146 Scientific Proceedings, Roijal Dublin Sociebj. 



41. A Fractionating Rain-Gauge. Proc. E.D.S. 1900. 



42. Influence of Pressure on the Separation of Silicates iu Igneous Rocks. 

 Proc. R.D.S. 1900. 



43. On the Inner Mechanism of Sedimentation — Preliminary Note. Proc. 

 R.D.S. 1900. 



44. Theory of the Order of Formation of Silicates in Igneous Rocks. Proc. 

 R.D.S. 1900. 



45. The Geological Age of the Earth. Geol Mag. May, 1900. 



46. Du Mecanisme intime de la Sedimentation. Congres Geologique Internat. 

 1900. 



47. Experience sur la Denudation par Dissolution dans I'eau douce et dans 

 I'eau de Mer. Congres Geologique Internat. 1900. 



48. Memoire sur I'Ordre de Formation des Silicates dans les Roches Ignees. 

 Congres Geologique Internat. 1900. 



49. Incandescent Electric Furnaces. Proc. R.D S. 1901. 



50. On an Improved Method of Identifying Crystals in Rock- Sections by the 

 Use of Birefringence. Proc. R.D.S. 1901. 



51. On the Pseudo-opacity of Auatase. Proc. R.D.S. 1901. 



52. Some Sedimentation Experiments and Theories. Trans. R.D.S. 1901. 



53. Denudation in Fresh and Salt Water. Proc. R.I. A. 1901. 



54. The Circulation of Salt and Geological Time. Geol. Mag. Aug., 1901. 



55. Method of Observing the Altitude of a Celestial Object at Sea at Night- 

 time, or when the Horizon is obscured. Proc. R.D.S. 1902. 



56. An Improved Polarizing Vertical Illuminator. Proc. R.D.S. 1903. 



57. On the Conservation of Mass. Trans. R.D.S. 1903. 



58. The Petrological Examination of Paving- Sets, Proc. R.D.S. 1903. 



59. Radium and the Geological Age of the Earth. Nature. Oct. 1st, 1903. 



60. Radium and the Sun's Heat. Nature. Oct. 15, 1903. 



61. Formation of Sand-Ripples. Proc. R.D.S. 1904. 



62. On the Motion of Radium in an Electric Field. Phil. Mag. March, 1904. 



63. The Latent Image. Address to the Photographic Convention. Nature. 

 July 29, 1905. 



64. On Floating Breakwaters. Proc. R.D.S. 1905. 



65. On the Petrological Examination of Road-Metal. Proc. R.D.S. 1905. 



66. Method of Determining the Absolute Dilatation of Mercury. Proc. R.D.S' 

 1907. 



67. On Pleochroic Haloes. Phil. Mag. March, 1907. 



68. On the Radium Content of Deep-Sea Sediments. Proc. R.D.S. 1908. 



69. The Radioactivity of Sea- Water. Proc. R.D.S. 1908. 



