Diameter at the Equator, 7,925 miles, diameter at the Poles, 7,899 miles; mean diameter, 7,916 miles; circumference at the Equator, 24,899 miles; surface of the Earth, in round numbers : Land, 54,500,-000 square miles; water, 142,000,000 square miles; total, 196,000,000 square miles. Mean annual temperature: Poles, 30°; Polar regions, 36°; Torrid Zone, 75°: Equator, 82°: Globe, 50°. Mean annual rainfall, 36 inches. Specific gravity, 5.450 to 5.000.

Area And Population Of The Earth By Continents

(According to Behm and Wagner's estimate, 1884.)

Continental Divisions

Area in Sq. Miles

Inhabitants Number

Per Sq. Mile

Asia

...17,832,340

795,591,000

44.0

America

...15,389,250

100,416,400

6.5

Africa

...11,929,300

205,823,200

17.0

Wurope

... 3,892,234

327,743,400

84.0

Australasia

... 3,581,140

4,232,000

1.1

Polar Regions

... 1,791,280

82,500

Total............

...54,415544

1,433,887,500

26.3

An estimate of the population of the earth made in 188G by Professor E. Levasseur for the International Statistical Institute is as follows. Asia, 789,000,000; America, 112,000,000; Africa, 197,000,000; Europe, 347,000,000; Oceania, 38,000,000; total, 1,483,000,000.

Population Of The Earth According To Race

(Estimate by John Bartholomew, F. R. G-. S., Edinburgh.)

Race

Location

Number

Indo-Germanic or Aryan..

Europe, Presia, etc

. 545,500,000

Mongolian or Turanian

Greater part of Asia

. 630,000,000

Semitic or Hamitic

North Africa, Arabia

. 65,000,000

Nrgro and Bantu

Central Africa

. 150,000,000

Hottentot and Bushmen...

South Afric

150,000

Malay and Polynesian

.. Australasia and Polynesia.

. 35,000,000

American Indian

. . North and South America.

. 15,000,000

Total..............

.1,440,650,000