CONTENTS. 
211 
rt. XIX. Account of a Chinese Lusus Natures. By John Li- 
vingstone, Surgeon to the British Factory, China, 132 
XX. History of the Magnetic Observations said to have 
been made at Zwanenburg. In a Letter to Dr 
Brewster from M. G. Moll, Professor of Na- 
tural Philosophy in the University of Utrecht, 137 
XXL On the Rocky Mountain Sheep of the Americans. 
By Professor Jameson, - - 138 
XXII. Account of a New Optical Instrument, which com- 
bines the properties of a Compound Microscope, 
Camera Obscura, Camera Lueida, and Diagonal 
Mirror. By Alexander Waddell, Esq. 143 
XXIII. Account of the Explosion of a Steam-Boiler at Loch- 
rin Distillery. By Robert Stevenson, Esq. 
F. R. S. E. Civil Engineer, - - 147 
XXIV. On Metallurgic Crystallography. By Professor 
Haussmann, - - 155 
XXV. On a Remarkable Plant of the Order Fungi found 
growing in a Solution of Succinate of Ammonia, 
(with a Figure). By John Fleming, D. D. 
F. R. S. E. M. W. S. &c. - - 164 
XXVI. Observations on the Natural History of some spe- 
cies of the Genus Larus, or Gull Tribe. By 
A. Edmonston, M. D. &c. - - 16‘8 
XXVII. On the Specific Gravity of Barley and Scotch Bigg, 
with the description of a New Instrument for 
Measuring it. In a Letter from the Reverend 
George Skene Keith, D. D. to Dr Brewster, 178 
XXVIII. Analysis of a Journal of a Voyage for the Disco- 
very, &c. of a North-West Passage from the 
Atlantic to the Pacific, in the years 1819-1820, 
By Captain W. E. Parry, R. N. F. R. S. Lond. 
— — and of 
A Journal of a Voyage of Discovery to the Arctic 
Regions. By Alexander Fisher, Surgeon, 177 
XXIX. Account of the Magnetical, Meteorological and Hy- 
drographical Observations made during the Ex- 
pedition to Lancaster Sound, - - ig(> 
XXX. Analysis of Sulphate of Nickel and Copper. By 
Andrew Fyfe, M. D, Lecturer on Chemistry, 
Edinburgh, - - 208 
XXXI. Proceedings of the Cambridge Philosophical Society, 213 
