370 General Monthly Meeting [May 9, 



Scottish Geographical Socicti/, Royal — Scottish Geographical Magazine, Vol. 



XXXVII. No. 2. 8vo. 1921. 

 Smithsonian Institution — Miscellaneous Collections, Vol. LXXII. Nos. 4-5. 



8vo. 1920. 

 South Africa, Union of, Department of Agriculture — Journal, 1921, Nos. 3-4. 



8vo. 

 Statistical Society, Royal— Journal, Vol. LXXXIV. Part 2. 8vo. 1921. 

 Stonyhurst College Observatory — Observations, 1920. 8vo. 1921. 

 Siveden, Royal Academy of Sciences — Handlingar, Bd. LX. Nos. 1-9. 4to. 1919. 

 Arkiv : Matematik, Bd. XIV. No. 4, Bd. XV. Nos. 1-2 ; Kemi, Bd. VII. 

 No. 6, Bd. VIII. Nos. 1-2; Botanik, Bd. XVI.; Zoologi, Bd. XII. 

 o Nos. 3-4, Bd. XIII. Nos. 1-2. 8vo. 1920-21. 

 Arsbok, 1920. Svo. 



Lefnadsteckningar, Bd. V. No. 2. 8vo. 1920. 

 Meddelanden, Bd. IV. No. 1. Svo. 1920. 

 Les Prix Nobel, 1914-1918. Svo. 1920. 

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



1921. 

 United States Bureau of Standards— Annual Report, 1920. 8vo. 

 Scientific Papers, Nos. 395-398, 400. Svo. 1920. 

 Technologic Papers, Nos. 167, 172, 174, 176-177. 8vo. 1920. 

 Circulars, Nos. 102-105. Svo. 1920. 

 United States, Department of Agriculture — Journal of Agricultural Research, 

 Vol. XX. No. 11. 8vo. 1921. 

 Experiment Station Record, Vol. XLIV. No. 3. 8vo. 1921. 

 United States Patent Office— Official Gazette, Vol. CCLXXXIV. No. 2 ; Vol. 



CCLXXXV. No. 1. 8vo. 1921. 

 Vienna, Geologischen Staatsanstalt — Verhandlungen, 1920, Nos. 4-12 ; 1921, 

 No. 1. Svo. 

 Jahrbuch, 1919, Heft 3-4 ; 1920, Heft 1-4. Svo. 1920-21. 

 General Register : Jahrbuch, Band 51-60 ; Verhandlungen, 1901-1910. Svo. 

 1920. 

 Zoological Society — Proceedings, 1921, Part 1. 8vo. 

 Report, 1920. 8vo. 1921. 



WEEKLY EVENING MEETING, 

 Friday, May 13, 1921. 



Sir James Reid, Bart., G.C.Y.O. K.C.B. M.D. LL.D., 



Vice-President, in the Chair. 



William Batesox, M.A. F.R.S. 

 The Determination of Sex. 



[No Abstract.] 



