ait Intelligence and Miscellaneons Articles. 



glass and excluded from air, according to the plan of Mr. 

 Ward ; under the direction of Dr. Dalton, Dr. Daubeny, 

 Rev. James Yates, and Prof. Henslow, who will act as 

 Secretary. 



Medical Science. 



50/. Renewed grant to the Committees appointed to investigate the 

 subject of the Anatomical Relations of the Absorbents and 

 Veins. 



50/. Renewed grant to the Committees appointed to investigate 

 the Motions and Sounds of the Heart. 



25/. For Researches into the Chemical Composition of Secreting 

 Organs; under the direction of Dr. Hodgkin, Dr. Roget, Dr. 

 G. O. Rees, and Dr. Turner. 



25/. For Investigations on the Physiological Influence of Cold on 

 Man and Animals in the Arctic Regions; at the disposal of 

 Mr. King. 



25/. Renewed grant for the Investigation of the Effects of Poisons 

 on the Animal Economy ; under the direction of Dr. Roupell 

 and Dr. Hodgkin. 



25/ Renewed grant to the Committee formerly apjwinted to inves- 

 tigate the Pathology of the Brain and Nervous System. Of 

 this Committee Dr. O'Beirne has been requested to act as 

 Secretary. 



25/. For Investigations on the Physiology of the Spinal Nerves ; 

 under the direction of Mr. S. D. I3roughton, Mr. E. Cock, 

 and Dr. Sharpey. 



Stadslics. 

 150/. For Inquiries into the actual State of Schools in England, con- 

 sidered merely as to numerical analysis ; under the direction 

 of Mr. Hallam, Mr. Porter, and Col. Sykes. 



Mechanical Science. 

 50/. Renewed grant for an Analysis of the Reports of the Duty of 

 Steam-Engines in Cornwall ; under the direction of Mr. 

 Cubitt, Mr. J. Rennie, and Mr. John Taylor. 



LXII. Intelligence and Miscelkmeous Articles. 



ON SEVERAL NEW COMBINATIONS OF PLATINUM. 

 BY J. W. DOEBEREINER. 



'T'^HE cyanuret of potassium and platinum, produced according to 

 A the method of L.Gmelin, is known to form, with a solution of 

 tfw acid protonitrate of mercury, a beautiful smalt-blue precipitate, 

 with the disengagement of a small quantity of nitrous gas. 



On a closer examination this precipitate affords several interesting 

 appearances and new products (cyanuret of mercury and platinum, 

 cyanuret of platinum, and a compound of hydrocyanic acid and 

 cyanuretof platinum), as well as the proof that platinum and cyanogen 

 are mutually disposed to enter into very close combinations. 



This precipitate may be washed with cold water acidulated by nitric 



