4S2 Intelligence and Miscellaneous Articles. 



'& 



some time ceased, and precipitating the barytes, accurately, by sul- 

 phuric acid, while the liquor was hot. The acid being but very slightly 

 soluble while cold, was precipitated almost entirely in the form of 

 pearly and shelly crystals. The taste was acidulous, much resem- 

 bling that of mucic acid. This process is more convenient and ex- 

 peditious than that proposed by M. Plisson, which consists in boil- 

 ing asparagin with litharge, and decomposing the aspartate of lead 

 by sulphuretted hydrogen. The insolubility of the oxide and aspar- 

 tate of lead increases the length of the operation. Aspartic acid 

 appears to consist of 8 atoms carbon, 12 hydrogen, 2 azote, and 

 6 oxygen ; or 



Carbon 41-78 



Hydrogen 511 



Azote 12-09 



Oxygen 41-02 



100-00 

 This is the composition as it exists in the aspartates; but in its 

 crystallized state it contains water, (which however it does not lose 

 by exposure to a temperature considerably above the boiling point 

 of water,) and then consists of 



Carbon 38- 



Hydrogen 5*54 



Azote 11-23 



Oxygen 44-43 



Aspartate of lead was found to be composed of 66-9 acid, and 63*8 

 oxide. Aspartate of silver yielded acid 43-0, oxide 43-0. — Journal 

 de Pharmacie, April 1833. 



COVENT-GARDEN MEASURES. 



To the Editors of the Phil. Mag. and Journal of Science. 

 Gentlemen, 

 There is a deficiency in the specification of the relative capacities 

 of the measures used at Covent Garden, (page 406 of your last 

 Number,) which I will thank you to correct j — thus, 



2 sieves = 1 bushel. 



4 half sieves = 1 bushel. 



8 quarter sieves ss 1 bushel. 



12 large punnets =1 bushel. 



16 second punnets =1 bushel. 



32 third punnets = 1 bushel. 



48 least punnets = 1 bushel. 



In other words, the Sieve may be considered equal to half a bushel. 



Half sieve =1 peck. 



Quarter sieve =1 gallon. 



Second punnet =1 pottle. 



Third punnet =1 quart. 



Least punnet = 1^ pint. 



Yours, &c. 

 May 9, 1833. B. Bevan. 



