SCIENTIFIC PROCEEDINGS. 



VOLUME XV. 



The Subsidence of Torsional Oscillations and the Fatigue of Iron Wires when 

 subjected to the Influence of Alternating Magnetic Fields of Frequencies up 

 to 250 per second. By William Brown, b.sc. (January, 1916.) Qd. 

 Preliminary Notes on the Carbohydrates of the Musci. By Thomas G. 



Mason, b.a., Diplom. Agric. (February, 1916.) Qd. 

 \ New Form of very High Besistance for use with Electrometers. By John 



J. Dowling, m.a., m.k.i.a. (February, 1916.) 6d. 

 On the Path of a small Permeable Body moving with Negligible Acceleration 

 in a Bipolar Field. By Philip E. Belas, b.a., a.r.c.sc.i., and Marcus 

 Hartog, m.a., d.sc. n.u.i.) (Plate I.) (February, 1916.) Gd. 

 The Change of Length in Nickel Wires of Different Bigidities, due to 

 Alternating Magnetic Fields of Frequencies up to 150 per second. By 

 William Brown, b.sc. (February, 1916.) 6d. 

 Osmotic Pressures in Plants. VI — On the Composition of the Sap in the 

 Conducting Tracts of Trees at Different Levels and at Different Seasons of 

 the Year. By Henry H. Dixon, sc.d., (dubl.), f.r.s. ; and W. R. G. Atkins, 

 scd. (dubl.), p.i.c. (March, 1916.) Is. 

 The Verticillium Disease of the Potato. By George H. Pethybridge, ph.d., 

 b.sc. (Plates II-III.) (March, 1916.) Is. M. 



DUBLIN : PRINTED AT THB UNIVERSITY FKBKS BY HONSONBY AND GIBBS. 



