1922] General Monthly Meeting 555 



Pennsylvania University — Contributions frorn the Botanical Laboratory, 



Vol. V. No. 2. 8vo. 1920. 

 Peruvian Association for the Progress of Science — Archivos, Tome I. Fasc. 1. 



8vo. 1921. 

 Pharmaceutical Society of Great Britain — Journal, March 1922. 8vo. 

 Philadelphia, Academy of Natural Sciences — Proceedings, Vol. LXXIII. Part 1. 



8vo. 1921. 

 Photographic Society, Royal— Journal, N.S., Vol. XLVI. No. 4. 8vo. 1922. 

 Physical Society— Proceedings, Vol. XXXIV. Part 2. 8vo. 1922. 

 Post Office Electrical Engineers, Institution of — Papers, No. 82. Svo. 1921. 

 Rockefeller Institute for Medical Research — Studies, Vol. XXXVIII. Svo. 1921. 

 Rome, Ministry of Public Works — Giornale del Genio Civile, Jan. 1922. Svo. 

 Rontgen Society — Journal, Vol. XVIII. No. 70, Jan. 1922. Svo. 



List of Members, 1921-22. Svo. 

 Royal Dublin Society— Scientific Proceedings, Vol. XVI. (N.S.) Nos. 14-31. 



Svo. 1920-22. 

 Royal Engineers' Institute — Journal, Vol. XXXV. No. 4. Svo. 1922. 

 Royal Society of Arts — Journal, March 1922. 8vo. 



Royal Society of Edinburgh — Proceedings, Vol. XLI. Part 2. Svo. 1921. 

 Royal Society of London— Proceedings, A, Vol. C. No. 707 ; B, Vol. XCIII. 

 No. 651. 8vo. 1922. 

 Pbilosophical Transactions, A, Vol. CCXXII. Nos. 598-600. 4to. 1922. 

 Sanitary Institute, Royal — Journal, Vol. XLII. No. 5. 8vo. 1922. 

 Smithsonian Institution — Miscellaneous Collections, Vol. LXVII. No. 7 : 

 Vol. LXXII. No. 12. Svo. 1921. 

 Annual Report, 1919. 8vo. 1921. 

 Statistical Society, Royal — Catalogue of the Library. Svo. 1921. 

 Swiss Chemical Society — Helvetica Chimica Acta, Vol. V. Fasc. 2. Svo. 1922. 

 United States Bureau of Standards — Scientific Papers, Nos. 4L7, 421-427. 

 Svo. 1922. 

 Technologic Papers, Nos. 170, 196-206. 8vo. 1922. 

 Circulars, Nos. 38 (4th ed.), 42 (2nd ed.), 113, 115, 117, 118. Svo. 1921. 

 Annual Report of the Director, 1921. Svo. 

 Miscellaneous, No. 48. 8vo. 1922. 

 United States Library of Congress — Annual Report, 1921. 8vo. 

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



CCXCVI. No. 1. 8vo. 1922. 

 Washington, National Academy'of Sciences — Proceedings, Vol. VIII. Nos. 1-3. 

 Svo. 1922. 



