1884 .] Analyses of Books. 687 
beautiful — river, and that, unlike London, it does not possess 
the right to go on polluting. 
The compilation before us contains little with which students 
of the sewage question are not already familiar. But old truths 
have to be again and again repeated, especially when they are 
almost drowned by old errors. We can therefore recommend 
this pamphlet to all friends of sanitary reform. 
The American Exhibition , London, 1886. Public Opinion in 
Great Britain and the United States.- London : Waterlow 
and Sons, Limited. 
The American Exhibition of the Arts, Manufactures, Products, 
and Resources of the United States of A merica, London, 1886. 
London : Waterlow and Sons. 
As the subjedl-matter of these pamphlets is discussed by our 
esteemed contributor “ An Old Technologist,” they will require 
no further notice on our part. 
