UNITED STATES 365 



SAN FRANCISCO, CAL. 



Astronomical Society of the Pacific. 



Address. San Francisco, Cal. Secretaries: R. G. Aitken, Mt. Hamil- 

 ton, Cal. ; R. T. Crawford, Berkeley, Cal. 



History. Organized Feb. 7, 1889. Branches in Chicago and Mexico. 



Object. Advancement of the science of astronomy and diffusion of information 

 concerning it. 



Meetings. At the rooms of the society in San Francisco, on last Saturday of 

 Jan., Mar. and Nov. ; summer meetings in the Library of the Lick Observatory, 

 Mount Hamilton. 



Membership. 185 (annual dues, $5, with reductions for first year according to date 

 of admission ; y z for students actually enrolled in any institution of learning) ; 66 

 life ($50) ; I patron. 



Publications. 



PUBLICATIONS . . . v. I-XIX, (i. e. no. 1-117). San Francisco, 

 1889-1907. 8. 



1889-1894, irreg. (usually 5 nos. a year) ; 1895 # bi-m. Price: $5 a year. 

 Distribution. Exchange. On sale at 601 Merchants Exchange, San Francisco. 



Prises. DONAHOE COMET MEDAL, founded in 1890 by Joseph A. Donahoe. 

 A bronze medal awarded to the actual discoverer of any unexpected 

 comet when the discovery is made in the course of regular astronom- 

 ical occupations, and to that observer of any telescopic periodic comet, 

 who obtains and promptly publishes the first precise determination of its 

 position at any one of its expected returns. Besides making his dis- 

 covery known in the usual way, the discoverer must also address a letter, 

 giving his first observation, to the Director of the Lick Observatory 

 by the first mail after the discovery. This letter must state the exact 

 time of the discovery, the position of the comet, the direction of its 

 motion (when this can be determined), and the physical appearance of 

 the object. (58 awards up to end of 1906). 



BRUCE MEDAL, founded in 1897, by Miss Catherine Wolfe Bruce. A 

 gold medal awarded not oftener than once a year for distinguished 

 services in astronomy. The medal is international in its character, and 

 is awarded upon the nomination of the directors of the following ob- 

 servatories : Harvard College, Lick, Yerkes, Paris, Greenwich, Berlin. 

 (6 awards to end of 1906). 



Geographical Society of California. 



Address. San Francisco, Cal. Secretary : P. MacEwen. 

 History. Founded and incorporated in 1891. 



Object. To collect, register and print new, interesting and useful facts and dis- 

 coveries ; to accumulate a library of the best books on geography, a complete 



