324 



an ounce separated by standing. The silver coins were also highly 

 corroded by sulphur, particularly where in contact with a German 

 silver piece and a couple of small notes, at that time so common, and 

 known by the vulgar but now almost historical name of shin-plasters. 



Stated Meeting, Jlpril 15. 



Present, twenty-three members. 



Judge Kane, Vice-President, in the Chair. 



Letters vv^ere read: — 



From A. L. Crelle, dated Berlin, 22d March, 1853, acknow- 

 ledging the receipt of notice of his election as a member of 

 the Society: — 



From the Royal Danish Society of Sciences, dated Copen- 

 hagen, 27th Sept. 1852, accompanying a donation for the Li- 

 brary: — 



From Lieut. J. M. Gilliss, dated Washington, 6th April, 

 1853, announcing a donation for the Library, made at his re- 

 quest, by the Council of the University of Chile. 



The following donations were announced: — 



FOR THE LIBRARY. 



Archives du Museum d'FIistoire Naturelle: Tome VI. livr. 3, 4. Pa- 

 ris, 1852. 4to. — From the P^'ofessoi's cf the Museum, 



Det Kongelige Danske Videnskabernes Selskabs Skrifter. Femte 

 Rcekke. Historisk og Philosophisk Afdeling. Forste Bind. 1852. 

 Kiobenhavn. 4to. — From the Royal Danish Society of Sci- 

 ences. 



Anales de la Universidad de Chile, correspondientes a los anos 1843, 

 hasta 1852. Santiago de Chile. 8vo. — From the University of 

 Ch ie. 



Transactions of the Royal Irish Academy. Vol. XXII. Part 3, Sci- 

 ence: Part 4, Polite Literature. 1852-3. Dublin. 4to. — From 

 the Academy. 



Proceedings of the Royal Irish Academy, for the year 1851-2- Vol. 

 V. Part 2. Dublin. 8vo. — From the same. 



Journal of the Boston Society of Natural History ; June, 1852. Bos- 

 ton. 8vo. — From the Society. 



