1910-11.] List of Library Exchanges, Presentations, etc. 
Belgica — Zoologie — continued — 
Insectes : — Introduction, par G. Severin, 1906. Orthopteres, par 
C. Brunner von Wattenwyl. Hemipteres, par E. Bergroth. 
Coleopteres, par E. Rousseau, A. Grouvelle, H. Schouteden, 
E. Brenske, H. Boileau, J. Bourgeois, E. Olivier, L. Eair- 
maire, G. Stierlin, A. Bovie, A. Lameere. 
Hymenopteres, par J. Tosquinet, C. Emery, E. Andre, J. Vaclial. 
Dipteres, par J. Ch. Jacobs, Th. Becker, E. H. Riibsaamen. 
Schizopoda and Cumacea, by H. J. Hansen, 1908. 
Geologie: — Les Glaciers, par H. Arctowski, 1908. Etude des 
Roches, par A. Pelikan. Quelques Plantes Fossiles des Terres 
Magellaniques, par A. Gilkinet, 1909. 
Physique du Globe: — Mesures Pendulaires, par G. Lecointe, 1907. 
Oceanographie : — Relations Thermiques, par H. Arctowski et H. R. 
Mill, 1908. Les Glaces, par H. Arctowski, 1908. 
Botanique : — Diatomees, par H. Van Heurck, 1909. 
Biddlecombe, A. Thoughts on Natural Philosophy and the Origin of 
Life. Newcastle-on-Tyne, 1909. 8vo. 
Bidlingmaier (Dr Friedrich). Der Doppelkompass seine Theorie und 
Praxis. ( Deutsche Sudpolar-Exped. V., Erdmagnetismus I.) 
1907. 4 to. 
Black, F. A. Problems in Time and Space. London, 1909. 8vo. 
Bright (Charles), E.R.S.E. The Life Story of Sir Charles Tilston 
Bright. London, 1908. 8vo. 
Brioschi, Francesco. Opere Matematiche. (Y.) and last. Milan, 
1909. 4to. 
Cabreira (Antonio). Les Mathematiques en Portugal. Lisbon, 1910. 
8vo. 
Carte Geologique Internationale de l’Europe. Livraison VII. Berlin, 
1911. Eol. 
Casson (Herbert N.). Cyrus Hall M‘Cormick : His Life and Work. 
Chicago, 1909. 8vo. 
Catalogue of a Collection of Early Printed Books in the Library of the 
Royal Society. London, 1910. 4to. 
Catalogue of the Dante Collection in the Library of University 
College, London. By R. W. Chambers. London, 1910. 4to. 
Catalogue of the Library of the Patent Office. Authors (Supplement 
and Appendix). London, 1910. 4to. 
Chumley (James). Bibliography of Limnological Literature compiled 
in the Challenger Office. Edinburgh, 1910. 8vo. 
Clarke (William Eagle). Ornithological Results of the Scottish 
National Antarctic Expedition. — III. On the Birds of the Weddell 
and Adjacent Seas, Antarctic Ocean. (Reprinted from The Ibis.) 
1907. 8vo. 
Cockayne (L.), Ph.D., F.L.S. New Zealand Plants and their Story. 
( Presented by the Minister of Education.) Wellington, 1910. 8vo. 
Contributions from the Bureau of British Marine Biology. Series 2. 
No. 2 (Title Nos. 93-174). London, 1910. 8vo. 
VOL. XXXI. 
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