468 HANDBOOK OF LEARNED SOCIETIES 



and in 1904, a Comision lunar was added. Observatory of the society 

 erected in 1905 in the Plazuela de San Sebastian. 



Ref.: Boletin, num. 22, enero de 1904, p. 217-223. Boletin, num. 62, mayo 



de 1907. 



Object. Diffusion of astronomical knowledge. 



Meetings. Monthly, 1st Wednesday, Sept. to June, in the Escuela para Profesoras. 

 Membership. 475 (entrance fee, I peso; annual dues, 2 pesos; life composition, 

 50 pesos). 



Publications. 



BOLETIN . . . revista mensual de astronomia, rneteorologia y fisica del 

 globo. t. I-V (/. e., num. 1-57), abr. i9O2-dic. 1906. Mexico, 1902-6. 

 8 & 12. m. 



v. 4 in 9 nos., Apr.-Dec. 1905. 

 Price: $i per annum. 



Pamphlets on special subjects, see recent numbers of Boletin. 

 Circulars (numbered, various sizes) published after occurrence of 

 unusual phenomena and occasional reprints from Boletin. 



Distribution. Free to libraries and learned societies. On sale by the General 



Secretary. 

 Prises. The following gold medals are awarded annually to members: 



Premio "Atenogenes Silva," Premio "Leopoldo Ruiz," Premio "Guada- 

 lupe Almendario," Premio "Felipe Rivera." 



Sociedad Cientifica "Antonio Alzate." 



Address. Palma num. 13, Mexico, D. F. Permanent Secretary: Rafael 



Aguilar y Santfllan. 

 History. Founded Oct. 1884. 



Ref. : Documentos relatives al estado de la Sociedad cientifica "Antonio 



Alzate" hasta el 30 de julio de 1902. (In Memorias, t. 13, p. 249-258.) 



Object. To perpetuate the memory of the learned Mexican D. Jose Antonio de 



Alzate y Ramirez and to contribute to the progress of the country, through the 



study of science in all its branches. 



Meetings. Monthly, ist Monday, at the headquarters of the society, Ex-Mercador 



del Volador. 



Membership. 78 active (entrance fee, $2; annual dues, $12); 198 corresponding; 

 109 honorary. 



Publications. 



MEMORIAS . . . t. 1-23, 1887/88-1905/06. Mexico, 1887-1905. 8. 



t. 24 in progress, 1906. t. 6-24 have added t. p. : Memoires de la Societe 

 scientifique "Antonio Alzate." 



Issued in numbers (with cover-title Memorias y Revista . . . from t. 4) 

 which include occasionally signatures of independent publications 

 (v. infra} and, from t. 18, sometimes parts of 2 different vols. of 

 Memorias, in addition to the issues (1888 to date) of the following: 



