1. Examination of water, chemical and bacteriological
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2. Notes on new species of microscopical organisms, chiefly from the Para River, South America
3. A report upon some microscopical organisms found in the New York City water supply
4. Some observations on the growth of diatoms in surface waters
5. Plumbing and public health
6. Some recent investigations concerning bacteria in drinking water
7. Observations and experiments on living organisms in heated water
8. Some observations on the temperature of surface waters, and the effect of temperature on the growth of micro-organisms
9. Beware--: drink only approved water
10. On the micro-organisms in Hemlock water
