715 77-2 719 i 634 88-2