x. ABSTRACT OF PROCEEDINGS. 
and also on observations made by Mr. John Tebbutt, F.R.A.s., of 
Windsor, New South Wales. The elements as determined by 
him agreed substantially with those determined by Dr. Knopf, 
and would not, in his opinion, be sensibly varied by further 
investigations, 
NOTES AND EXHIBITS. 
Mr. F. N. Qualirs, M.A., M.D., gave a short descriptive account 
of the action of Roéntgen rays, and a demonstration with his 
apparatus. 
The following donations were laid upon the table and acknow- 
ledged :— 
TRANSACTIONS, JOURNALS, REPORTS, Ke. 
(The Names of the Donors are in Italics ) 
Fort pha a By a — Artillery School. Journal, Vol. 
2, 3, 189 The School 
Gentoxe Gordon “Tecnenl College. ‘The Wombat,’ Vol. I1., 
Nos. 897. The College 
Caso Philosophie Society of Glasgow. Proceedings, Vol. 
5-6. — Society 
Hopton (ela) Yorkshire Geological and Polytec 
Society. 2 ngs, N.S. Vol. x., (1837 - 1887) 188 
Vol Xt., Pe te a iii iit., reer Vol. xu., Parts 
iii., 1892-93 ; Vol MAIL; Part i 1895. ” 
Kew—Royal —— grag s ican Plantarum, 4 Ser., 
Vol. Faia i i., ii., 1897. The Director 
Hieies cae of pe Journal, Vol. 11., No. 3, 1896. 
The Institute 
Lrerps—Yorkshire College. Axsioal Report, (22nd) 1895-6. The ie. 
re ae a Philosophical Society. Proceedings, 
A The Society 
Peony SoguenriRE of Great Britain and Ire- 
land. Jo 1 » Nos. 2-4, 1896-7. List of 
Fellows, May 1, 1807, The Institute 
ete gos Hegre Quarterly Journal, Vol. x11., Part iv. 
No. 896; Vol. a indies i., ii., Nos. 209; 210, 1897. 
General eaten Vols. e 1, ii, eological 
Literature added to Tibeaey ‘during 1896. The Society 
ete of Civil — Minutes of Proceedings, 
Vol. cxxv1., Part iv., 1895-6; Vol. cxxvit., Part i., 1896-7. : 
Brief Subject Index, Vols, CXIX. - CXXVI. The Institution 
a See of Mechanical Engineers. Proceedings, Nos. 1, 
Iron and Steel Inatitite. Journal, Vols. xLvit., xLVIII., 
1895; Vol. 1 , 1896. The Institute 
