CONTENTS 
a 
On the Telegraphic Determinations of Longitude by the Bureau a 
of Navigation: Lieut. J. A. Norris, U.S. N, . : 4 ; 1 
Reports of the Vice-Presidents ; 
Geography of the Land: Herbert G. Ogden : : a oe 
Geography of the Air: A. W. Greely, Chief Signal Officer, 
WiS. Ae ; : : 5 3 : 5 5 ‘ Ba, 
Annual Report of the Treasurer : : . ; ‘ 5 . 64 
Report of Auditing Committee . : : : ; : : a a ii) 
Annual Report of the Secretary : “ , : é : aon 
National Geographic Society: 
Abstracts of Minutes . 3 ; Wegexe ; : ‘ ets 
Officers for 1890, . : ; eae 3 ‘ ; ; Re) 
Members of the Society ; : : : ; : ; Pan Ae 
Published April, 1890. 
PRESS OF TUTTLE, MOREHOUSE & TAYLOR, NEW HAVEN, CONN, 
