( 4 ) 



Vol. XXX. 



No. 1. The Riemann Integral and Measurable Sets. 



M. J. CONRAN, m.a. 6d. 



,, 2. On the Graphical Construction of Maximum Bending-Moments on Short 

 Girders due to a Locomotive. 



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



,, 3. Magnetic Resolution of the Spectrum Lines of Niobium. 



R. Jack, d.sc. 6d. 



,, 4. The Electric Charge on Rain (Part II). 



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



,, 5. The Large Ions in the Atmosphere. 



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



,, 6. The Quadratic Vector Function. 



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



Vol. XXXII. 



1. The Large Ions in the Atmosphere. 



H. Kt nni DY, M.a . 6d. 



2. Note on the Use of Conjugate Functions in some Dynamical Problems. 



I . Plum her, m.a. 6d. 



,. 3. Real and Complex Numbers considered as Adjectives or Operators. 



M. \V. J. Fry, m. 6d. 



4. On Doublet Distributions in Potential Tlv 



J. G. Lea hum, i 6d. 



,. 5. The Electrical Conductivity of Powders in Thin Layers. 



J. A. McClella-. k.r.s., and J. J. Dowling, m.a. 6d. 



,, 6. Integral Equation proposed by Abel. 



Rev. P. J. Bkow. 

 7. A 3 -dimensional Complex Variable. 



S. B. Kellehek, m.a. 



6d. 



Vol. XXXIII. 



1. Photo-electric 1 



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



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



J. G. Lea i ii km. m.a., ; is. 



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



H. Kennedy, m.a., m. 6d. 



,, 6. Impact in Three Di; 



M. \Y. J. Fry, m.a., p.t.c.d. 6d. 



Vol. XXXIV (Current Volume). 



1. On the Simultaneous Formulation of Two Linear Vector Functions. 



Frank L. Hitchcock, ph.d. 6d. 



,, 2. On Two-dimensional Fluid Motion, with Free Stream-Lines, Past an Obstacle 

 of Curved Outline. 



J. G. Leathem, m.a., i is. 



., 3. Electrification by Friction. 



J. A. McClelland, d -., and Rev. C. J. Power, s.j., m.sc. 6d. 



,. 4. The Ions produced by Bubbling Air through Alcohol. 



J. A. McClellan: nd 1' J Noi AN, M.SC. 6d. 



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

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

 application] 



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