1920] General Monthly Meeting 239 



Queensland Museum — Memoirs, Vol. VII. Part 1, June 1920. 8vo. 



Rigid, J. A., Esq. — Sulla Teoria della Relativita, Memoria IV., del Prof. 



Sen. A. Righi. 4to. 1920. (2 copies — the last work of Prof. Righi.) 

 Rockefeller Institute for Medical Research — Studies, Vols. XXXII.-XXXIII. 



8vo. 1920. 

 Rome, Ministry of Public Works — Giornale del Genio Civile, June-Sept. 1920. 



8vo. 

 Rontgen Society — Journal. Vol. XVI. Xo. 64. 8vo. 1920. 

 Roumanian Academy — Bulletin Scientifique, 1919-20, Nos. 1-4. 8vo. 1920. 

 Royal Engineers 1 Institute — Journal, Vol. XXXII. Xos. 2-4. 8vo. 1920. 

 Royal Irish Academy — Proceedings, Vol. XXXV., A, Nos. 1-2 ; B. Nos. 3-6 ■ 



C, Nos. 9-11. 8vo. 1919-20. 

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

 Royal Society of Edinburgh — Transactions, Vol. LII. Part 3. 8vo. 1920. 

 Royal Society of London — -Philosophical Transactions, A, Vol. CCXXI. Nos 

 584-588 ; B, Vol. CCX. Nos. 374-376. 4to. 1920. 

 Proceedings, A, Vol. XGVII. No. 687-689 ; B, Vol. XCI. No. 640. 8vo 

 1920. 

 Sanitary Institute, Royal — Journal, Vol. XLI. Nos. 1-2. 8vo. 1920. 

 Scottish Geographical Society, Royal — ScoLtish Geographical Magazine Vol 



XXXVI. Xos. 3-4. 8vo. 1920. 

 Smithsonian Institution — Miscellaneous Collections, Vol. LXVII. Nos. 5-6 ■ 

 Vol. LXIX. Xo. 5 ; Vol. LXX. No. 4 ; Vol. LXXI. Xos. 2-6 ; Vol. LXXII. 

 Nos. 1-2. 8vo. 1919-20. 

 Annual Report, 1917. Svo. 1919. 

 Report on U.S. National Museum, 1919. Svo. 1920. 

 Societd degli Spettroscopisti Italiani — Memorie, Vol. VIII. Disp. 10-12 4to 



1919. 

 South Africa, Union of, Department of Agriculture — Journal, 1920, Nos. 2-6 

 8vo. 

 Botanical Survey Memoirs, No. 1. 8vo. 1920. 

 Statistical Society, Royal — Journal, Vol. LXXXIII. Parts 3-4. Svo. 1920. 

 Surgeons, Royal College of — Calendar, 1920. Svo. 

 Swiss Chemical Society — Helvetica Chimica Acta, Vol. II. Fasc. 5. Svo 



1920. 

 Tuhoku Imperial University, Japan — Technology Reports, Vol. I. Nos. 1-3. 

 8vo. 1920. 

 Science Reports, Vol. IX. No. 3. Svo. 1920. 

 Mathematical Journal, Vol. XVII. Nos. 3-4. Svo. 1920. 

 United States Bureau of Standards — Scientific Papers, Nos. 366-367 369 

 371, 373, 375, 376. Svo. 1920. 

 Technologic Papers, Nos. 152-153, 15S, 161. Svo. 1920. 

 Circulars 89, 91, 93-94. 8vo. 1920. 

 Weights and Measures Conference, 1919. 8vo. 1920. 

 United States Department of Agriculture — Journal of Agricultural Research 

 Vol. XIX. Nos. 6-11. 8vo. 1920. 

 Experiment Station Record, Vol. XLII. Nos. 7-9 ; Vol. XLIII. Nos. 1-4 

 8vo. 1920. 

 United States Geological Survey — Water Supplv Papers, Nos. 380, 389, 390, 

 402, 401, 406-408, 415, 417, 418, 420, 421, 423-436, 43S. 8vo. 1916-18. 

 Professional Papers, Nos. 108 a, b, e, k. 4to. 1917. 

 Bulletin, Nos. 640 k-l, 641 l, 656, 658, 660 c, 661 b-g, 653-665,667, 670, 672, 



6S0-681, 690 e, 691 d. Svo. 1917-18. 

 Minerals, etc., 1915-16. Svo. 1916-18. 

 United States Patent Office — Official Gazette, Vol. CCLXXV. No. 3-Vol. 



CCLXXIX. No. 1. Svo. 1920. 

 Upsala, Observatoire Meteorologique — Les Vitesses du Vent, etc., Hilde- 

 brandsson. Svo. 1920. 

 Bulletin Mensuel, Vol. LI. 1919. 4to. 1920. 



