230 General Monthly Meeting [June 7, 



Horological Institute, British— Journal, Vol. LXII. No. 741, May, 1920. 8vo. 

 John6 Hopkins University — American Journal of Philology, Vol. XLI. No. 1. 



8vo. 1920. 

 London County Council — Gazette, May 1920. 4to. 

 London Society — Journal, May 1920. 8vo. 

 Marconi's Wireless Telegraph Co. — Year Book of Wireless Telegraphy, 1920. 



8vo. 

 Mersey Conservancy — Report on Navigation of River Mersey, 1919. 8vo. 1920. 

 Meteorological Office — Daily Readings, Feb.-March 1920. 4to. 

 Meteorological Society, Royal — Journal, Vol. XLVI. No. 194. 8vo. 1920. 

 Monaco, Musee Ocianographigue — Bulletin, Nos. 364-367. 8vo. 1920. 

 Bulletin de la Commission pour l'Exploration de la Mer Mediterranee, 

 No. 3. Svo. 1920. 

 North of England Institute of Mining Engineers — Transactions, Vol. LXIX. ; 



Vol. LXX. Parts 1-2. Svo. 1919-20. 

 Pharmaceutical Society of Great Britain — Journal, May 1920. Svo. 

 Philadelphia, Academy of Natural Sciences — Proceedings, Vol. LXXI. Part 2. 



8vo. 1919. 

 Photographic Society, Royal — Journal, Vol. XLIV. Nos. 4-5. Svo. 1920. 

 Physical Society of London — Proceedings, Vol. XXXII. Part 3. Svo. 1920. 



List of Fellows, 1920. 8vo. 

 Rome, Ministry of Public Works — Giornale del Genio Civile, Feb.-March 1920. 



8vo. 

 Rontgen Society— Journal, Vol. XVI. No. 63. 8vo. 1920. 

 Royal Engineers' Institute — Journal, Vol. XXXI. No. 6. Svo. 1920. 

 Royal Society of Arts — Journal, May 1920. Svo. 



Royal Society of Edinburgh — Proceedings, Vol. XL. Part 1. Svo. 1920. 

 Royal Society of London — Philosophical Transactions, A, Vol. CCXX. No. 580. 

 4to. 1920. 

 Proceedings, A, Vol. XCVII. No. 684 ; B, Vol. XCI. No. 638. Svo. 1920. 

 Year Book, 1920. Svo. 

 Royal United Service Institution — Journal, Vol. LXV. No. 458, May 1920. 8vo. 

 Salford, Borough of — Report of Museum and Libraries Committee, 1918-19. 



8vo. 1920. 

 Sanitary Institute, Royal— Journal, Vol. XL. No. 5. Svo. 1920. 

 South Africa, Union of, Department of Agriculture — Journal, 1920, No. 1. Svo. 

 Sweden, Royal Academy of Sciences — Handlingar, Band LIV. LVIII. LIX. 

 4to. 1915-19. 

 Arkiv: Botanik, Band XV. 3-4 ; Kemi, Band VII. 4-5; Zoologi, Band XII. 

 1-2. 8vo. 1919. 

 Arsbok, 1919. 8vo. 

 Swiss Chemical Society — Helvetica Chimica Acta, Vol. II. Fasc. 3. 8vo. 



1920. 

 United States Bureau of Standards — Scientific Papers, Nos. 356, 35S, 361. 364, 

 365, 368, 370. 8vo. 1920. 

 Technologic Papers, Nos. 62, 148-151, 154-156. Svo. 1920. 

 United States Department of Agriculture — Journal of Agricultural Research, 

 Vol. XIX. No. 2. Svo. 1920. 

 Experiment Station Record, Vol. XLII. Nos. 2-4. 8vo. 1920. 

 United States Geological Survey — Bulletin, No. 700. 8vo. 1919. 

 Water Supply Papers, No. 458. Svo. 1919. 

 Fortieth Annual Report, 1919. 8vo. 

 United States, Library of Congress— Report, 1919. 8vo. 1920. 

 United States Patent Office—' Official Gazette, Vol. CCLXXIII. No. 2-Vol. 



CCLXXIV. No. 2. "8vo. 1920. 

 Washington, National Academy of Sciences — Proceedings, Vol. VI. Nos. 2-3. 

 Svo. 1920. 

 Biographical Memoirs, Vol. VIII. Svo. 1919. 

 Yorkshire Philosophical Society — Annual Report, 1919. 8vo. 1920. 



