Oceans.

Sq. Miles.

Pacific, about.............

80,000,000

Atlantic, " .............

40,000,000

Indian, " ............

20,000,000

Southern, " ............

10,000 000

Arctic, " ............

5 000 000

Note. The seas, bays, gulfs, etc., connected with each ocean, are included in the foregoing estimate. It may be proper to remark, however, that the exact superficial extent of the several oceans is not known with certainty, nor the exact proportion of land and water.

Seas.

Length in Miles.

Mediterranean,

about

2,000

Caribbean...

"

1,800

China.............

"

1,700

Red...............

"

1,400

Japan.............

"

1,000

Black.............

"

932

Caspian...........

"

640

Baltic.............

"

600

Okhotsk....

"

600

White.............

"

450

Aral..............

"

250

Bays.

Length in Miles.

Hudson's, about

1,200

Baffin's.. "

600

Chesapeake "

250

Lakes.

Length. Miles.

Width. Miles.

Superior.........

380..

120

Baikal...........

360..

35

Michigan.........

330..

60

Great Slave .......

300..

45

Huron...........

250..

90

Winniped........

240..

40

Erie.....

270..

50

Athabasca........

200..

20

Ontario..........

180..

40

Maracaybo......

150 .

60

Great Bear......

150..

40

Ladoga..........

125..

75

Champlain.......

123..

12

Nicaragua.......

120..

40

L. of the Woods

70..

25

Geneva..........

50..

10

Constance.......

45..

10

Cayuga..........

36..

4

George..........

36..