$20 Miscellaneous Intelligence. 
cated to transit piers and clock piers through the walls of an observatory building, 
id. 
Observations of oe Joe AsapH HAL 
Star places, Lewis —Solar parallax fom minor planets at opposition, id. 
On determination of orci of form of the pivots of meridian instruments, 0. A. 
Youn 
On the color correction of achromatic telescopes, WM. Har 
The past avo 4 of the world’s metrology as bearing on the pitas of science, 
F. A. P. BARN 
New coaisok rae Photometry as applied to oe bag P. H, VAN DER WEYDE. 
A table of remainders of 2" to various prime m K.P. AUS 
On the identity of the lines of Oxygen with bright ol ei mite as shown in pho- 
= a trigonometrical view of the calculus, J. Tiowen 
a resonant tuning fork, T. A. Epison.—On the ‘phenomena of heating 
ra : 
Observations of the transit of cha 878, Mer 6, including a ere 
search for a satellite, and measures of the diameter of the p lanet, D. P. TODD 
i i H 
eth of 
explosive and detonating se, A saa B.S. HEDRICK. 
A study: forms of energy, J. D. Wa 
Il. Chemistry. 
ction of ozone upon the coloring matter of plants, A. R. Lae, ee 
* Fatal SyEnpS by ozone, id.—Reduction of de aa acid by phosphorus at 
temperatures, id.—Oxidation of carbonic acid by air over phosphorus at 
ee Saeed temperatures, id. 
Household chemistry, E.uen H. Rr 
On the deterioration of Sowwte/ bindings, W. R. Nicxors.—Observations 02 the 
variations in the tempera’ and chemical characters of Fresh Pond, Mass., id— 
On an accidental pai sce of a source of water a S id. od 
in sap of the sugar maple, H. mex.—A modifi 
‘i 
the construction of an apparatus for the analysis of gases, E. oe 
—Results of systematic analyses of air, designed to iiecover the cause O 
: ined id 
OMITH. 
Note on ce ease of corrosion of the metal tin, J. W. OSBORNE. wth 
ee limits et i meieorolgical conditions governing the extension of beet 
> . 
On — ction 0 ag srr caustic alkaline — on glass, A. — a TE 
A mination of black ozokerite, C, G. WHEEL: ried 
Beit of ea pe cos of say eka —— the gem beds fa Ceylon, with 
£ 
Ill. Geology, a ia 
ag succession of glacial deposits in New England, W. U 
the thinning and absence of Upper Silurian and avant formation 13 
7 
Blue Hill, Me., C. H. Hirowcock. 
vered cupreous veins 
the histology of insects, C. 8. aces te banaue w vee ae : 
coors of life, id. —On the anatomy of Plathelminths, id. 
