CONTENTS. 
I. The Bakerian Lecture. On some of the Combinations of 
Oxymuriatic Gas and Oxygene, and on the chemical Relations 
of these Principles, to inflammable Bodies. By Humphry 
Davy, Esq. LL. D. Sec. R. S. Prof. Chem. R. I. page i 
II. The Croonian Lecture, on some Physiological Researches, respect- 
ing the Influence of the Brain on the Action of the Heart, and on 
the Generation of animal Heat. By Mr. B.C. Brodie, F.R.S. 
p. 36 
III. On the Expansion of any Functions of Multinomials. By 
Thomas Knight, Esq. Communicated by Humphry Davy, 
Esq. LL.D. Sec. R. S. p. 49 
IV. On a Case of nervous Affection cured by Pressure of the 
Carotids ; with some physiological Remarks. By C. H. Parry, 
M. D, F. R. S. p. 89 
V. On the Non-existence of Sugar in the Blood of Persons labouring 
under Diabetes Mellitus. In a Letter to Alexander Marcet, 
M. D. F. R. S. from William Hyde Wollaston, M. D. 
Sec. R. S. p. 96 
VI. On the Rectification of the Hyperbola by Means of Two Ellipses ; 
proving that Method to be circuitous, and such as requires much 
more Calculation than is requisite by an appropriate Theorem : 
in which Process a new Theorem for the Rectification of that 
Curve is discovered. 
To which are added some further Observations on the Rectification 
