Vi CONTENTS. 



NUMBER IV.— OCTOBER. 



Page 



Mr. T. Smith's Investigation of certain remarkable and unex- 

 plained Pliaenomena of Vision, in which they are traced to 

 Functional Actions of tlie Brain (continued) 249 



Prof. M. A. Kupffer's Note on the Mean Temperature of Se- 

 vastopol, as deduced from the Observations of M. Coumani 259 



Mr. J. F. Daniell's Further Experiments with a new Register- 

 Pyrometer for Measuring the Expansion of Solids 261 



Dr. W. H. Fitton's Notes on the History of English Geology 

 {continued) 268 



Mr. A H. Haworth's Observationes qucedam ad Narcissi- 

 NEAS spectantes 275 



Notice of some recent Observations of Encke's Comet, and of 

 Gambart's Comet of July 19; — extracted from a Letter from 

 Professor Schumacher of Altona to the Rev. T. J. Hussey. . 287 



Mr.W. J. Henwood on Periodical Variations in the Quantities 

 of Water afforded by Springs; — in a Letter to Sir Charles 

 Lemon, Bart. M.P 287 



Mr. T. Andrews's Chemical Researches on the Blood of Cho- 

 lera Patients 295 



Mr. R. Edmonds's Notice of the great Meteor seen on June 

 29th .S06 



Mr. J. Prideaux's Notice of the Meteor of June 29th; and In- 

 quiries relative to certain Points in Magneto-Electricity. . . . 307 



Mr. R. W. Fox on certain Irregularities in the Vibrations of 

 the Magnetic Needle produced by partial Warmth ; and 

 some Remarks on the Electro-Magnetism of the Earth .... 310 



Mr. R. Brown's Remarks on the Structure and Affinities of 

 Cephalotus 314 



Account of an Experiment in which part of the Interior of the 

 Eye is exhibited by Reflexion in the Eye-glass of a Tele- 

 scope 318 



E.W.B. on the true Source of the Amniotic Acid of Vauquelin 

 (Allantoic Acid of Lassaigne) : and on the Importance of 

 obtaining Comparative Analyses of the Allantoic Fluid, and 

 the Urine of the young Animal after Birth 319 



Mr. J. D. Sollitt's Observations of the Transit of Mercury, on 

 May 5, Ui32, made at Hull 322 



An Ephemeris of the Stars proper to be observed with Mars, 

 at the ensuing Opposition of that Planet 323 



M. Liebig's Separation of the Oxides of Lead and Bismuth . . 326' 



Occultation of Saturn, observed at Geneva — New Process for 

 obtaining Morphia — Occultations of Planets and fixed Stars 

 by the Moon, in October, 1832 327 



Meteorological Observations 328' 



NUMBER v.— NOVEMBER. 

 Prof. L. A. Necker's Observations on some remarkable Optical 

 Phaenomena seen in Switzerland ; and on an Optical Phaeno- 



