& 
ty 
90 Dr. Hare’s Reply to Prof. Vanuxem. 
Me 
may be exchanged for another, as easily, as mistaken—but 
supposing that the mistake originated with Dr. Macneven, 
it should be recollected that he did not act under the idea 
of any serious responsibility. He was writing to a friend, 
not controverting the conclusions of a skilful chemist. 
twas in January 
i or. I then sent him the first he ever had. 
his opportunities of observation are duly great, it is not 
wos 
. very 
ed by 
2 that @ 
piece of charcoal of about one inch in length, and less tha 
tan ously, at 
* It appears from Professor Silliman’s Memoir, (V , Ameri- 
. sally I ol. V. p. 363, Ame! 
can Journal of Science,) that he did employ boiling saiphuric and boiling oi lin 
oreover, i hi j 
nitric acid; and m 
foun that Professor 
stituent of plamheee, 
bules might be magnetic. magnet 
ing the giobules procured from anthrac 
