Atvard of the Boyle Medal to Professor John A. McClelland. 67 9" 



8. Ionization in Atmospheric Air. Trans. Eoyal Dublin Society, viii, pp. 57-69. 



1903. 



9. Comparison of Capacities : An Application of Radio-active Substances. Proc. 



Eoyal Dublin Society, x, pp. 167-77. 1904. Also Phil. Mag., 

 pp. 362-371. April, 1904. 



10. On the Emanation given off by Radium. Trans. Eoyal Dublin Society,. 



viii, pp. 89-94. 1904. Also Phil. Mag., pp. 355-362. April, 1904. 



11. The Penetrating Eadium Bays. Trans. Eoyal Dublin Society, viii,. 



pp. 99-108. 1904. Also Phil. Mag., viii, pp. 67-77. 1904. 



12. Secondary Eadiation. Trans. Eoyal Dublin Society, viii, pp. 169-182; 



1905. Also Phil. Mag., ix, pp. 230-243. 1905. Also Note in Nature,. 

 lxxi, p. 390. February 23rd, 1905. 



13. Secondary Eadiation and Atomic Structure. Trans. Eoyal Dublin Society.. 



ix, pp. 1-8. 1905. 



14. Energy of Secondary Eadiation. Trans. Eoyal Dublin Society, ix r 



pp. 9-26. 1906. 



15. Secondary Eadiation from Compounds. Trans. Eoyal Dublin Society, ix r 



pp. 27-36. 1906. With F. E. Hackett. 



16. Absorption of /3-Rays. Trans. Eoyal Dublin Society, ix, pp. 37-50, 1907. 



17. Secondary /3-Rays. Proc. Eoyal Society, lxxx, pp. 501-515. 1908. 



18. The Electric Charge on Rain. Part I. Proc. Eoyal Irish Academy,. 



xxix a, pp. 81-91. 1912. Also Le Eadium, ix, 8, pp. 277-282. 

 Aout, 1912. With J. J. Nolan. 



19. The Electric Charge on Rain. Part II. Proc. Eoyal Irish Academy, xxx, 



pp. 61-71. 1912. Also Le Eadium, x, 12, pp. 392-400. Decembre,. 

 1912. With J. J. Nolan. 



20. The Large Ions in the Atmosphere. Proc. Eoyal Irish Academy, xxx,. 



pp. 72-91. 1912. Also Le Radium, x, 12, pp. 392-400. Decembre, 1913. 

 With H. Kennedy. 



21. Electrical Conductivity of Powders in Thin Layers. Proc. Royal Irish 



Academy, xxxii, pp. 51-58. 1915. With J. 3. Doivling. 



22. Photo-Electric Discharge from Leaves. Proc. Eoyal Irish Academy,. 



xxxiii, pp. 1-8. 1916. With Bev. B. FitzGerald. 



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



Royal Irish Academy, xxxiii, pp. 24-34. 1916. With P. J. Nolan. 



24. Electrification by Friction. Proc. Royal Irish Academy, xxxiv, pp. 40-50. 



1918. With Bev. C. J. Power. 



25. The Ions produced by Bubbling Air through Alcohol. Proc. Royal Irish 



Academy, xxxiv, pp. 51-61. 1918. With P. J. Nolan. 



26. The Nature of the Ions produced by Phosphorus. Proc. Royal Irish Academy, 



xxxv, pp. 1-12. 1919. 



27. Further Observations on the Electric Charge on Rain. Proc. Royal Irish 



Academy, xxxv, 2, pp. 13-29. 1920. With P. J. Nolan. 



