INDEX. 
Olmsted, Bere - eat science, 1 
cism on heat, 50, 359, 366 
al, gr’ pore 
Dpium, te test for, 291 
Jxygen, anatreceed from the atmosphere, 91 
Palestine, fact s concerning, 145 
Paragréle, 
Paris Linnean es 397 
Parasitical = 
Patten, ike steam-boat Babcock, 115 
Poaiy ena Pieces on, 
eolo ical survey of, 173 
Percival, J. G. curious Amey of solar light, 164, 180 
Petrifactions, collectio 
Pettingall, Amos, on Suiek islands, 122 
Phosphuretted hydrogen, L. C. Beck on, 294 
Pierce, J re) ion 
~~ oe 
st? 
nets, motion of, represented, 103 
Platinum, actio n of on combustible gases, 181 
» 196 
Pp 
Pottsville, 
Principia o of Newton, 28, 320 
i 
Quinby on rpbose Motion, 124, 338, 344 
—— blo 
ines, 346 
Refracting , power of simorbere 
Refrigeratio g compou 
Respiration, chemical proc of, 396 
Review - = J elie na of Rowton, 28, 330 
merica 
Ritter, wueoan Belmont anthracite, 301 
Robertson, E. the & ut, 
Salt iptingt of Poueyivanix, 70 
Sea serpent, 37 
Shepard, C. U. on na iron, 155 
—————— e of Fear 156, 161 
mais ent of topaz, 158 
Cyanite ati Sillimanite, 159 
Sillimanite, 
Sna 
Soda, ni f 
Soils, saaigel of, 370 
Springs, new m mineral, 144 
Steam-boat Babcock, 115 
Steam-engine, 38 
St ones, Knox’s analysis 0 of, 147 
Strong, Prof. binomial theorem, 182 
ill, 201 
Sammer, Indian. 
