iv CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
Physics.—On a new form of Spectroscope ; ; by Dr. Wotcorr Grsps, 110. 
General Chemistry —On th See a of Ozone, Scuénsetn: On the eegteete _ 
D : eel 
air under the influence of heat, 113.—On a new mode of detecting the Latres of 
small quantities of peroxyd of hydrogen : On the oxythylene bases, Wons On 
apna BerTuEeLotT: On anew series of compounds containing hod FRaAnNkK- 
ND, 115, 
ee Ley t f ists wea of Magnesia Salts towards Carbonate of Ammonia, 
Diver n Arsenic in exe erpeid, Buioxam: Estimation of Lime, WicKE: 
Soemnes ports Hs of Starch 
Metallurgy.—Metallurgy. The art of Se metals from their ores, and ada opting 
a 
m to various purposes of manufacture ; by Joun Percy: Occurrence of crystalli 
Silicon in Pig iron, -by Prof. Ropert Ricuter, 118.—Concentration er in lead 
by P: Sa not .desulphuration of iron in puddling, 119.—On 
in some varieties of iron, 120. 
Agricultu duced 
from the Decom of Ca rboni cid by Leaves Mig 0 to the Light; by M. 
BoussinGav ur, | pero {S$ ea in various Seeds, DraGenporFF: Peat-sand- 
stone, Dr. Meyn, 123,—On the Sodbneee of Silica in the higher Plants, 124. fo 
Ss ple with feathers, in a sin er Jurassic age; by A. Wagner and H 
von Meyer, 129.—Note by James D. Dana, 130.—Additional remarks on the same by 
. Woopwarp, 132.—-On some additional species that are common to Carboniferous 
jan ~— with remarks on the recurrency of Carboniferous cies; by 
ag W. Kirksy, 133.—Geological Survey of Canada.—Re on the ology of 
Canada: Descriptive io a of a collection of Economic “Min nerals of C anada, and 
of its am ne Rocks 
Botany and —Genera pantry ad Exemplaria imprimis in Herbariis hie 
bus serv: odo “> ita auctoribus G. Bentuam et J. D. Hooker, 134.-——-Darlin 
Californica, Torr., | heen Collections in the Rocky Mountains, 137. napa 
Filicum ; by Sir Ww. J. Hoo 
Zoology. arg sesaraea of peechyres and on the heels ies of the antennary 
joints in Decapod Cru ; by Wm age M.D., bservations’ on the 
genus soe etc.; Fixe & Lea, LL.D., 
Astronomy and Meteorology.--Re-discovery of ica Asteroid (41), 144.--Discovery of 
a new Aste oe) ioahisas by M. Tempel: Discovery of Asteroid (75), i —Astronom- 
ical and Meteorological Observations made at the United States Naval Observatory 
ne the 17), 4k 1861.; Commander J. M. Giuuiss, U.S.N., Superintendent : : Discovery 
steroid (7 
Meteorology —Shooting hoe of November, 1862, 146.—Observations at 
Pa. by nJ. V. Marsn: Observations at ber ghee panes. 2 7 Prof. S. a Gunsten 
and Jos, G. pens rvations at Str N MaSTERMAN: | 
servations at New Haven, by Prof. A. Cv Twinisa, 147. ar wae“ Periodic 
teors: Shooting Stars of January Ist-3d; by STILLMAN Mas?eauane, ge the 
forilliancy of the variable Star, Mira Ceti; by Weriiauis Maste 
Miscellaneous Intelligence —Discovery of Antimony in New Brunswick, 150.— 
Prof. H. A. oh: Ward's Gevlogeal Museum, 1 152) 7 
Book Notices.—Sur la Physique du Globe, A. QuereLer, 152.—Report of a 
cal Reconnoissance of yee rae made r alien the years 1859-60, | vader direction ag 
late David Dale Owen, MD. State Geologist; by KicHaRD Owen, M. 
Obituary.—James Alfred Pearce : Theodore Parkman, 155. 
Proceedings of Societies,—Bost. Soc, Nat. Hist.: Acad. Nat. Sci. Phil., 156. 
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