(•4) 



No. 



1. 



)7 



2. 





3 



.. 



4. 



>f 



5 



„ 



6 



Vol. XXX. 



The Riemann Integral and Measurable Sets. 



M. J. CONRAX, M.A. 6d. 



On the Graphical Construction of Maximum Bending-Moments on Short 

 Girders due to a Locomotive. 



T. Alexander, m.a.i. 6d. 



Magnetic Resolution of the Spectrum Lines of Niobium. 



R. Jack, d.sc. 6d. 



The Electric Charge on Rain (Part II). 



J. A. McClelland, d.sc, f.r.s., and J. J. Nolan, m.sc. 6d. 



The Large Ions in the Atmosphere. 



J. A. McClelland, d.sc, f.r.s., and H. Kennedy, m.sc 6d. 



The Quadratic Vector Function. 



Rev. T. Roche, m.a. 6d. 



Vol. XXXII. 



,, 1. The Large Ions in the Atmosphere. 



H. Kennedy, m.sc. 

 ,, 2. Note on the Use of Conjugate Functions in some Dj-namical Problems 



H. C. Pllmmer, m.a. 

 ,, 3. Real and Comple.x Numbers considered as Adjectives or Operators. 



M. W. J. Fry, m.a. 

 ,, 4. On Doublet Distributions in Potential Theory. 



J. G. Leathem, d.sc 

 ,, 5. The Electrical Conductivity of Powders in Thin La}'ers. 



J. A. McClelland, d.sc, f.r.s., and J. J. Dowling, m.a. 

 ,, 6. Integral Equation proposed b)' Abel. 



Rev. p. J. Browne, m.a. 

 ,, 7. A 3-Dimensional Complex Variable. 



S. B. Kelleher, m.a. 



6d. 

 5d. 

 6d. 

 6d, 

 6d. 



6d. 



Vol. XXXIII (Current ^^OLu.ME). 



1. Photo-Electric Discharge from Leaves. 



J. A. McClelland, d.sc, f.r.s., and Rev. R. FitzGerald, m.sc 



2. The Mobilities of Ions produced by spraying Distilled Water. 



J. J. Nolan, m.sc. 



3. The Nature of the Ions produced by Bubbling Air through Mercury. 



J. A. McClelland, d.sc, f.r.s., and P. J. Nolan, m.sc. 



4. On Periodic Conformal Curve-Factors and Corner- Factors. 



J. G. Leathem, m.a., d.sc 



5. The Large Ions and Condensation-Nuclei from Flames. 



H. Kennedy, m.a., m.sc 



6. Impact in Three Dimensions. 



M. W. J. Fry, m.a., f.t.c.d. 



IS. 



6d. 

 6d. 



[List of Papers in the other Sections— B. Biological, Geological, and Chemical 

 Science ; and C. Archaeology, Linguistic, and Literattire— may be had on 

 application.] 



So/d by 



Hodges, Figgls, & Co., Ltd., 104, Grafton -street, Dublin ; and 



Williams & Norgate, 14, Henrietta-street, Covent Garden, London, W.C. 



