ABSTRACT OF PROCEEDINGS. XV11. 



closely adhering "skin" of black magnetic material, while the 

 metal immediately beneath this coating is silvery-white in appear- 

 ance. On the smooth portion at the extremity of the larger end 

 can be seen very distinctly Widmanstatten's figures. The 

 specimen has an exceedingly new appearance as if it had only 

 just arrived upon the earth, and shows no signs of oxidation. 



4. Dr. Frank Tidswell, d.p.h. (Camb.), gave a lantern demon- 

 stration showing photomicrographs of certain disease germs, 

 including those of anthrax, typhoid fever, tuberculosis, 

 leprosy, and plague. 



EXHIBITS. 



Section of Wooden Water Pipe, partially blocked by a solid 

 fibrous incrustation of barytic carbonate of lime. This pipe, which 

 was taken from the 768 feet level in the Birthday Shaft, Sydney 

 Harbour Colliery, Balmain, was used for conveying the water 

 made in the sinking, from the water-ring fixed at 768 feet level to 

 bottom of shaft. Exhibited by Mr. J. L. C. Rae. 



The following donations were laid upon the table and acknow- 

 ledged : — 



TRANSACTIONS, JOURNALS, REPORTS, &c. 

 (The names of the Donors are in Italics.) 



Albany N.Y. — University of the State of New York. State 



Library Bulletin, Legislation Nos. 11, 12, 1900. The University 



Annapolis, Md. — U.S. Naval Institute. Proceedings, Vol. xxv., 

 Nos. 3, 4, Whole Nos. 91, 92, 1899; Vol. xxvi. Nos. 1, 2, 

 Whole Nos. 93, 94. 1900. The Institute 



Berkeley — University of California. Agricultural Experiment 

 Station Bulletin, Nos. 122 - 126, 1899. Annual Report 

 of the Secretary to the Board of Regents for the year 

 ending June 30, 1899. Bulletin of the Department of 

 Geology , Vol. n., Nos. 5, 6, 1899. Library Bulletin, No. 

 13, 1899. Pamphlets (Reprints) 3. Quarterly Bulletins 

 New Series, Vol. i., Nos. 1, 2, 1899. University Chronicle 

 Vol. ii., Nos. 1-6, 1899. Report of Final Competitions 

 for the Phoebe A. Hearst Architectural Plan of the 

 University of California. The University 



Boston, Mass. — American Academy of Arts and Sciences. Pro- 

 ceedings, Vol. xxxv., Nos. 1 - 16, 1899 - 1900. The Academy 

 Boston Society of Natural History. Proceedings, Vol. xxix., 



Nos. 1 - 8, J 899. The Society 



Buffalo — Buffalo Society of Natural Sciences, Bulletin, Vol. vi., 

 Nos. 2, 3. 4, 1899. 



Cambridge— Cambridge University Library. Report of the 

 Library Syndicate for the year ending, 31st December, 

 1899. The Library 



b— July 4, 1900. 



