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John Latham, in a Letter to Mr. Warner, F. R. S.-
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By Edward
VII. Problems concerning Interpolations.
Waring, M. D. F. R. S. and of the Inftitute of Bononia,
Lucasian Profeffor of Mathematics in the University of
Cambridge. P. 59
VIII. Difquifitio de tempore Periodico Cometa anni 1770
obfervati. Autore J. A. Lexell, Academia Scientiarum
Petrop. Socio. Communicated by Nevil Mafkelyne,-
D. D. F. R. S. and Aftronomer Royal.
P. 68.
IX. On the General Refolution of Algebraical Equations..
by Edward Waring, M. D. F. R. &. and of the Inftitute
of Bononia, Lucasian Professor of Mathematics in the
University of Cambridge.
P. 86
XI. Obfervations on the total (with Duration) and annular
Eclipfe of the Sun, taken on the 24th of June, 1778,.
on Board the Espagne, being the Admiral's Ship of the
Fleet of New Spain, in the Passage from the Azores
towards Cape St. Vincent's. By Don Antonio Ulloa,
F. R. S. Commander of the faid Squadron; com-
municated by Samuel Horfley, LL.D. F. R. S. p. 105
XII. Tentamen continens Theoriam Machine fublicarum.
Autore Thoma Bugge, Aronomo Regio, Aftron. et
Mathem. Prof. in Academia Havnienfi, e Societatibus
Scient. Havnienf. et Nidrof. Communicated by Sir
John Pringle, Bart. F. R. S.
P. 120
XIII. Account of an Iconantidiptic Telescope, invented by
Mr. Jeaurat, of the Academy of Sciences of Paris. Com-
municated by John Hyacinth de Magellans, F. R. S.
p. 130
XIV. Account of the Organs of Speech of the Orang
Outang. By Peter Camper, M. D. late Professor of
Anatomy, &c. in the University of Groningen, and
F. R. S. in a Letter to Sir John Pringle, F. R. S.
P. 139
XV. Account of the Effects of Lightning on Board the
Atlas. By Allen Cooper, Efq. Mafter of the Atlas East
India-man. In a Letter to Jofeph Banks, Esq. P. R. S.
P. 160
XVI. Extracts of Three Letters from John Longfield,
M.D. at Corke in Ireland, to the Aftronomer Royal, con-
taining fome Aftronomical Obfervations; together with
the Longitude of Corke, deduced from the said Obferva-
tions, by the Aftronomer Royal. p. 163
XVII. The Latitude of Madrass in the Eaft Indies, deduced
from Obfervations made by William Stephens, Chief
Engineer. Communicated by John Call, Efq. F. R. S.
XVIII. Account of an Infant Mufician.
Burney, Doctor of Mufic and F. R. S.
P. 182
By Charles
P. 183
XIX. Account of the Method of cultivating the Sugar
Cane. By Mr. Cazaud; communicated by Jofeph
Banks, Efq. P. R. S.
P. 207
XX. Account of the Free Martin. By John Hunter, Efq.
F. R. S.
P: 279
XXI. Meteorological Journal kept at the House of The
Royal Society, by Order of the Prefident and Council.
P. 295
CONTENTS
OF
XXII.
V O L. LXIX. PART II. VO
AN
IN ACCOUNT of the Manner in which the Ruffians treat Perfons affected by the Fumes of
burning Charcoal, and other Effluvia of the fame Na-
ture. In a Letter from Matthew Guthrie, M. D. to
Jofeph Priestley, LL.D. F. R. S. page 325
XXIII. An Account of an Apparatus applied to the equa-
torial Inftrument for correcting the Errors arising from
the Refraction in Altitude. By Mr. Peter Dollond,
Optician; communicated by the Aftronomer Royal.
P. 332
XXIV. Experiments and Obfervations on the inflammable
Air breathed by various Animals. By the Abbé Fon-
tana, Director of the Cabinet of Natural History be-
longing to his Royal Highness the Grand Duke of
Tuscany; communicated by John Paradife, Efq.. F. R. S.
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XXV. On the Variation of the Temperature of boiling
Water. By Sir George Shuckburgh, Baronet, F. R.
I
and
and A. S. and Member of the Academy of Sciences and
Belles Lettres at Lyon. P. 362
XXVI. Account of a new Kind of inflammable Air or Gafs,
which can be made in a Moment without Apparatus, and
is as fit for Explosion as other inflammable Gaffes in ufe
for that Furpose; together with a new Theory of Gun-
powder. By John Ingen Houfz, Body Physician to their
Imperial Majefties, and F. R. S. P. 376
XXVII. The Defcription of Two new Micrometers. By
Mr. Ramfden, Optician; communicated by Jofeph
Banks, Efq. P. R. S. P. 419
XXVIII. Account of the Airs extracted from different
Kinds of Waters; with Thoughts on the Salubrity of
Air at different Places. In a Letter from the Abbé
Fontana, Director of the Cabinet of Natural Hiflory be-
longing to his Royal Highness the Grand Duke of Tuf-
cany, to Jofeph Priestley, LL.D. F. R. S. P. 432
XXIX. Account of fome Experiments in Electricity. In a
Leter from Mr. William Swift to the Rev. Dr. King,
P. 454
XXX. Sitodium incifum et macrocarpon, ufufque fruc-
tuum qui exinde nafcuntur, defcripta a Carolo Petro
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XXXI. A Second Paper concerning fome Barometrical
Meafures in the Mines of the Hartz. By Mr. John An-
drew De Luc, F. R. S. P. 485
XXXII. On the Preceffion of the Equinoxes produced by
the Sun's Attraction. By the Rev. Mr. Haac Milner,
M. A.