CONTENTS. Vv 
25, 26. Exchanges in natural i gai a oxide of iron, 212 
27. A parasite of the honey bee, - - et 
28. Olmsted’s Compendium of Natural Philosophy, oe me 
OBITUARY. 
1. Col. George Gibbs, - - - - - - 214 
2. Dr. William Meade, ee eee Or ee 
NUMBERII. 
Arr. I. Ten Days in Ohio; from the Diary of a Naturalist, 217 
II. Report of the Regents of the University, to the Legisla- 
ture of the State of New York, Feb. 28, 1833, = - 
III. Upon Caloric, as a cause of Galvanic Currents; by Prof. 
Joun P. Emmet, - - 269 
IV. Motion of a System of Bodies ; ‘ Prof. ye hints: 281 
V. Of securing houses and their inhabitants from fire, and of 
obtaining supplies of water and of warm air, 290 
VI. Observations on architectural, rural, domestic, and other 
improvements; by Exeazar Lornp, of New York, - 304 
VII. On the Fur Trade, and Fur-bearing Animals, -, si 
VIII. Additional remarks on the Agave and other plants, from 
which ropes, twine, and thread, are made; by James 
Measz, M. D., and H. Perrine, Esq. 
IX. Descriptions of some new North Ameren Trilbites; 
by Prof. Jacos Green, M. D 
IX.* Description of some new species of Fresh Water Shells 
from Alabama, ss &e. ; pes Tiwotuy A. a re 
Philadelphia, —- 
X. Carbonic oxide gas, obtainied fees of satheate’ acid ; by 
Prof. Tuomas D. Mrrcuext, M. D. 344 
XI. A Sketch of the Mineralogy of a portien: of ‘Jelfersbi 
and St. Lawrence Counties, (N. Y.); by Drs. J. B. 
Crawe, of Watertown, and A. Gray, of Utica, (N.Y.) 346 
XII. Geology and Meteorology west of the Rocky Mountains, 351 
XIII. On the Meteors of Nov. is 1833 ; by Professor Epwarp 
¥ 
Hrrcucock, 354 
XIV. Observations on the Metioct of ioe, 13th, 1833; Be 
Professor Denison OtmsTep. - 
* Art. LX repeated through mistake. 
