SCIENTIFIC PROCEEDINGS. 



VOLUME XV. 



1. 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.so. (January, 1916.) Gd. 



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



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



3. A New Form of very High Eesistance for use with Electrometers. By John 



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



4. 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 Marcos 

 Hartog, m.a., d.sc. n.u.i.) (Plate I.) (February, 1916.) 6d. 



5. 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. 



6. 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.e. (March, 1916.) Gd. 



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



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



DUBLIN: PRINTED AT THK UNIVERSITY PRESS BY PONSONBY ANT) GIBBS. 



