Art. I. 
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CONTENTS OF VOLUME XL.- 
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NUMBER I. 
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P. 
Notices of European Herbaria, particularly those most in- 
teresting to the North American Botanist, 
. Fragments of Natural ee by Prof. J. P. Cncelans, 
. Sicily of a Halo or Coren of great ‘pletor observ- 
ed at Greensburgh, Westmoreland County, Pa.; by At- 
FRED T’. Kina, 
. Extracts from the Drcccling: of the i cten Philosspl 
ical Society, 
. Additional Remarks on the Tails of Cotaees: by Wirriaie 
MitcHet, 
. Notice of a Loctisg of Zackiiee, ka. at gt ee ik 
County, New Jersey ; by Wm. Diane Bourne, 
. Notice of the Geological Survey of the State of New York, 
presented to the Legislature, Jan. 24, 1840; by Prof. Ox- 
IVER P. . Hupparp, M. Dig. . 
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. Description of some new species of Foteil Shells, fron the 
Eocene, at Claiborne, Alabama; by Henry C. Lea, 
. A Description of several New Electro-Magnetic and Mag- 
neto-Electric Instruments and Experiments; by Josera 
Hate Asppor, 
, Development of some interesting Drepenies of Nombere: 
by Georce R. Perkins, 
. Remarks on the Geological Fostires of the Island of Gays 
hee or Hawaii, the largest of the group called the Sand- 
wich Islands, with an account of the condition of the 
Volcano of Kirauea, situated in the southern part of the 
Island near the foot of Mouna Roa; by Epwarp G. Kex- 
LEY, 
. The biliphoyment of otiae asa siiggint for Hydrsolphu 
tic Acid; by M. AtpHonse pu Pasquier, 
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