BEOEEATIYE SCIENCE. 



Number each 

 Obgerver baa 

 discovered. 



. 2 



. 3 



. 4 



4 

 5 

 4 

 5 

 1 

 2 

 (5 

 7 

 3 

 G 

 8 

 

 2 

 1 



.10 

 7 



11 

 1 

 I 



. 1 

 . 1 



Of the small planets, nine were discoreretl in 1857, eight in 1852, six in 1854, five in 

 1856, and five in 1858, four in 1853, and four in 1855, three in 1847, and three in 1850, two 

 in 1851, and one in 1801, 1802, 1804, 1807, 1848, and 1849. Goldschmidt lays claim to the 

 discovery of eleven, Hind of ten, Gasperig and Luther of seven each, Chacornac of five, 

 Pogson of three, Olbers, Hencke and Ferguson of two each, and Piazzi, Harding, Graham, 

 Marth, Laurent, Searle, and Schubert of one each. 



Sighfield House Observatory, Nottingham. - E. J. Low:fi. 



HOW TO GATHER DIATOMS. 



■^ase-j- 



The Diatomacese being objects of interest 

 to most persons possessed of a microscope, 

 a few plain directions for gathering them 

 may be appropriate to a time when aU who 

 can get a brief holiday, are either away, 

 or going to the seaside, or wild inland dis- 

 tricts, where the finest are to be had. 



With a general understanding that they 

 all grow in water, fresh, salt, or a mixture of 

 the two, the materials required for collecting 

 are : — From one to two dozen of " Preston 

 Salts" bottles with corks ; a long light stick, 

 for which the two thick joints of a cheap 

 fishing-rod answer well, the hollow serving 



* Virginia, fifteen days later, by Luther. 



+ Pseudo-Daphne, discovered by Goldschmidt, September 9th, 1837, yet thought by him to be Daphne. 

 Schubert, from calculation, proved it could not be Daphne. Yet neither astronomer has as yet named it. 



{ Neptune, independently discovered from calculation by Le Verrier and Adams, and found telescopically 

 tyDr. GaUe. ' 



