PUBLICATIONS OF THE ROYAL IRISH ACADEMY. 
TRANSACTIONS: Quarto, boards ; or in parts, stitched. , 
Vols. I. to XXIII. (some out of print). For Prices, &e., inquire at the Academy, 
Vol. XXIV.—Scrence (complete), 31s. 62. 
BS PotiTE LITERATURE (complete), ds. 
+ ANTIQUITIES (complete), 19s. 6d. 
Vol. XXV.—ScrenceE (complete), 37s. 6d. 
Vol. XX VI.—(ScrenceE):—Parts 1 to 10. 17s. 6d. 
Part 11.—On the Aspect of Mars at the Oppositions of 1871 and 1873. By 
C. E. Burton, B.A. (Plates VII. & VIII.) 1s. [Published April, 1878.] 
Part 12.—Direct Demonstration of the Properties of the First Negative Pedal 
of a Central Conic from any Point in its Plane. By Jomn C. Mater, M.A. 1s. 
[Published April, 1878. ] 
Part 13.—On the Intersections of Plane Curves of the Third Order. By 
ANDREW SEARLE Hart, LL.D. 1s. [Published July, 1878.] 3 
Part 14.—On a Proof that every Algebraic Equation has a Root. By \ 
jJoun C. Malet, M.A. 
Part 15.—On a Certain Surface derived from a Quadric. By Jomn C. 
Matet, M.A. [Published July, 1878.] ; 
Part 16.—Attempt to deduce the General Laws of the Variations of Tempera- 
ture at the Earth’s Surface from those of Solar and Terrestrial Radiation. By 
the Rey. H. Luoyp, D.D., D.C.L., Provost of Trinity College, Dublin. 1s. [Pub- 
lished August, 1878. | 
Part 17.—Report on the Acanthology of the Desmosticha (Haeckel), Part I.— 
On the Acanthological Relations of the Desmosticha. By W. H. Macxrytosu, B.A. 
(Plates IX., X., XI.) 1s. [Published October, 1878.] 
Part 18.—On the Cell-structure of Griffithsia setacea (Ellis), and on 
the Development of its Antheridia and Tetraspores. By Epw. PERCEVAL 
Wricut, M.A., M.D., F.L.S., F.R.C.S.I. (Plates XI. & XIII.) [Pub- 
lished January, 1879. | \. 2s. 6d 
Part 19.—On the Formation of the so-called ‘‘Siphons,” and on the | 
\ together (with title), 24s. 
Development of the Tetraspores in Polysiphonia. By Epwarp PERcEyAL 
Wericut, M.A., M.D., F.L.S., F.R.C.8.1. (Exam.) (Plate XIV.) [Pub- 
lished January, 1879. ] 
Part 20.—On the Equations of Circles (Second Memoir). By Jonny Casey, 
LL.D., F.R.S., M.R.I.A., Professor of Mathematics in the Catholic University of 
Ireland. 3s. 6d. [Published April, 1879.] 
Part 21.—On the Correlation of Lines of Direction on the Earth’s Surface. 
By JoserH P. O’Reitty, C.E. Central School of Paris ; Professor of Mining and 
Mineralogy, Royal College of Science, Ireland. 1s. {Published June, 1879. ] 
Vol. XXVI. (Porrre Lir. AnD ANTIQUITIES) :— 
' Part 1.—On the Bell of St. Patrick, called the Clog an Edachta. By Winttam 
Reeves, D.D. [Published March, 1877.] 1s. 
Part 2.—On an .Ogam Monument in the County of Kerry. By the Ricur 
Rey. Dr. Graves, Lord Bishop of Limerick. [Published November, 1878. ] 
Part 3.—On the Croix Gammée, or Swastika. By the Rient Rey. CHARLES 
Graves, D.D., M.R.I.A., Lord Bishop of Limerick, &c. (With Ilustrations.) 
[Published April, 1879.] 
| For continuation of List of Publications, see page iii. of this Cover. | 
