76 REPORT OB^ THE SECRETARY. 



order is the same as in the tal)le on page vii. In the Section of Biography the titles 

 are placed under tlie names of the persons described, with cross references from the 

 authors. 



1171. Index to the Literature of Thallium, lS61-18^t6, by Martha Doan, Octavo 

 pamphlet of 26 pages. 



1173. Index to the Literature of Zirconium, l)y A. C. Langnmir and Charles 

 Baskerville. Octavo pamphlet of 29 pages. 



III. SMITHSOXIAX .\XXL'.\L REPORTS. 



The Smithsonian Reports for 1896 and 1897, except the 1897 IMuseum volume, were 

 distributed during this tise-al year, their completion having been unavoidably delayed. 

 The separate papers of the Smithsonian volume of the 1896 report were enumerated 

 in detail in the last report of the editor, as also were the general contents of the 1897 

 volume. Neither the 1898 Smithsonian volume nor the 1897 and 1898 Museum 

 volumes of the repoit had been completed at the close of the year. 



1166. Ainmal Report of the Board of Regents of the Smithsonian Institution, 

 showing the operations, expenditures, and condition of the Institution for the year 

 ending June 30, 1896. Report of the United States National Museum. Washington; 

 (jrovernment Printing Otiice, 1898. 8°. xxiv+1,107 pages, with 175 plates. 



1167. Annual Report of the Board of Regents of the Smithsonian Institution, 

 showing the operations, expenditures, and conilition of the Institution to July, 1897. 

 Washington: Government Printing Office, 1898. 8°. xIvii-f-686 pages, with 92 

 plates. 



IV. I'APEIiS FRO.M SMITHSOXIAX REPORTS. 



1088. Report of S. P. Langley, Secretary of the Smithsonian Institution, for the 

 year ending June 30, 1897. Octavo i)amphlet of 80 pages, with 5 ]jlates. 



1127. Journal of Proceedings of the Board of Regents of the Smithsonian Institu- 

 tion. Report of executive committee. Acts and resolutions of Congress. (From 

 the Smithsonian Rejwrt for 1897.) Octavo pamphlet of 38 pages. 



1128. Aspects of American Astronomy, by Simon Newcomb. (From the Smith- 

 sonian Report for 1897.) Octavo pamphlet of 11 pages. 



1129. The Beginnings of American Astronomy, by Edward S. Holden. (From 

 the Smithsonian Report for 1897.) Octavo jjamphlet of 8 pages. 



1130. The Evolution (jf Satellites, by G. 11. Darwiii. (From Smithsonian Report 

 for 1897.) Octavo pamphlet of 16 pages. 



1131. Electrical Advance in the Past Ten Years, by Elihu Thomson, (From the 

 Smithsonian Report for 1897.) Octavo pamphlet of 12 pages. 



1132. The X-Rays, by W. C. RiHitgen. (From Smithsonian Report for 1897.) 

 Octavo pamphlet of 19 pages. 



1133. Cathode Rays, by J. J.. Thomson. (From Smithsonian Report for 1897.) 

 Octavo pamphlet of 12 pages with 3 plates. 



1134. Story of Experiments in Mechanical Flight, by S. P. Langley. (From 

 Smithsonian Report for 1897.) Octavo pamphlet of 13 pages, with 1 plate. 



1135. On Soaring Flight, by E. C. Huffaker, with introduction by S. P. Langley. 

 (From Smithsonian Report for 1897.) Octavo pamphlet of 24 jmges. 



1136. The Revival of Alchemy, by H. C. Bolton. (From Smithsonian Report tor 

 1897.) Octavo pamphlet of 11 pages. 



1137. Diamonds, by William Crookes. (From Smithsonian Report for 1897.) 

 Octavo pamphlet of 17 pages. 



1138. The Discovery of New Elements within the last Twenty-five Years, by 

 Clemens Winkler. (From Smithsonian Report for 1897.) Octavo pamphlet of 10 



