CONTENTS. 
STATISTICS. 
1. On the law of increase in the human stature, - - 
2, 3. Longevity of trees—Connection between civilization and 
1, 
mental aberration, eS s us s a 
NECROLOGY. 
2. Frederick Philip Wilmsen—Edward Thomas, - - 
MISCELLANEOUS CONTRIBUTIONS; BY CHARLES U. SHEPARD. 
1, 2, 3. To destroy weeds in the alleys of gardens—Preserva- 
tive against flies, employed by the butchers at Geneva— 
Coloring materials suitable for confectioners and distillers, 
4, 5. To protect iron and steel from rust—A new plant which 
furnishes a wholesome and limpid water, - - 
6, 7, 8, 9. New species of plants discovered in Siberia—New 
method of transplanting trees—Imitation of platina—A new 
method of dyeing hats, - = = 2 
10, 11. Blue coloring matter extracted from the stem of the 
buck-wheat—Heating of water, = g 
12. The conversion of magnetism into electricity, - - 
13, 14, 15. New lamp—Pelokonite, a new mineral—Soda Alum 
of Milo, a sulphate of alumine, “ = e s 
16. Datholite and Iolite in Connecticut, < < z as 
benok 
Go 
4. 
OTHER NOTICES. 
. Notice of Eaton’s Geological Text Book, second edition, 
. Rational expressions for sines, tangents and secants, 
. Abstract of Meteorological Observations, made at Middletown, 
Monmouth Co., N. J. - - = 2 a : 
Treatise on Mineralogy ; by Cuarnzes U. Suerarp, - - 
5,6. West Chester County Cabinet of Natural Science—Destruc- 
tion of Birds by starvation, —- = 
APPENDIX. 
On the Production of Currents and Sparks of Electricity from 
Magnetism; by Prof. J. Henry, - = 2 
Notice of Electro-Magnetic Experiments, - 
Report of the Regents of the University of the State of New 
York, to the Legislature, March 1, 1832, - 
Vil 
Page. 
376 
379 
380 
381 
382 
383 
384 
386 
387 
389 
391 
392 
394 
395 
402 
403 
409 
415 
