Sleam-Eng'mes.—New Extracts from Coal. 391 



Fixed Stars, in which he points out several imperfections in tlie 

 plan followed by the late Astronomer Royal, and proposes one 

 of a more definite and comprehensive character. 



28. Read a paper, by Mr. Pond, on the Parallax of the 

 Fixed Stars, containing a further application of the principles 

 developed in his former paper on Alpha Aquila;. 



A paper was read at the same meeting by Mr. M. Donovan, 

 on the Oxides and Salts of Mercury. 



LXVII. Intelligence and Miscellaneous Articles. 



STEAM ENGINES IN CORNWALL. 



X^ ROM Messrs. Leans' Report for April IS 18, it appears that 

 during that month, the following was the work performed by 

 the engines reported with each bushel of coals. 



NEW EX'tRACTS FROM COAL. 



Dr. Jassmeycr, Professor of Chemistry in Vienna, has made 

 the discovery of a means to extract from coals two hitheito 

 unknown acids, a resin, a resinous gum, and other elements, 

 which he has employed with surprising success to the purposse 

 of dyeing wool, silk, hair, and linen, and has produced from 

 them red, black, yellow, and various shades of brown and gray. 

 Count Von Chorinsky, President of the Aulic Chamber, and 

 many other enlightened judges of these matters were present at 

 these experiments, and testified their entire approbation of this 

 useful discovery. 



LOCUSTS IN INDIA. 



About the 20th June 1812, a very large flight of locusts was 

 observed hovering about Etawah, which at length settled in tiie 

 fields east of the town, where they remained home time, and 

 were seen copulating in vast numl)crs; thoy then took tliolr de- 



B b 4 departure 



