64 Royal Irish Academy. 



Part 19. "On the Pormation of the so-callecl Siphons in Poly-^ 

 siphonia." By E. P. AYright, M.D. 



The following Parts of the Transactions are in the press, and will 

 be published immediately : — 



Yol. xxvii. — Polite Literature and Antiquities. 



Part 3. "On the Croix Gammee or Swastika." By the Eight Eev.. 

 Charles Graves, D.D. 



Yol. xxvi. — Science. 



Part 20. "On the Equations of Circles." By J. Casey, LL.D., 

 P.E.S. 



Of the Proceedings, Part 2 of vol. iii. (second series), containing the 

 Papers on Science, was published in IS'ovember, 1878 ; and the follow- 

 ing Parts are in the press : — 



Of vol. iii. (second series), containing Papers on Science, Part 3 ; 

 and of vol. i. (second series), containing Papers on Polite Literature 

 and Antiquities, Part 13, which will complete this volume. 



"Within the'past year Papers by the following authors were read 

 before the Academy : — 



In the department of Science : — By Professor E. P. "Wright ; 

 Professor Davy ; Mr. J. C. Malet ; the Yice-Provost of Trinity 

 CoUege; the Eev. the Provost of Trinity College; Mr. E. T. 

 Hardman ; Professor O'Eeilly; Mr. E. Lapper; Dr. Chichester Bell ; 

 Professor Casey ; Professor Hennessy ; Professor Galloway ; Professor 

 Leith Adams ; Mr. Philip Burton ; Eev. James Pearson ; Professor 

 Eobert S. Ball ; Mr. G. H. Kinahan ; and Dr. Tichborne. 



In the department of Polite Literature and Antiquities : — By the 

 Eight Eev. Charles Graves, D.D. ; Dr. Bernard ; and Mr. Yalentine 

 Ball. 



The lithographing of the Pooh of Leinster has kept pace with the 

 expectation expressed in the last Eeport. l^early the whole of the 

 work is completed, and there is fair ground for anticipating that it 

 will be published before the summer of the present year. 



In reference to iheFelire of Oengus, in addition to the natural diflScul- 

 ties arising from the editor's residence in India and his absorbing public 

 duties, there have arisen other obstacles, over which the Council had 



