1 S65 •] How, When, and Where is Sewage Injurious? 267 
ir?lin h a l 0 ^f S ^ COn f d + l S a measure of time , connected with an 
original defeft of the meter as measure of the length of 
have—^' tCrreStna quadrant Amending these def efts we 
r , The C r^ r clty of the Earth in static measure is equal to its 
net iT’nfeas III. * * * * * * X ^ - Whlch ’ dividing b y to reduce to mag- 
netic measure, brings as quotient of the capacity of the 
nffh ™ ™° la / ° { A the f arad ’ I4 ° 7 * The farad be W one 
motion micro-farads we have — h 
1407 x (666 x 1-062) = such million. 
But 666 is one-half the mass of the air into thac of the 
" + he 0C ^ an ’ or of the mas s of the atmosphere into 
-p , le f a .t ocean, or half the mean centrifugality of 
die Earth at its surface, and a figure very remarkable in 
any lespedts. (See “ On some Properties of the Earth.”) 
III. HOW, WHEN, AND WHERE IS SEWAGE 
INJURIOUS ? 
By J. W. Slater. 
BEFORE entering upon these questions I may, perhaps 
be as ked what is here meant by “ injury ” or 
“ nuisance ” ? In my opinion these terms may fairly 
be taken in a wider sense than is usually done. Judge 
McCarter, in trying the Newark case of river-pollution, ruled 
that it was not necessary for the offensive matter complained 
of to be present in actually poisonous quantity in order to 
constitute a punishable nuisance. “ It is sufficient if it 
render the water offensive or disagreeable to the taste or 
smell.” Whether this decision be sound law I cannot pre- 
sume to say, but it is assuredly sound common sense. It is 
not enough to contend that some particular matter poured 
into the streams, allowed to diffuse itself into the air or to 
soak into the ground, does not diredtly and palpably cause 
some, definite form of disease, or prevent the successful 
carrying on of some trade or business. If it occasions 
