CONTENTS OF VOLUME III. 
NUMBER VII. 
Page 
Arr. I. On Zodphytes, No. Ill; by James D. Dana 1 
If. On the Induction of Atmo ospheric Electricity on "the Wires of 
the Electrical Telegraph; by Prof. Josepa Henry, 25 
Ill. A New Mineral from the Azores ; by J. E. TESCHEMACHER, 32 
IV. On the Delta and “Allavial Deposits of the Mississippi, and 
other points in the Geology of North pase aenere in 
the years 1845, 1846; by C. Lyett, 
V. Hybridity in Animals, considered in patenbobe to the iuasationt 
f we Unity of the Human Sees by penne ge 
Morton, M.D. 39 
VI. Solita, of a Meihetnetival Problem by 0. Roo . - 50 
VII. On the North American Species of Tso’tes and Marsi ilea; by - 
iti Conicnn niga by Dr. G. Ene GELMANN, . io 
a ‘ 
Professor of Chemistry, &c., at the U. S. Military Academy, 380 
XI. On the noe Meads igi of Riksta: by, J. E. eae MA- ae Te 
XII. On the existence of eertain Lunbiisotting Depeésite, in ithe: vicin- — 
ity of the pies beni ay cpisanaad with ite a eule ‘* 
by L.A. L 
- 90 
y I. 
XIII. On the Origin of Continetits ; iy San Jam oh Dana, - 94 
XIV. Description of two New Species oe ‘Shells by Winuiam 
Cask, Cleveland, Ohio, - - 101 
SCIENTIFIC INTELLIGENCE, 
Physics and Chemistry.—Gun-Cotton, 102.—On the Compounds of Phosphorus 
nd Nitrogen, by C. GerwArpr, 10: —Esperimentl Researches on the Nutri- 
iy e Power of green and dry Fodder i, ey M. BousstnGautt: On the progressive 
heat : M 
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Condition, by Dr. Scorrszy, 114.—On some Results of the Magnetic gg 
tions made at General Sir T. M. sey oe s Observatory, Makerstoun, by J. 
Broun, 115.—New Metal, Ilmenium, 1 
. Ge eology.—Crystallized ——— of Lead, at > New York, 
ha ove Oe eansive; a new ore of Uranium, by Joun L. LeContez, 
