1871.] 



Presents. 



419 



Goodeve (T. M.) The Elements of Mechanism. 12mo. London 1871. 



The Author. 



Grove (YVVB.), F.B.S. Die Verwandtschaft der Naturkrafte. Deutsche 

 autorisirte Ausgabe, herausgegeben durch E. von Sehaper. 8vo. 

 Braunschweig 1871. The Author. 



Eoscoe (H. E.), F.B.S. Spectrum Analysis. Six Lectures delivered in 

 1868 before the Society of Apothecaries of London. 8vo. London 

 1870. Die Spectralanalyse. Autorisirte deutsche Ausgabe, bearbeitet 

 von C. Schorlemmer. 8vo. Braunschweig 1870. The Author. 



March 9, 1871. 



Transactions. 



Berlin : — Akademie der Wissenschaften. Monatsbericht, August-De- 

 cember 1870. 8vo. Berlin. The Academy. 



Edinburgh : — Eoyal Scottish Society of Arts. Transactions. Yol. VIII. 

 Part 2. 8vo. Edinburgh 1870. The Society. 



Glasgow: — Philosophical Society. Proceedings, 1868-70. Vol. VII. 

 No. 1, 2. 8vo. Glasgow 1869-70. The Society. 



London : — Eoyal United Service Institution. Journal. Vol. XIV. No. 

 58-61. 8vo. London 1870. The Institution. 



Observations. 



Leyden : — Annalen der Sternwarte, herausgegeben von F. Kaiser. Band 

 II. 4to. Haag 1870. Prof. Kaiser. 



Adams (J. W.) American Interoceanic Ship Canals. 8vo. New York 

 1870. The Author. 



Anderson (B.) Narrative of a Journey to Musardu. 8vo. New York 

 1870. The Author. 



Benson (Wm.) Manual of the Science of Colour. 12mo. London 1871. 



The Author. 



Du Bois Eeymond (Emil) Speech on the German War, Aug. 30, 1870. 

 8vo. London 1870. The Author. 



Hitchcock (C. H.) First Annual Eeport upon the Geology and Minera- 

 logy of the State of New Hampshire. 8vo. Manchester (U. S.) 1869. 



The Author. 



Lea (Isaac) Index to Vol. XII., and Supplementary Index to Vol. I. to 

 XI. of Observations on the Genus TJnio. 4to. Philadelphia 1869. 



The Author. 



Lewis (Tayler) State Eights : a Photograph from the Euins of Ancient 

 Greece. 8vo. Albany 1865. The Author. 



