236 General Monthly Meeting [Nov. 1, 



American Geographical Society— Geographical Review, April Sept. 1920. 8vo. 

 Antiquaries, Society of — Archaologia, Vol. LXIX. 4to. 1920. 



Proceedings, Second Series, Vol. XXXI. 8vo. 1920. 

 Asiatic Society, Royal — Journal, July-Oct. 1920. 8vo. 



Astronomical Society, Royal — Monthly Notices, Vol. LXXX. Nos. 7-8, 1920. 

 8vo. 

 Memoirs, Appendix to Vol. LXII. 1920. 8vo. 

 Australia, Commonwealth of— Science and Industry, May-July, 1920. 8vo. 



Bulletin, No. 18. 8vo. 1920. 

 Bankers, Institute of— Journal, Vol. XLI. Part 7. 1920. 8vo. 

 Batavia, Royal Meteorological Observatory — Regenwaarnemingen in Neder- 

 landsch-Indie, 1915, Deel II. ; 1916, Deel, II. 8vo. 1916-18. 

 Observations, Vols. XXXVI., XXXVIII. 4to. 1916-20. 

 Belfast Natural History and Philosophical Society— Proceedings, 1918-19; 



1919-20, No. 3. 8vo. 1920. 

 Belgium, Royal Academy— Bulletin, 1920, Nos. 4-6. 8vo. 

 Bemrose Publishing Co. {Publishers) — Chamber of Commerce Register, 1920, 



2 vols. 8vo. 

 Bibliographical Society — The Library, New Series, Vol. I, No. 2. 8vo. 



1920. 

 Bolton Chamber of Commerce — Bolton: its Trade and Commerce, 1919. 8vo. 



1920. 

 Boston Public Library— Bulletin, Fourth Series, Vol. II. No. 2. 8vo. 1920. 



Sixty-Eighth Annual Report of the Trustees, 1919-20. 8vo. 

 Botanic Society, Royal — Quarterly Summary, No. 5. 8vo. 1920. 

 Bowen, C. Winthrop, Esq. — The American Historical Review, April 1920. 

 8vo. 

 The New York Genealogical and Biographical Record, January 1920. 

 8vo. 

 Brewster, G. W., Esq. (the Author) — Relativity and the recent Astronomical 



Discovery. 8vo. 1919. 

 British Architects, Royal Institute of — Journal, Third Series, Vol. XXVII. Nos. 



17-20. 4to. 1920. 

 British Astronomical Association — Journal, Vol. XXX. Nos. 9-10. 1920. 8vo. 

 Memoirs, Vol. XXI. Part 4. 8vo. 1920. 

 List of Members, 1920. 8vo. 

 British Dental Association — Journal, Vol. XLI. Nos. 14-21. 8vo. 1920. 

 Cambridge Observatory — Report of Observatory Syndicate, 1919-20. 8vo. 



1920. 

 Cambridge Philosophical Society — Transactions, Vol. XXII. Nos. 21-22. 4to. 



1920. 

 Canada, Department of Mines — Memoirs, Nos. 115-117. 8vo. 1919. 

 Bulletin, No. 31. 8vo. 1920. 



Preliminarv Report on Mineral Production, 1919. 8vo. 1920. 

 Summary Report, 1919, Parts B, D, and G. 8vo. 1920. 

 Munitions Resources Commission Report. 8vo. 1920. 

 Carnegie Endowment for International Peace — Manual of the Public Benefac- 

 tions of Andrew Carnegie. 8vo. 1920. 

 Carnegie Institution — Mount Wilson Observatorv, Report of the Director, 

 1919. 8vo. 

 Contributions to National Academy of Sciences, Nos. 65-68. 8vo. 1920. 

 Contributions from Mount Wilson Solar Observatory, Nos. 171-182. 8vo. 



1920. 

 The Interferomefcrv of Reversed and Non-Reversed Spectra, Parts 1-4. By 



Carl Barus. 8vo. 1916-19. 

 Elliptic Interferences in Interferons etry, Parts 1-3. By C. Barus. 8vo. 



1911-14. 

 Experiments with the Displacement Interferometer. By C. Barus. 8vo. 

 1915. 



