Facts You May Not Know.

The great mass of steel in the buildings of lower New York is said to affect the compasses of the ships approaching the city.

There are sixteen cables across the north Atlantic Ocean.

It is probable that the Nile contains a greater variety of fish than any other river in the world. An expedition sent by the British Museum brought back 8,000 specimens.

The target on the ground to test the accuracy of aëroplane bomb throwers is sixty feet in diameter. The fifteen-pound bombs are dropped at an elevation of 656 feet.

There are 20,000 kinds of butterflies in the world.

The custom of throwing rice at weddings originated in China.

A patient Englishman has carved the king’s monogram and similar devices on an eggshell.

By the end of 1916 the Chinese army expects to have 1,000 aëroplanes, this year’s budget calling for the purchase of 250.

Boys in a fresh-air school in Buffalo, N. Y., prune the orchard trees on the school grounds, grow catalpa trees for future transplanting, study bird whistles and notes as they hear them in the orchard, and incidentally acquire a valuable insight into the main principles of forestry.