CONTENTS.
| CHAP. | I.--Phænomena of Revolving Storms | [7] |
| " | II.--Phænomena of Atmospheric Waves | [13] |
| " | III.--Observations | [18] |
| SECT.I.--Instruments | [19] | |
| SECT. II.--Times of Observation | [28] | |
| SECT. III.--Localities for Additional Observations | [31] | |
| SECT. IV.--Storms, Hurricanes, and Typhoons | [43] | |
| SECT. V.--Seasons for Extra Observations | [48] | |
| " | IV.--Practical Directions for Avoiding the Centres of Storms | [52] |