196 



Presents. 



[Feb. 22, 



Rayet (G.) Memoire sur les Raies brillantes du Spectre de 1* Atmosphere 

 solaire et sur la Constitution physique du Soleil. 4to. Paris 1871. 



The Author. 



February 22, 1872. 



Transactions. 



Birmingham : — Institution of Mechanical Engineers. Proceedings, 1871, 

 27 April, 25, 26 July (2 parts), 26 October. 8vo. Birmingham. 



The Institution. 



Calcutta : — Asiatic Society of Bengal, Journal, 1871 ; Part I. No. 1, 2 ; 

 Part II. No. 1-3. Proceedings, 1871. No. 2-11. 8vo. 



The Society. 



London : — Entomological Society. Transactions for 1871. Part 1-5. 8vo. 

 Catalogue of British Neuroj)tera, by R. M c Lachlan. 8vo. London 

 1870. Catalogue of British Hymenoptera Aculeata, by F. Smith. 

 8vo. London 1871. The Society. 



London Institution. Journal. No. 7—11. 8vo. 1871-72. 



The Institution. 



National Association for the Promotion of Social Science. Transac- 

 tions, edited by Edwin Pears. Leeds Meeting, 1871. 8vo. Lon- 

 don 1872. The Association. 



Royal College of Surgeons. Catalogue of the Calculi and other Animal 

 Concretions contained in the Museum, by Thomas Taylor. Sup- 

 plement I. 4to. London 1871. The College. 



Aitken (Dr. Wm.) The Science and Practice of Medicine. Sixth Edition. 

 2 vols. 8vo. London 1872. The Author. 



Chasles (M.), For. Mem. R.S. Rapport sur les progres de la Geometric 

 8vo. Paris 1870. The Author. 



Darwin (C), F.R.S. The Origin of Species by means of Natural Selec- 

 tion. Sixth Edition. 8vo. London 1872. The Author. 



Demidoff (Prince Anatole) La Toscane, par Andre Durand. Liv. 20. fol. 

 Paris 1870. 



Edlund (E.) Recherches sur la force electromotrice dans le contact des 



Metaux et sur la Modification de cette force par la chaleur. 4to. 



Stockholm 1871. The Author. 



Ercolani(G. B.) Delperfetto ermafroditismo delle Anguille. 4to. Bologna 



1872. The Author. 



Lipschitz (R.) Untersuchung eines Problems der Variations-rechnung, 



in welchem das Problem der Mechanik enthalten ist. 4to. Berlin. 



The Author. 



Wirtembergisches Urkundenbuch, herausgegeben von dem Koniglichen 

 Staatsarchiv in Stuttgart. Band III. 4to. Stuttgart 1871. 



The Wurternberg Government. 



