276 



Presents. 



[Dec. 22, 



Observations (continued). 



Washington : — United States' Naval Observatory. Astronomical and 

 Meteorological Observations made .... during the year 1867. 4to. 

 Washington 1870. The Observatory. 



De la Rive (A.), For. Mem. R. S. Recherches sur la Polarisation rotatoire 



magnetique des Liquides. 8vo. Geneve 1870. The Author. 



Orsoni (F.) Le Anidridi e gli ossidrili della Teoria Atomica. 8vo. Sciacca 



1870. The Author. 



Romano (Antonio) Esposizione di quattro nuove Scoperte. II Moto per- 



petuo o continuato per quattro leggi e per due sistemi diversi . . . 8vo. 



Como 1870. The Author. 



Swan (W.) Obituary Notice of Sir David Brewster. 8vo. Edinburgh 



1870. The Author. 



Wahltueh (Marco) Psicografia. 8vo. Napoli 1870. The Author. 



December 22, 1870. 



Transactions. 



Berlin: — Konigl. Akademie der Wissenschaften. Abhandlungen aus 



dem Jahre 1869. 2 vols. 4to. Berlin 1870. Monatsbericht, Marz- 



Juli 1870. 8vo. Berlin. The Academy. 



Buenos Aires : — Museo Publico. Anales, por German Burmeister. En- 



trega 7. 4to. Buenos Aires 1870* The Director. 



Jena : — Medicinisch-naturwissenschaftKche Gesellschaft. Jenaische Zeit- 



schrift fiir Medicin und Naturwissenschaft. Band Y. Heft 3, 4. 



8vo. Leipzig 1870. The Society. 



Leeds : — Philosophical and Literary Society. The Annual Report for 



1869-70. 8vo. Leeds 1870. The Society, 



London : — Royal Colonial Institute. Proceedings. Vol. I. 1869. 8vo. 



London 1870. The Institute. 



Milan : — Societa Italiana di Scienze Natural!. Atti. Vol. XII. fasc. 3, 4. 



8vo. Milano 1870. The Society. 



Reports. 



Washington : — Department of Agriculture. Annual Report, 1867-68. 

 2 vols. 8vo. Washington 1868-69. Monthly Report, 1868-69. 

 2 vols. 8vo. Washington 1868-69. The Department. 



United States' Patent Office. Annual Report of the Commissioner of 

 Patents for the year 1867. 4 vols. 8vo. Washington 1868. 



The Office. 



