288 Miscellaneous Intelligence. 
Names. . Date... Discoverer. 
1. Ceres, : 1801, January 1, sete Piazzi. 
ag 1802, March 28, ’ Olbers. 
-Juno, ~~. 1804, September 1, - Harding. . 
4. Vesta, - 1807, March 29, e Olbers. 
5. Astrea, . 1845, December 8, Hencke. 
6. Hebe, . 1847 ly 1, . _, Hencke. 
7. Iris, ‘ ' August 13, ‘ Hin 
Ba PIDs iY 7 October 18, Hin 
9. Metis, j 1848, April 25 Graham 
10. Hygeia, . 1849, April 12, Gasparis 
11., Parthenope, 1850 ay 13, . Gasparis 
12. Clio, : $6 September 13, ind. 
13. Egeria, . . = ovember 2, . Gasparis 
14. Irene, ,» “1851, May 20, | . ind. 
15. Eunomia, . Yo a ee, : Gasparis. 
V. MiscenLaneous INTELLIGENCE. 
College, both by Newman; also with the standard of the Observatory 
Paris, and With another by Troughton & Simms of London. 
found to differ more than a given quantity from the standards were 
rejected, . 
The instruments for detecting the variation of the hygrometrical 
condition of the atmosphere, consist of two thermometers, of the sam@ 
dimensions, accurately graduated. The bulb of one of these is &®” 
Pos 
