NOTES. 
Robinson, Dr. S. “Catalogue of Addefican Minerals,” 200 
loc 
alities of Minerals, 230 
Rock Crystal, the Formation of, ey 
Rock Formations, Mr. Maclure or 
Rogers, Dr. G. A. on Pot and Post Asis 304 
Royal Encouragement, 371 
Sahlite, 8 
Bolisbery ges and Mineralogy of, 252 
Sand, Blowing, 3 
Saw, ‘acceleration of the, in the night, 393 
Scapolite, 233 
School of Rural Economy, 183 
ga Plants “ Easton, Penn. 2€7 
oe Peogettions the, 376 
Seybert, H : Ansa of the hac ie 105 
— ofan Hydrate of lron, 298 
of the ioe ea 300 
Shepard C. W. localities of Minerals, 235 
Sibley, Dr. J, letter to the Editor, 221 
Sicily, Geolegy and ae tied of, 201 
Signs, the language of, 
Spain, difficulty of mineral excursions fa 187 
Spinning Machine 
Spodumene, ecalitien of, 118, 243 
Stalactical fron g" — 
Stone, single blocks. 
** Storia Naturale della Sicilia” A bimian 201 
_ Sulphur, pocne of hot iron by, 1 
7 
of an excessive use of, 394 
a pn 
Swainson’s- ss Naturalist? s Guide,” 183 
Hien. 1s er of Minerals, 205 J 
‘yor, Sea 
Temperature, effect of. on the moving power of Waiter, 393 
121° 
Thermometer, Prof. gree on the construction of, | 
Terie a new Minera L, 192 any: 
pe 
a 
