vi CONTENTS. 
ART. PAGE. 
IX. Researches respecting Quaternions. First Series. By Sir Witt1AM 
Rowan Hamuton, LL.D. V.P.R.L. A., Andrews’ Profes- 
sor of Astronomy in the University of Dublin, and Royal Astro- 
nomer of Ireland, §c. Read November 13,1843. . . . 199 
On the Effect of Heat in lessening the Affinities of the Elements of 
Water. By the Rev. Tuomas Romney Rosiwson, D. D., 
M.R.I.A., Gc. Read June 14,1847. . . . . - ee Oe 
XI. On an extension of a Theorem of Euler, with a ee ore of the 
limit beyond which it fails. By Joan Raprorp Youne, Pro- 
fessor of Mathematics in Belfast College. Read November 30, 
es ade ell a ie Ce A a ER Br 108 > 3 Pic watcr eles, 3). 
y) 
POLITE LITERATURE. 
I. On the Age of the Eighteenth Dynasty of Manetho. By the Rev. 
Epwarp Hincks, D.D. Read December 12, 1842. > eee 1 
1. Memoir of Researches amongst the inscribed Monuments of the Graco- 
Roman Era, in certain ancient sites of Asia Minor. By James 
Kennepy Bau, D.D., M.R.I.A. Read June 26, 1843. . 11 
II. An Essay on Accidental Association. By the Rev. James WILLS, 
M R.I.A. Read December 9, 1845, and February 24, 1846. 87 
IV. On the defacement of Divine and Royal Names on Egyptian monu- 
ments. By the Rev. Epwarp Hincxs, D. D. Read February 
Pte CE is age 105 
V. On the first and second fas of ae Pekin Wr Hae By the Ra: 
Epwarp Hincks, D.D. Read June 9,1846. .. . + As4 
VI. An Attempt to ascertain the number, names, and powers of the ie 
ters of the Hieroglyphic, or ancient Egyptian Alphabet; grounded 
on the establishment of a New Principle in the use of Phonetic Cha- 
racters. By the Rev. Evwarp Hincxs, D. D. Read ae 
26, February 9, and June 8,1846. . .....-. - 132 
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