viii CONTENTS 



PAGE 



11. Studies on Magnetic Distribution 89 



American Journal of Science (3), X, 325-335, 451-450, 1875. 



Ibid., XI, 17-29, 103-108, 1876. 



Philosophical Magazine (i\ L, 257-277, 348-367, 1875. 



12. On the Magnetic Effect of Electric Convection 128 



American Journal of Science (3), XV, 30-38, 1878. 



13. Note on the Magnetic Effect of Electric Convection 138 



Philosophical Magazine (5), VII, 442-443, 1879. 



14. Note on the Theory of Electric Absorption 139 



American Journal of Mathematics, I, 53-58, 1878. 



15. Eesearch on the Absolute Unit of Electrical Eesistance 145 



American Journal of Science (3), XV, 281-291, 325-336, 430-439, 1878. 



17. On Professors Ayrton and Perry's NeAv Theory of the Earth's Mag- 



netism, with a Note on a New Theory of the Aurora 179 



Philosophical Magazine (5), VIII, 102-106, 1879. 

 Proceedings of the Physical Society, III, 93-98, 1879. 



18. On the Diamagnetic Constants of Bismuth and Calc-spar in Absolute 



Measure. By H. A. Rowland and W. W. Jacques 184 



American Journal of Science (3), XVIII, 360-371, 1879. 



19. Preliminary Notes on Mr. Hall's recent Discovery 197 



American Journal of Mathematics, II, 354-356, 1879. 

 Philosophical Magazine (5), IX, 432-434, 1880. 

 Proceedings of the Physical Society, IV, 10-13, 1880. 



22. On the Efficiency of Edison's Electric Light. By H. A. Rowland and 



G. F. Barker 200 



American Journal of Science (3), XIX, 337-339, 1880. 



27. Electric Absorption of Crystals. By H. A. Rowland and E. L. 



Nichols 204 



Philosophical Magazine (5), XI, 414-419, 1881. 

 Proceedings of the Physical Society, IV, 215-221, 1881. 



28. On Atmospheric Electricity 212 



Johns Hopkins University Circulars Xo. 19, pp. 4, 5, 1882. 



34. The Determination of the Ohm. Extract from a letter to the Inter- 



national Congress at Paris, 1884 217 



Proces-Verbaux, Deuxieme Session, p. 37. Paris, 1884. 



35. The Theory of the Dynamo 219 



Report of the Electrical Conference at Philadelphia in November, 1884, 

 pp. 72-83, 90, 91, 104, 107. Washington, 1886. 



36. On Lightning Protection 236 



Report of the Electrical Conference at Philadelphia in November, 1884, 

 pp. 172-174. 



37. On the Value of the Ohm 239 



La Lumiere Electrique, XXVI, pp. 188, 477, 1887. 



