CONTENTS.
| Page | |
|---|---|
| On the Telegraphic Determinations of Longitude by the Bureau of Navigation: Lieut. J. A. Norris, U. S. N. | 1 |
| Reports of the Vice Presidents: | |
| Geography of the Land: Herbert G. Ogden | 31 |
| Geography of the Air: A. W. Greely, Chief Signal Officer. U. S. A. | 49 |
| Annual Report of the Treasurer | 64 |
| Report of Auditing Committee | 65 |
| Annual Report of the Secretary | 66 |
| National Geographic Society: | |
| Abstracts of Minutes | 67 |
| Officers for 1890, | 69 |
| Members of the Society | 70 |
Published April, 1890.
PRESS OF TUTTLE, MOREHOUSE & TAYLOR, NEW HAVEN, CONN.
