The next No. of this Journal will be published on a the Jirst of May. « on 
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CONTENTS. 
XVII. Extract from a Discourse pronounced by M. Exie 
pe Beaumont at the funeral of M. ALEXANDRE bib sr i, 
deg tide 9, 1847, 
i"On the nduibtics of Light by Chemical Astios 2 by Prof. 
~Joun Wiritam Drarsr, M.D., - 
TX. Caricography ; 3 by. C. Dewey, D D., 
; X. Outhe Parallelism of the Palzeozoic Deposits of ‘North Ane 
ae with those of Europe; are ed by a Table of the Species 
: ay wo wapsnanls,: Es indication of 
inated by a critical 
ALL, 
; id Garkonie Acid with MkMin’ wa 
her Bases; by Wm. F. Cuannine, M.D., 1 
I. Historical Notice of the Tijacdtery of. the Planet Neptune ; 
by Professor Loomis, of the New York University, 
xxi, Notes upon the Drift and Alluvium of Ohio and the West ; ; 
y CHARLES WHITTELSEY, 
A Memoir of Dr. Douglass Heavhion: ; late “State Geet: 
gist, and Professor of Geolagy and Chemistry in the Univer- 
sity.of Michigan, - Wi. 
Vv The Soe and least Circumscribing Gone: by Prof. E.S. ea 
e Taek icaeis 7 Fraoklin, Duby 
h an Effort to explain Electrical Phenomena — 
oe Rotieinatic: <i Prof. —— 
/ caanen of a Consoiiad ‘Aahrotetie® Microecoes 
ade by Charles A. i en id a tota, N. Bi 
R. cae) a BED, 
re 
Boston, oa Ae 
tke Results of the P alesntalogc! SC td in. the Stx 
» of New York.—Il. Prof. Gale on the. Natchez pe: For. 
 2mation, 24 
XX: Abstract or a Méteoidldgicat Tourtial & the vents 1847, ; 
Kept at Marietta, Ohio; by 5. P. Hitpaera, M.D., 
Septem 
SCIENTIFIC INTELLIGENCE. 
str brass in wea eT the i Se eg — of ase and. Gases 
LRADAY, Effeet of the Fusion bes Siliceous Minerals on th th 
> Met: and Bays ro-actic 3; On ‘the F ‘s pres of — 
sacarane, 258.—Method of de 
gar with Starch: st wd andthe Syr 
