458 Proceedintjs of the 



them, cut out the pieces to be removed, and leave perfectly regular 

 smooth apertures. The application of plates so perforated, to the 

 purposes of filtration and separation, is daily increasing. 



There was also exhibited an Anatomical specimen, which had 

 been preserved for some years in essential oil of turpentine, and 

 upon which had been gradually deposited some very beautiful 

 groups of colourless transparent crystals. Some of these being 

 examined, were found to be fusible, volatile, combustible with a 

 bright carbonaceous flame, burning entirely away, and appeared to 

 consist of hydrogen and carbon, having been formed apparently 

 from a new arrangement of the elements of the oil of turpentine 

 dependant upon time. 



The application of a Steam-Engine to the processes of an iron- 

 work, was experimentally illustrated by Mr. Webster, whose models 

 of the different forms of the steam-engine are truly excellent. 



Friday^ March SOth, 



A general view of the Animal Economy, particularly illustrated 

 by a History of the Circulation in man, and other animals, was 

 given in the Theatre, by Dr. Pattison. 



A large Meteoric Stone, from the district of Agra, in the East 

 Indies, was placed upon the library table. It belonged to Graham 

 Wilmore, Esq., weighed 141b. 1 oz., and was accompanied by a 

 letter and an account of its fall, written in the Persian language, the 

 following translation of which was supplied by Dr. Wilkins : — 



Translation of an Account in the Persian Language, of the falling of 

 an Aerolite, in the night of the 7th August, A. D. 1822, near: the 

 Village o/Kadonah, i?i the District o/Agra, East Indies. 



From the perusal of an address from the Ddroghd, or Superin- 

 tendant, of Kosee, belonging to the district of Agra, dated the 14th 

 of August, A.D. 1822; and another address, dated the 18th Sep- 

 tember, A.D. 1822, in answer to a written order; it was discovered 

 that in the middle of the night, between the 7th and 8th of August, 

 A.D. 1822, (when all the people of the village of Kddonah, be- 

 longing to the aforesaid police station {Kosee) were asleep in their 

 own houses, except the watchman Sabald, who was employed in 

 the fields of the village, and the zemeendars Oo-day Sing, Sahee 

 Ram^ and Hargoband ; also the sweeper Bdchd, who were awake 

 in their own houses,) ; reports were heard (as it were) of muskets 

 and cannon towards the west, and a noise as the violence of the 



