SUBJECT INDEX. 



PAGE 



Bacteria in Boston sewage 45 



in Cambridge supply 10 



in Chicago drainage canal 39 



in Connecticut River 42 



in deep wells 17, 40 



in driven wells 17, 40 



in filter effluents 40 



in Framingham supply 42 



in ground water 15, 39 



in ground waters, peculiar character of 18, 39 



in Hartford supply 42 



in ice 12 



in Isar River 39 



in Lake Champlain 10 



in Lake of Lucerne . 10 



in Lake Zurich 38 



in lakes and ponds 10 



in Loch Katrine 10 



in Loch of Lintralthen 10 



in Lynn supply 10 



in Medford supply 10 



in Merrimac River 9 



in Newport supply 42 



in Ohio River 41 



in Ourcq River 9 



in Peabody supply 10 



in Plymouth supply 10 



in polluted streams 39 



in polluted waters, changes during storage 27 



in polluted well 42 



in rain 8 



in relation to food supply 14 



in Salem supply 10 



in sea-water at Naples 10 



in sea-water at Wood's Hole 10 



in Seine 39 



in shallow wells 15, 16 



in snow 8 



in springs 15, 16 



in stored samples, multiplication of 2 5~ 2 7 



