CONTENTS. 
XXII. Calculations of some observations of the solar eclipse on 
the yth of September, 1820. By Mr. Charles Rumker. Com - 
municated by Thomas Young, M D. For. Sec. R.S. p. 311 
XXIII. An account of the re-measurement of the cube, cylinder, 
and sphere, used by the late Sir GeorgeShuckburgh Evelyn, 
in his enquiries respecting a standard of weights and measures. 
By Captain Henry Kater, F. R. S. p. 316 
XXIV. An account of observations made with the eight feet 
astronomical circle, at the Observatory of Trinity College, 
. Dublin , since the beginning of the year 1818, for investigating 
the effects of parallax and aberration on the places of certain 
fixed stars ; also the comparison of these with former observa- 
tions for determining the effects of lunar nutation. By the 
Rev. John Brinkley, D.D. F.R.S. and M.R.I.A. Andrews 
Professor of Astronomy in the University of Dublin, p. 327 
XXV. On the effects produced in the rates of Chronometers by 
the proximity of masses of iron. By Peter Barlow, Esq. 
of the Royal Military Academy. Communicated by John 
Barrow, Esq. F.R.S. p. 361 
XXVI. On the peculiarities that distinguish the Manatee of 
the West Indies from the Dugong of the East Indian seas. By 
Sir Everard Home, Bart. V. P. R. S. p. 390 
XXVII. On a new compound of Chlorine and Carbon. By 
Richard Phillips, F. R. S. E. F. L. S. and Michael 
Faraday, Chemical Assistant in the Royal Institution. Com- 
municated by the President. p. 332 
XXVIII. On the Nerves; giving an account of some experi- 
ments on their structure and functions, which lead to a new 
arrangement of the system. By Charles Bell, Esq. Com- 
municated by the President. p. 398 
