# Page:Popular Science Monthly Volume 16.djvu/725

695
EDITOR'S TABLE.

nized, under a three-hundred power of the microscope, as octahedra. Knowing well that such paper is used in all other Kindergartens throughout the country, and knowing also the habit of children putting everything available in their mouths, and especially of swallowing paper, I think the use of a sort colored with an arsenical pigment deserving of the severest reprehension. Yon may, if you please, show these tubes to any of the able chemists of your city, or describe them as you may see fit.

 Yours truly, George Hay, M. D., Analyst, Analytical Laboratory. 45 Diamond St. Alleghany City, Pa., January 16, 1880. $\begin{matrix}\big\}\end{matrix}$

EDITOR'S TABLE.

"LET WELL ENOUGH ALONE"