1889-90.] 
Meetings of the Society. 
411 
Meetings of the Royal Society— Session 1889-90. 
Monday , 25 th November 1889. 
•General Statutory Meeting. Election of Office-Bearers. P. xvii. 1. 
Monday , 2nd December 1889. 
Prof. Sir Douglas Maclagan, Vice-President, in the Chair. 
The following Communications were read : — 
1. On the Transformation of Laplace’s Coefficients. By Dr G. Plarr. 
Communicated by Professor Tait. T. xxxvi. 19. 
2. Preliminary Note on the Thermal Conductivity of Aluminium. 
By A. Crichton Mitchell, Esq., B.Sc. 
3. On Coral Reefs and other Carbonate of Lime Formations in 
Modern Seas. By John Murray, LL.D., and Robert Irvine, F.C.S. 
(With Lantern Illustrations.) P. xvii. 79. 
The following Candidates for Fellowship were balloted for, and 
•declared duly elected Fellows of the Society : — 
Prof. Ralph Copeland, Astronomer-Royal for Scotland. 
G. A. Gibson, M.A. 
Monday , \§th December 1889. 
Sir Arthur Mitchell, K.C.B., LL.D., Vice-President, in the Chair. 
A series of Photographs of Stars and Nebulae, presented by Isaac 
Roberts, Esq. ; and Photographs of Lightning taken in Natal, presented 
by C. W. Methven, Esq., were exhibited. 
The following Communications were read : — 
1. Note on Cayley’s Demonstration of Pascal’s Theorem. By Thomas 
Muir, M.A., LL.D. P. xvii. 18. 
2. On Self-Conjugate Permutations. By Thomas Muir, M.A., LL.D. 
P. xvii. 7. 
3. On a Rapidly Converging Series for the Extraction of the Square 
Root. By Thomas Muir, M.A., LL.D. P. xvii. 14. 
4. On some Quaternion Integrals. By Professor Tait. 
5. On the Glissette of a Hyperbola. By the Same. P. xvii. 2. 
