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Correspondence . 
[February, 
THE SOCIETY OF ARTS AND SANITARY 
MOVEMENTS. 
To the Editor of the Journal of Science. 
Sir, — Can you, or any of your correspondents, inform me 
whether the Society of Arts is, stridbly speaking, keeping within 
the sphere of its duties and functions when it enters upon sani- 
tary questions ? — I am, &c., 
SUUM CuiQUE. 
[We are unable to answer the difficult and delicate question 
raised by our correspondent. We should recommend him to 
take counsel’s opinion on the Society’s Charter of Incorpora- 
tion. — Ed. J. S.] 
UNPLEASANT ALTERNATIVES, 
To the Editor of the Journal of Science. 
Sir, — The “ unpleasant alternative ” will be altogether avoided, 
and “ Verifier ” will be enlightened as to how the Indian juggler 
performs the trick, if he will apply to any conjuror. — I am, &c., 
Saltburn. 
