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Chart of The North Atlantic on an Equal-surface Projection, SHOWING THE GULF STREAM, &C.....217

Chart of the Northern Hemisphere, showing the Curves of Equal Mean Annual Temperature and Equal Midwinter Temperature for London.....264

The same, showing the Curves of Equal Mean Annual Temperature and Equal Mid-scmmeu Temperature for London ........... 265

Diagram showing the Annual Variation of Mean Diurnal Temperature at Greenwich......277

Diagram showing the Barometric Pressure over Southern Hemisphere..........287

Diagram showing the Barometric Pressure over Northern Hemisphere..........ib.

Figure Illustrating a Theory in Explanation of the Low Barometer of the Antarctic Zone.....305