368 General Monthly Meeting [May 9 y 



Boston Public Library— Bulletin 4.S. Vol. III. No. 1. Svo. 1921. 

 Boston Society of Natural History — Memoirs, Vol. VIII. No. 3. 4to. 

 1919. 



Proceedings, Vol. XXV. Nos. 4-6. 8vo. 1917-20. 



Occasional Papers, No. 7. 8vo. 1917. 

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



Nos. 11-12. 4to. 1921. 

 British Astronomical Association — Journal, Vol. XXXI. No. 6. 8vo. 1921. 



Memoirs, Vol. XXIII. Part 2. 8vo. 1921. 

 British Dental Association — Journal, Vol. XLII. Nos. 8-9. 8vo. 1921. 

 British Horological Institute— The Horological Journal, May 1921. 8vo. 

 Carnegie Institution, Mount Wilson Observatory — Contributions to National 

 Academy of Sciences, No. 70. 8vo. 1921. 



Contributions from Mount Wilson Solar Observatory, Nos. 189-192. 8vo~ 

 1921. 



Annual Eeport of Director, 1920. 8vo. 1921. 

 Caxlon Press Ltd.— Motionism. By E. J. M. Morris. 8vo. 1919. 

 Chemical Industry, Society of — Journal, April, 1921. 8vo. 

 Chemical Society — Journal and Proceedings, April 1921. Svo. 

 Chemistry, Institute of — Journal and Proceedings, 1921, Part 2. 8vo. 

 Clifford, Lord— The Portal of Evolution. 8vo. 1918. 

 Colombia University — Parallaxes of 260 Stars. By S. A. Mitchell. 4to. 



1920. (Adams Fund Publications, No. 9.) 

 Colonial Institute, Royal — United Empire, Vol. XII. Nos. 4-5. 8vo. 1921. 

 Cornwall Polytechnic Society, Royal — 87th Annual Report (N.S. Vol. IV.. 



No. 3). 8vo. 1920. 

 East India Association — Journal, Vol. XII. No. 2. 8vo. 1921. 

 Editors— Athenseum, April 1921. 4to. 



British Engineers' Journal, April 1921. 4to. 



Chemical News, April 1921. 8vo. 



Chemist and Druggist, April 1921. 8vo. 



Dyer and Calico Printer, April 1921. 4to. 



Engineer, April 1921. fol. 



Engineering, April 1921. fol. 



Journal of Physical Chemistry, March 1921. 8vo. 



Junior Mechanics, April 1921. 8vo. 



Law Journal, April 1921. Svo. 



Model Engineer, April 1921. Svo. 



Musical Times, April 1921. 8vo. 



Nature, April 1921. 8vo. 



New Cburch Magazine, May-June, 1921. 8vo. 



Science Abstracts, March 1921. 8vo. 



Wireless World, April 1921. Svo. 

 Electrical Engineers, Institution of — Journal, Vol. LIX. No. 298. 4to. 



1921. 

 Faraday Society — Transactions, Vol. XVI. Part 2. 8vo. 1921. 

 Franklin Institute — Journal, April 1921. 8vo. 



Gauthier-Yillars A Co. {The Publishers) — Carnot, L. La Metaphysique, 2 

 vols. 12mo. 1921. 



Clairaut, A. C. Geometrie, 2 vols. 12mo. 1920. 



Lavoisier & La Place. La Chaleur. 12mo. 1920. 



Bragg, Sir W. & W. L. Rayons X et Structure Cristalline. Svo. 1921. 

 Geneva, Societe de Physique — Compte Rendu des Seances, Vol. XXXVIII. 



No. 1. Svo. 1921. 

 Geographical Society, Royal- -Journal, Vol. LVII. Nos. 4-5. Svo. 1921. 

 Geological Society of London — Abstracts of Proceedings, No. 1070. 8vo. 1921. 

 George Williams Hooper Foundation for Medical Research — Collected Reprints, 

 Vol. V. 8vo. 1919-20. 



