250 General Monthly Meeting. [Nov. 6, 



Contributions to Knowledge, Vol XXVII. No. 3, Langley Memoir on 



Mechanical Flight. 4to. 1911. 

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No. 8-9 ; Vol. VIII. Nos. 1-3. 8vo. 1911. 

 South Africa, Union of — Agricultural Journal for June-Sept. 1911. 8vo. 

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 Tasmania, Boyal Society of — Proceedings, 1902-10. 8vo. 

 Toronto, University o/— Studies : Chemical, Nos. 90-93; Physical, No. 36; 



Biological, No. 9. 8vo. 1910-11. 

 Turner, Professor II. H., D.Sc. F.R.S. — The Oxford Astrographic Catalogue, 



Vol. VII. 4to. 1911. 

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 United States Department of Aqriculturc — Experiment Station Record, Vol. 



XXIV. Nos. 7-8 ; Vol. XXV. No. 1-3. 8vo. 1911. 

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at Magnetic Observatory, Honolulu, 1907-8. 4to. 1911. 

 United States, Department of the Interior — Geological Survey — Professional 



Paper, No. 72. 4to. 1911. 

 Bulletin, Nos. 431, 436, 438, 439, 441, 443, 445-447, 449, 450, 452, 453, 457- 



465, 469, 472, 473. 8vo. 1910. 

 Water Supply Papers, Nos. 256-258, 265, 270, 274. 8vo. 1911. 

 Annual Reports, 1910 : Commissioner of Education, 2 vols. ; Administrative, 



2 vols. 8vo. 1911. 

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1911. 

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1911. 

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Heft 6-8. 4to. 

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Jahrbuch, 1910, Heft 4 ; 1911, Heft 1-2. 8vo. 1910-11. 

 Venice, Boyal Institute of Science and Art — L'Ateueo Veueto, 1908, Vol. I. 



Fasc. 2-3; Vol. II.; 1909-11, Vol. I.-II. Fasc. 1. Svo. 1908-11. 

 Warsaw, Academy of Sciences — Comptes Rendus, Vol. IV. No. 4-5. Svo. 1911. 

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1911. 

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1911. 

 Statistical Abstract for March-May, 1911. 4to. 

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1911. 

 Yorkshire Philosophical Society — Report for 1910. Svo. 1911. 

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