any daily mean. The climate in another way, however, is, of course,
the cause, by producing luxuriant growth, as illustrated by all the
vegetation of the country. Numerous other analyses form illustrations
of the important effect of surroundings and season upon the storing up
of starch by the plant, and consequent relative changes in the
composition of the grain.

As a whole, the poverty of American wheats in nitrogen, decreasing
toward the less exhausted lands of the West, seems to be due more to
influences of soil than of climate, while locally the influence of
season is found to be greater than that of manure, confirming the
conclusions of Messrs. Lawes & Gilbert. Also from the analyses of the
ash of different parts of the grain, as from the analyses of roller
milling products, we learn that a large percentage of ash
constituents, other things being equal, is indicative of large
proportion of bran, and consequently of a low percentage of
flour.--_The Miller._

* * * * *




PRECIOUS AND ORNAMENTAL STONES AND DIAMOND CUTTING.[1]

[Footnote 1: Abstract from Census Bulletin No. 49, April, 1891.]

By GEORGE FREDERICK KUNZ.