lxxviii. ABSTRACT OF PROCEEDINGS. 
Schaeberle, J. M.—The Effective Surface Temperature of the Sun 
and the Absolute Temperature of Space. The probable 
Origin and Physical Structure of our Sidereal and Solar 
Systems. The Earth as a Heat Radiating Planet. 
Geological Climates. The Infallibility of Newton’s Law 
of Radiation at known Temperatures. An Explanation 
of the cause of the Eastward Circulation of our Atmo- 
sphere. (Reprints) The Author. 
Science Progress in the Twentieth Century, Nos.land6. W. G. Pye, .a.,B.8e. 
Tebbutt, F.k.A.Ss., etc.—Astronomical Memoirs, 1853-1907. The Author. 
The Improvement of Sydney, 1908 by John Sulman, F.R.1.B.A. ‘ 
Teubner, B. G.—Verlag auf dem Gebiete der Mathematik. 
Naturwissenschaften und Technik nebst Grenzwissen- 
schaften, 1908. The Publisher. 
Tbe United States Information for Immigrants. 
Tha National Society of the Sons of the American Revolution. 
PERIODICALS PURCHASED IN 1908. 
American Journal of Science, (Silliman). 
Aunales des Chimie et de Physique. 
Annales des Mines. 
Astronomische Nachrichten. 
Australian Mining Standard. 
Berichte der Deutschen Chemischen Gesellschaft. 
Dingler’s Polytechnisches Journal. 
Electrical Review. 
Engineer. 
Engineering. 
Engineering and Mining Journal. 
Engineering Record and Sanitary Engineer. 
English Mechanic. 
Fresenius’ Zeitschrift fir Analytische Chemie. 
Geological Magazine. 
Journal of the Institution of Electrical Engineers. 
Journal of the Royal Asiatic Society of Great Britain and Ireland. 
Journal of the Society of Chemical Industry. 
Knowledge and Illustrated Scientific News. 
Mining Journal. 
Nature. 
Notes and Queries. 
Observatory. 
Petermann’s Erganzungsheft. 
Petermann’s Geographischen Mittheilungen. 
Philosophical Magazine. 
Photographic Journal. 
Proceedings of the Geologists’ Association 
~F 
