SRS HATS SR iE ire et Midian 
Ce a ne ne ee 
Miscellaneous Intelligence. 295 
2. On the so-called nie schist of Vermont; by Charles H. Hitchcock, 
18 Dykes of Trachyte and Conglomerate in Shelburne, V ; by C. H. Hitcheock. 
Pt Fh - eampoanas Syauits Porphyry and Granite in " eeibodl, by Charles H. 
ite 
oy oe the Circulation of the sig aA sige age 
6. Some Observations on Ozone; by John 
a 11 teed on the subject of Parley Welle pa Cold Springs; by John 
8. On cutting a Threads of Male and Female Screws, so that they shall com- 
_ and termina e at any desired points with precise uniformity and correspond- 
by Cyrus Bucklan 
“a 9 A ioccned | or discharging the Leyden Jar, = —— an Imperfect Con- 
- B.C ee 
nt 
21. On the Mass of the Moon; by St tephen Alexander. 
22. A question as A the Earth's Dimensions aie Metre; by Stephen Alexander. 
23, A brief note on Comets; by Stephen Alexa 
pe On the Harmonies and the Ancient History of the Solar System; by Stephen 
25, On’ the Common Origin of the Asteroids, and also of some of the Comets of 
se meg by Stephen Alexander. 
n the Gabane of the Variation of Temperature of the Seasons; by G. W. 
n 
ig n the Theory of the Comet’s Tail ; by Benjamin Peirce 
On the Seem of the Investigation of the Physical Constitution of Comets; 
he Neneotiap eirce, 
29. On the Personal Peculiarities of Astronomical Observers; by Benj. P : 
30. On the — rae = af he observed Geo ee Changes in is “Barth's 
35. On orology; by Joseph H Centrifugal 
a [= sir’ otis "aes whic eg the Action of the per 
> Dy Charles J. Porter. Morgan. — 
2g The Indian Mode sf bastemng SoCs panes Ee 
esearches on the Platinum Metals; by Wolcott Gi American Lepi- 
“Sse : stematic jr Catalogue of all the described North 
y John orris, 
vari nut Ober Semicircle of the Zodiacal Light, as seen at night recently by 
ous observers: by Geo ones. 
l. The écrsaional Kenan of the Atmosphere at night, as Seattre P 
ei s Fa sag fs ndes; by George Jones, 6; by Elias Loo 
Nn the ro) n Stor m of Dec. 26, 183 
7 On the alleged 1 Lunar Origin of Acrolites; "by B.A. Gould, a, J. 
On t bones and teeth in the “beari g 
Nort us crevices of the 
45 ak > by itney. = ee, 
. a eer Curves treated by ne pie cig send ‘ho 
Sco d Method of Linguistic ence; W. D. 
fees f = Arts which distinguish Gi of the ami World fon the Abo- 
a) i W t . 
<? 4g Js I adie Peavaps ae ee by ae Ls 4 
H. Gi uf C otton and 
49. Winds of the Southern Hemispheres | 5 James oft, 
BI, oj the Hind Astronomy ; by Wee ot a Mby HL J. Clar 
Lasso-Cells of Polypi Acalep by H. J. 
52. On the Facetted Byes of Aap penal of Aire via: 7 
