426 Royal Irish Academy. 



unum e societate tua eligas, qui ad dies 8 et 9 mensis Octobris tanti 

 beneficii commemoratioiii intersit. 



" Si, igitur, quod speramus, votis nostris satisf acere vis, nomen eius 

 quern elegeris magistro Arturo Cowley renunties precamur. 



"David B. Monro, 



" Vice-Cancellarius.'''' 



The Secretary proposed and Prof. O'Eeilly seconded that the Pre- 

 sident should be requested to act' as Delegate. 



This was put to the Academy and passed. 



Monday, Apeil 28, 1902. 



Prof. Robert Atkinson, ll.d., litt.d., President, in the Chair. 



Prof. C. J. Joly, sc.D., p.t.c.d,, read a Paper on " A new Quaternion 

 Proof of Stokes's, Green's, and Allied Theorems." 



Eead the following letter : — 



" Smithsonian iNSirnrrioN, "Washington, 

 " April Sth, 1902. 



' ' Mr. Samuel Pierpont Langley has the honor to acknowledge the 

 receipt of the announcement of his election as an Honorary Member of 

 the Section of Science of the Royal Irish Academy of Dublin. 



" Mr. Langley begs leave to convey to the Academy an expression 

 of his high appreciation of this action on his behalf and of his gratifi- 

 cation in accepting the honour thus shown him. 



" The Rotal Irish Academy, 



"19, Dawson-steeet, Dublin, Ireland. 

 " Through Chaeles J. Jolt, Esq." 



Prof. T. Johnson, d.sc, exhibited Specimens from Co. Kilkenny 

 illustrative of Larch Canker due to Peziza Willkommii. 



