ROYAL IRISH ACADEMY 



PROCEEDINGS. 



SECTION" A. 



[Mathematical. Astronomical, and Physical Science.] 



Vol. XXVII. 



No. 1. 

 .. 2. 



3. 



.. 4. 



.. 5. 



.. 6. 



.. 7. 

 .. 8. 

 .. 9. 

 .. 10. 



11. 



18. 



1 



A Theorem on Moving Distributions of Electricity. 

 A. w. Conway, k.k.s. 



6d. 

 Part I: A 



The Stability or Instability of the Steady Motions of a Liquid 

 Perfect Liquid. 



\V. M'F. Okk. b k.--. is. 6d. 



The Stability or Instability of the Steady Motions of a Liquid. Part II: A 

 Viscous Liquid. 



\V. M'F. Okk, f.k.s. «. 



The Centre of Gravity and the Principal Axes, of any Surface of' 

 equal Pressure in a Heterogeneous Liquid covering a Hetero- 

 geneous Solid composed of nearly Spherical Shells of equal 

 Density, when the whole Mass i^ rotating with a small Angular 

 Velocity in Relative Equilibrium under its own Attraction. 

 M. W. J. FRY, m.a. 

 On the Properties of a System of Ternary Quadrics which yield 

 Operators which annihilate a Ternary Cubic. 

 II. G. Dawson, m.a. 

 A N<w Method of Solving Legendre's and Hessel's Equations, and 

 others of a similar I 



j. R. COI I IK, M.A. 



The Relation of Mathematics to Physical Science. 



F A. Taklbton, ll.d. 6d. 



The Dynamics of a Rigid Electron. 



A. W. Conway, k.r.s. 6d. 



The Logical 



R. A. P. Rogkks, m.a. 6d. 



On Et! - Gravitational and EiectrostaticaL 



F. POKSI K. M. \. od. 



Extensions of Fourier's and thi Fourier Theorems. 



W. M'F. Okk. k.k.s. 



Theorems on the I bic. 



M. |. Conkan, m.a. 



Vol. XXVIII. 



On the Motion of an Electrified Sphere. 



A. \V. Conway, f.k.s. 



2. Contributions to the Theory of Screws. 



Sik Robeki Ball, k.k.s. 



3. The Symbolical Expression of Hliminants. 



Rev. yv. r. W. Roberts, d.d. 



is. 6d. 

 od. 



Od. 



2S. 



6d. 



Vol. XXIX. 



1. On the Application of Quaternions to some recent Developments of Electrical 

 Theory. 



\\ Conway, f.k.-. 6d. 



2- Extensions of Fourier's and th- -ourier Theorems. Second Paper. 



\V. M'F. Okk. f. 6d. 



3. The Linear Complex, and a Certain Class of Twisted Curves. 



Rev. M. F. Elan, m a. is- 



4. I he Differentiation of Quaternion Functii 



K. l. Wang. 6d. 



5. The Electric Charge on Rain (Part I . 



J. A. McClelland, d.sc., f.k..-.. and |. J. Nolan, m .-■ 6d. 



6. Some Differential Properties of the Orthogonal Trajectories ol (Congruence 



of Curves, with an Application to Curl and Divergence of Vectors. 



R. A. P. R<.<.hK-, m.a. od. 



