CONTENTS OF VOLUME XII. 
: —EQr-— 
NuMBER I. 
B 
Arr. I. On the present state of Chemical Science, (continued.) By 
Denison Olmsted, Prof. of Mathematics and Natural Philoso- 
phy in Yale College, 
IL. Improvement in the manufacture of Magnetic Needles. By Prof. 
Ti. Notice respecting. a ee in the State of New-York, 
elsewhere Prof. Amos Eaton 
eV. Views of the Pree in Nat aie whi ich, under particular cir- 
ng ago Vegetables ee on the bodies of Living Animals. 
By muel L. Mitchiil > | 
V. A Review of t the Principia of Newton, (continued.) 28 
VI. Improved Eudiometrical Apparatus. By Prof. Robert Hare, 36 
Vil. pit a a Criticism of Prof. Olmsted, upon the arguments re- 
e materiality of neue - side d by De, Hane > 
VILL Obrervation relative to som the mountain districts of Penn- 
and a ered of that State, in its anthra- 
ee eenawadie t and iron, with miscellaneous remarks. 
Piere 
TX. Remarks on the ‘Kodiretiees of Europe and America. By Wil- 
liam Meade, M. D. &c. 
X. Proofs, drawn from — ogy, of the abstraction of Nitrogen 
i = saree », by organization. By Prof. Lardner Va- 
. Carolina Soll lege, 
XI. Vindication of the Memorial on the upward forces of Fluids. 
By = Cc. — of 
XIL. Neweilian Bpbsr ¢ 103 
XItl. Notice of the m-Boat Babcock. By J. H. Patten, 11> 
wv. yee ates teas kept at Westfield, Mass. By E. Davis, 119 
XV. Notice of Floatin Islands. Amos er 122 
XVI. Examination of Mr. Quinby's Principle k Mot 1 
XVIL. a relative to se cis ing Machinery se a Blast Fur- 
y Mir. £ 
SXVIIL. New Senenivatien of ihe Binomial Theorem. By Prof. Theo- 
ore Strong, 132 
XIX. Notice of some recent experiments in boring for Fresh Water, = 
and of a pam abet t on that subject, 136 
“KX. Notice of peekie facts relating to Palestine,—in a letter from 
he Re aac Bird to Prof. Hall, 145 
XX. oe and other volatile ingredients, in Sto 14 
MMI. ars a Meteorologica = ise ister. for rang al 1822—5 ; 
oe rvations made b lagen of the army, at the 
weanars Posts of the Dnited ie 14 
* The three last articles are, in the text, erroneously numbered XIX. XX. 
and XX]. 
