TABLE OF CONTENTS. 
eee eel 
Vol. 2.—No. I.—APRIL, 1820.—Enrtire No. V1. 
TOPOGRAPHY, GEOLOGY AND MINERALOGY. 
Page 
Arr. I. Account of a journey to the summit of Mount 
Blanc ; by Dr. Jeremiah Van Renssellaer 1 
iI. Account of the Kaatskill Mountains ; ; by a Hen- 
ry E. Dwight “ - ii 
WI. On the Prairies and Bamens of ihe West by: Mr. 
A. Bourne - - 30 
FOSSIL ZOOLOGY. 
IV. Observations on some species of zoophytes, shells, 
&c. principally fossil, by Thomas Say, (concluded) 34 
MEDICAL BOTANY. 
 V.* On the Ergot of Rye, by Dr. William Tully 45. Z 
MATHEMATICS. 
VI. Mathematical Problems, with geometrical con- 
structions and demonstrations, by Professor Theo- 
dore Strong—(to be continued ) - - - . 54 
HARMONICS. 
VII. On different modes of expressing the magnitudes 
and relations of Musical Intervals, with some re- 
* ERRATUM. — 
In the Text, the Roman Numeral was inadvertently omitted, before this 
article, and in consequence, the other articles are numbered, erroneously— 
i.e. Art. V.in the text, should be VI. and so on 
