: | Fires, Natural, 55, 1 
INDEX. a 403 
Defepratoe mproved forms of | the, 98 
ee aaah ‘the proofs of a, 1 50, 31" 
Dewey, Prof. his geological sketch of Nasachusets &e, 1 
——_———— additional remarks, 
Seika graphy end, 93, 264 
Dobereiner, on the Capillary action of Fissures, 377 
Ductility of Glass, 39 
Durand, Mr. his Engraving, 1 
Dwight, President, on the West and North West Winds of New- 
7 
Eaton, Prof. his geological Survey, 195, 358 
———- on anges in Beclory: proposed ss Philtips 
oa Conybeare, 2 
Edita Penn. Geologs and Mineralogy of, 236 
Editor, his remarks on Prof. Vanuxem’s paper, -— 
on the formation of Grystate's in Geodes 
Educa aisati Mr, gp s remarks on oe asredvaats in, 188 
Electric Light, 3 ae 
Electrical Rlositees: Plat 
~ coat the two Sivinseinhes, 373 
Ereity on separation off parts, 379 
nimal, 
Elecwaiaganle and Galvanic en by Prof. Hace: 145 
Electrometer, Prof. Hare’s Si 
Emmons, E. on granitic veins and beds, a8 = 
Emperor of Russia, 371 : 
cent precisa of the, 132, = 
alvan iy Prof. Hare, hah ; 
“See the Marquis, his letter to Col. Trumbull, 17! 
Ferrara “ Storia Naturale della Sicilia,’ 201. 
Bj eld, Manin, his oie of ied oe 9 Pimelite 
eorologica) Notice 
Finch, John, his Geolony of Easton, Peon. "a3 
‘the Forts around Boston, 338 
aay 
ae 
Fish, Hatching of, 3 
——-Preservation - . Sugar, 391 
Fisher, Prof. Remarks on his paper on the | maxinia sink minima 
of faneti 
HIS y 
m non acid fumigations, 200. ee 
m1, 338 ; 
Ha 
Friction, The hea san puchaced by, 276 
Pamizaone add; 200, 
