836 Index. 



Perpetual lime-kiln iii, 153, 163 (plate) 



oven iii, 145 



Phenomena of nature explained (^qq. JVature.') 



Phenomenon observed on glaciers of Chamouny . . ii, 251-257 



Photometer, description of (with plates) iv, 7-19 



simplified form of iv, 181, 212 



Pictet's experiment on conducting power of metals . . . i, 275 

 eflEect of mirrors on heat rays, ii, 59, 71, 119 



222 



mirrors, explanation of ii, 115 



letter from (extract) i, 322 



to iv, 735 



Pine-wood gives more heat than beech . . ... . . . iii, 73 



Pleasures of eating iv, 410 



Polenta iv, 446 



Polyflame lamps iv, 226 



Poor, aiding the, by private charity iv, 373 



asylum for, in Munich iv, 319 



deplorable state of iv, 331, 388, 391 



Essay on feeding the . . iv, 395-490 



establishment for the, in Bavaria iv, 231-326 



establishments for the, general principles of . . iv, 327-393 

 general management of . . . iv, 343 



proper extent of iv, 337 



proposals for forming . iv, 361-369 

 how to obtain assistance of public in aiding .... iv, 332 



laws ineffectual in providing for the iv, 331 



manner of relieving the, in times of general distress iv, 781 

 persons, not beggars, relieved in Bavaria . . . .iv, 311 



the, should be encouraged to industry iv, 354 



Portable boiler for field use iii, 132 



cooking stoves . . . ii, 416 



furnaces iii, 401-419' 453 



lamps .iv, 139 



Pot for cooking for the poor iii, 151 



Potato-dumpling iv, 480 



salad iv, 482 



Potatoes .iv, 475 



cooking of iv, 477 



introduction of, into Bavaria . iv, 414 



