| Show effects of forests on R vers at the recent meeting ot the inter national navigation congress at milan some interesting data were furnished respecting the influence which the de of forests exerts on ohp dis charge of ahers A summary of even important papers read at the congress shows that it was allowed by all the authors rf these papers that the re boval moval of forests especially in hilly countries has a marked effect on the water supply of the neighboring rivers where deforestation has taken placa brooks have disappeared and small rivers once furnishing power for mills have ceased to be sufficient foi this purpose new york herald |