SO bedinn 
CONTENTS. 
ADENEY, W. E., D.Sc., A.R.C.Sc.I. aaa 
Photographs of Spark Spectra from the Large Rowland Spectrometer in the Royal 
University of Ireland. Part I. The Ultra-Violet Spark Spectra of Iron, Cobalt, 
Nickel, Ruthenium, Rhodium, Palladium, Osmium, Iridium, Platinum, Potassium 
Chromate, Potassium Permanganate, and Gold (Plates XXVII. and XXVIII.), . 381 
[Published September, 1901.} 
BARRETT, W. F., F.B.S. 
On some Novel Thermo-Electric Phenomena (Plate IX a.), : : 6 : 6 bay 
[Published January, 1900.] 
BARRETT, W. F., F.R.S.; W. BROWN, B.8c.; anp R. A. HADFIELD, M.1.C.E. 
On the Electrical Conductivity and Magnetic Permeability of various Alloys of Iron 
(Plates II. to IX.), . 6 : : 6 : 6 , 6 0 ° 0 6 OY 
[Published January, 1900.] 
BEAUMONT, W. I. (See Hour and Beaumont). 
BROWN, W. (See Barrett, Brown, and Haprietp). 
DUERDEN, J. E., Assoc. R.C.Sc. (Lond.). 
Jamaican Actiniaria. Part II. Stichodactyline and Zoanthesw (Plates X. to XV.), 183 
[Published January, 1900.] 
EWART, J. C., M.D., F.RB.S. Auer 
Variation : Germinal and Environmental, 2 . 3853. 
[Published October, 1901] 
GRUBB, SIR HOWARD, F.R.S. 
A New Collimating-Telescope Gun-Sight for Large and Small Ordnance (PlateXXVI.), 821 
[Published August, 1901.| 
Some New Forms of Geodetical Instruments (Plate XXXIV.), . 
[Published May, 1902.} 
HADFIELD, R. A. (See Barrert, Brown, and Hapriexp.) 
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