406 HANDBOOK OP LEARNED SOCIETIES 



No more published. Contain ethnological results of the U. S. Geographical 

 and geological survey of the Rocky mountain region, J. W. Powell in 

 charge; publication begun by the Department of the Interior and con- 

 tinued by the Bureau. All o. p., except v. 6. 



Also 4 Introductions to the study of Indian languages and mortuary 

 customs (1877-80; all o. p., except no. 4) and 8 miscellaneous publi- 

 cations (1880-1906; all o. p., except no. 7, 8), intended wholly or 

 chiefly for the use of collaborators and correspondents. 



For further bibliographical information see Bulletin no. 36. 



Distribution. Each member of Congress has a number of copies of the Annual 

 reports and Bulletins at his disposal. The quota allowed the Bureau is dis- 

 tributed mainly to libraries and institutions of learning and to collaborators and 

 others engaged in anthropological research or in instruction. A part of the 

 edition is held for sale by the Superintendent of documents, Government print- 

 ing office, Washington, D. C. 



ASTROPHYSICAL OBSERVATORY. 



Address. Smithsonian Institution, Washington, D. C. Director: C. G. 



Abbot. 

 History. Established in 1890. Its special field is the study of solar 



radiation. 

 Publications. 



ANNALS . . . v. I. Washington, 1900. fol. 



v. I published also in 1902 as Exhibit B in 57th Cong., 1st sess. Senate. Doc. 

 no. 20, and as a reprint from it. Contains the results of bolometric investi- 

 gations of the infra-red solar spectrum by S. P. Langley, director, aided 

 by C. G. Abbot. 



v. 2 in press. 



The 1900 solar eclipse expedition of the Astrophysical observatory of 

 the Smithsonian institution. Washington, 1904. 4. 



Society for Philosophical Inquiry. 



Address. Washington, D. C. President: J. Macbride Sterrett, George 



Washington University. 

 History. Organized Jan. 20, 1893. 

 Object. Discussion of the problems of pure philosophy, both historically and 



formally. 

 Meetings. ist and 3d Tuesdays, Nov. to May, at George Washington University; 



additional meetings on alternate Tuesdays when desired. 

 Membership. 50. 



Publications. 



Memoirs . . . [ist series] 1893-1901; 2d series, 1901-1903. Lan- 

 caster, Pa., [1901-03]. 2V. 8. 

 Distribution. Copies sent to learned societies and institutions. 



