t of 12 inches,
working 8 hours a day. This is about 9,900 foot-tons daily, or 12 times
a man's work.

Good clear ice two inches thick will bear men to walk on; four inches
thick will bear horses and riders; six inches thick will bear horses and
teams with moderate loads.

One pair of rabbits can become multiplied in four years into 1,250,000.
Australia ships 6,000,000 rabbit skins yearly to England.

The largest of the Pyramids, that of Cheops, is composed of four million
tons of stone, and occupied 100,000 men during 20 years, equal to an
outlay of $200,000,000. It would now cost $20,000,000 at a contract
price of 36 cents per cubic foot.

One tug on the Mississippi can take, in six days, from St. Louis to New
Orleans, barges carrying 10,000 tons of grain, which would require 70
railway trains of fifteen cars each.

Comparative Scale of Strength.--Ordinary man, 100; Byron's Gladiator,
173; Farnese Hercules, 362; horse, 750.

A man will die for want of air in five minutes; for want of sleep, in
ten days; for want of water, in a week; for want of food, at varying
intervals, dependent on various circumstances.

The average of human life is 33 years. One child out of every four dies
before the age of 7 years, and only one-half of the world's population
reach the age of 17. One out of 10,000 reaches 100 years. The average
number of births per day is about 120,000, exceeding the deaths by about
15 per minute. There have been many alleged cases of longevity in all
ages, but only a few are authentic.

The various nations of Europe are represented in the list of Popes as
follows: English, 1; Dutch, 1; Swiss, 1; Portuguese, 1; African, 2;
Austrian, 2; Spanish, 5; German, 6; Syrian, 8; Greek, 14; French, 16;
Italian, 200. Eleven Popes reigned over 20 years; 69, from 10 to 20; 57,
from 5 to 10; and the reign of 116 was less than 5 years. The reign of
Piux IX was the longest of all, the only one exceeding 25 years.

A knot, in sailor phrase, is a nautical mile, 6,080 feet, or 800 feet
more than a land mile.

The Garden of the Gods is near Colorado Springs and consists of a tract
some 50 acres in area surrounded by mountains and ravines of red
sandstone. A number of large upright rocks, some as high as 350 feet,
have given the beautiful valley its name. It is entered by a very narrow
pass called the "Beautiful Gate."

The Trans-Siberian Railway is 6,003 miles long and was built at a cost
of $201,350,860.

The longes