CONTENTS. 
further Researches on the magnetic Phaenomena produced by 
Electricity ; with some new Experiments on the Properties 
of electrified Bodies in their Relations to conducting Powers 
and Temperature. - is ‘ i 406 
Account of an Hydraulic Orrery on an improved Principle of 
Motion. es we ee ee sa oe 415 
On the rolling Pendulum. .. as vs os 417 
Some Observations and Experiments on the Papyri found in the 
Ruins of Herculaneum. .. te oi she 421 
Remarks on Dr.REAvE’s Paper on Refraction. .. ve ae 
Thoughts on the Cultivation of Maize as a green Crop, to come 
in late in the Summer and Autumn. .. + .. ee 433 
Answers to ‘* Questions addressed to Naturalists.’ oe 4d0 
On Mr.Sourn’s Catalogue of Double Stars. .. ~. 442 
True apparent Right Ascension of Dr. MasKeLYNE’s 36 Slars 
for every Day im the Year 1822. .. yc os 469 
Notices respecting New Books. .. 60, 141, 209, 296, 382, 
444 
Proceedings of Learned Societies. 64, 142, 217, 302, 385, 
447 
Intelligence and Miscellaneous Articles. 67, 144, 217, 805, 386, 
450 
Listief Patents... ..:« es .. 74, 152, 236, 313, 395, 
463 
Meteorological Tables, 79—S0, 159—160, 239—240, 319~— 
320, 399-400, 472—473 
THE 
