38 
Royal Irish Academy, 
Monday, June 24, 1889. 
Eey. Dk. Hatjghton, f.r.s,, President, in tlie Chair. 
Mr. Robert Barklie, f.c.s. ; Mr. James Brenan, e.h.a. ; and E-ev. 
George Raphael Buick, m.a., were elected Members of the Academy. 
The Secretary read a Paper by Mr. Thomas Preston, m.a., " On the 
Motion of a Particle and the Equilibrium of Strings on a Spherical 
Surface." 
The Secretary read a Paper by the Lord Bishop of Limerick " On 
the Pocal Circles of Spherical Conies." 
The Secretary read a Paper by the Lord Bishop of Limerick On 
an Ogham inscribed on a Tine of an Antler of an Elk or Stag found in 
the Crannog at Moynagh, Co. Meath." 
By permission of the Academy, The Rev. Dr. Mahaffy, f.t.c.d., 
read a Paper On a Relic of St. Cataldus." 
By permission of the Academy, Mr. William S. M'Cay, m.a., f.t.c.d., 
read a Paper On Three Similar Figures, with an Extension of 
Eeuerbach's Theorem." 
The Rev. The President read a Paper, " Prediction of the Atomic 
Weight of the Missing Element between Molybdenum and Silver, 
founded on the known Atomic Weights of the Rhodium, Ruthenium, 
and Palladium Groups." 
The Secretary read a Paper by Dr. W. Doberck, " Observations of 
Double Stars made at Markree." 
Donations to the Library were announced, and thanks were voted 
to the Donors. 
A vote of thanks was passed to Mr. Owen Smith of N^obber, Co. 
Meath, for his donation of a Tine of an Antler of a Deer with an 
Ogham inscription. 
The following letter was read : — 
" Wpezbueg, 30 Mai, 1889. 
" Sehe geehrtek Here ! 
" Die Royal Irish Academy hat mir die hohe Auszeichnung 
erwiesen, mich zu ihrem Ehrenmitglied zu erwahlen. Ich bin durch 
diese Ernennung freudig iiberrascht und bitte Sie, dem Verehrteu 
