ii " CONTENTS. 
Art. VIII. Observations on Magnetic Attraction. By S. H. 
Christie, Esq. In a Letter to Dr Brewster, 289 
IX. Account of an Extraordinary Appearance of the 
Sea, observed 31st July 1785, in a voyage from 
Johanna to Bombay, Long. 6l* 25" E. Lat. 6° 32' 
N. By Francis Buchanan, M. D. Communi- 
cated by the Author, - - 303 
X. On the Action of Water on Magnesia and its Car- 
bonate. By Andrew Fyfe, M. D. Lecturer on 
Chemistry* Communicated by the Author, 305 
XI. Narrative of a Voyage to Davis’ Straits in 1820. 
By Mr William Jameson, Surgeon. Commu- 
nicated by the Author, - - 309 
XII. Memoir of the Life of Martin Henry Klaproth. 
By E. G. Fischer, - - 319 
XIII. On certain remarkable Instances of Deviation from 
Newton’s Scale in the Tints developed by Crys- 
tals with one axis of Double Refraction, on 
exposure to Polarized Light. By J. W. Her- 
schel, Esq. A. M. F. R. S. Lond. & Edin. and of 
the Camb. Phil. Soc. (Concluded from Vol. IV. 
p. 344.) - 334 
XIV. On the Phormium tenax, or New Zealand Flax. 
By John Yule, M. D., F. R. S. E. Communica- 
by the Author, - - 341 
XV. On Metallurgic Crystallography. By Professor 
Haussmann. (Continued from p. 164.) 344 
XVI. Account of the Electro-Magnetic Apparatus of 
Lieut.-Col. Offerhaus. By G. Moll, A. L. M. 
Phil. Doct, Member of the Royal Institute of the 
Netherlands, and Professor of Natural Philoso- 
phy in the University of Utrecht. In a Letter 
to Dr Brewster, - - 352 
XVII. Observations on the Hatching of Fowls from Eggs, 
which have been laid subsequent to the death of 
the Male Bird. By the Rev. Mr Jameson, 
M. W. S. Communicated by the Author, 355 
XVIII. On the Ancient History of Leguminous Fruits. 
By Professor Link, - - 357 
XIX. On the Geographical distribution of Insects. By 
M. Latreille, - - 370 
