CONTENTS 



OF THE 



THIRTV-EIGHTH VOLUME. 



Extract from a Memoir on Phosphorescence, pre- 

 sented to the Institute, ly M. Dessaignks, on April 5, 



. 1809 .. .. 3 



On a CornVmalion of Oxymuriatic Gas and Oxygen Gas 1 3 

 On the Non-existence of Sugar in the Blood of Persons la- 

 louring under Diabetes Mellitus 18 



On the Decomposition of the Muriate of Soda, ly means of the 

 IVaters flowing from the Lixiviation of the efflorescent 



pyritous Earths 27 



On the Composition of Zeolite 30 



Report made to the Institute on a Memoir, ly M. Tarry^ on 



the Composition of Writing Ink 34 



Experiments to prove that Fluids pass directly from the 



Stomach to the Circulation oj the Blood, and from thence 



into the Cells of the Spleen, the Gall Bladder, and Urinary 



Bladder, without going through the Thoracic Duct 37 



Description of an Instrument to ascertain the Velocities of 



Machinery 42 



Description of the Drawings o/'vlf;-. Loeschman's Patent 



Harmonic Piano-Forte 47 



On Rail Roads 31 



Ol^ervalions on the Expansionand Contraction (fJValer 54 

 Description of Improvements in a Matheinatical Dividing 



Engine 5 7 



Extract from a Memoir on Fegetalle and Animal Ana- 

 lysis , 60 



Vol. 33. No. 164. Dec. 1811. a On 



