PUBLICATIONS OF THE EOYAL IRISH ACADEMY. 



TRAlSrSACTIONS : Quarto, hoards ; or in Parts, stitched. 



Vols. I. to XXIII. {so77ie out of print). For Prices, &c., inquire at tlie Academy. 



Vol. XXIV.— Science (complete), Sis. Qd. 



Polite Litebattoe (complete), as. j ^^^^^^^^ ^^^^ ^.^^^^^ 2^^^ 

 ,, Antiqitities (complete), 19s. 6d ; 



Vol. XXV. — Science (complete), 37s. Qd. 



Vol. XXVI.— (Science) :— (Complete). 35s. 



Vol. XXVII. (Polite Lit. and Antiquities) : — 



Part 2.— On an Ogam Monument in the County of Kerry. By the Right 

 Eev. De. Chaves, Lord Bishop of Limerick. [Published November, 1878.] 



Part 3. — On the Croix Cammee, or Swastika. By the Right Rev. Chakles 

 GtRAVes, D.D., M.R.I.A., Lord Bishop of Limerick, &c. (With Illustrations.) 

 [Published April, 1879.] 



Part 4. — Fasciculus of Prints from Photographs of Casts of Ogham Inscrip- 

 tions. By Sir Samuel Ferguson, LL.D. (With Plates I*, to V.) 



Vol. XXVIII. (Science) :— 



Part 1.— On Chemical Equilibrium. By F. A. Tarleton, LL.D., F.T.C.D. 

 [Published December, 1880.] 



Part 2. — On a New Oenus and Species of Sponge. By Dr. E. P. Wright. 

 (Plate I.) [Published February, 1881.] 



Part 3. — On Blodgettia confervo'ides of Harvey, forming a new Genus and 

 Species of Fungi. By Edw, Perceval Wright, M.A., M.D., F.L.S., Professor 

 of Botany in the University of Dublin. (With Plate II.) [Published February, 

 1881.] 



Part 4.— On a new Cenus and Species of Unicellular Algse, living on the Fila- 

 ments of Rhizoclonium Casparyi. By Edw. Perceval Wright, M.A., M.D. 

 (With Plate II.) [Published February, 1881.] 



Part 5. — On the Periods of the First Class of Hyper-EUiptic Integrals. By 

 William R. Westropp Roberts, M.A. [Published March, 1881.] 



Part 6. — New Researches on Sun-heat and Terrestrial Radiation, and on Geo- 

 logical Climates. By the Rev. Samuel Haughton, M.D. Dubl. ; D.C.L. Oxon. ; 

 LL.D. Cantab. (Parts I. and II.) [Published October, 1881.] 



Part 7. — Extension of the Theory of Screws to the Dynamics of any Material 

 System. By Robert S. Ball, F.R.S., Astronomer Royal for Ireland. [Pub- 

 lished November, 1881.] 



Part 8. — On some hitherto undescribed Compounds of Selenium. By Charles 

 A. Cameron, M.D., Professor of Chemistry, and Edmund W. Davy, M.D., Pro- 

 fessor of Forensic Medicine, Royal College of Surgeons, Ireland. [Published 

 April, 1882.] 



Part 9. — Certain Problems in the Dynamics of a Rigid System Moving in 

 Elliptic Space. By Robert S. Ball, LL.D., F.R.S., Andrews Professor of Astro- 

 nomy in the University of Dublin, and Royal Astronomer of Ireland. [Published 

 April, 1882.] 



\_For continuation of List of PuUications, see page iii. of this Cover.'] 



