INDK.X. 



209 



0. 



Oceanic circulation, Dr. Carpen- 

 ter's theory of 



44 Carpenter 1 ! experiment 

 to prove 



" Dr. Wyville Thompson 

 ar:iinst Carpenter's theory 

 of ... H59 



" No necessity for an ...169 

 Oil boring in Pennsylvania ... 159 

 Opacity, cause of ... Ill 



" caused by combination 



of gases ... 132 



" cause of auroras' light 184 

 Origin of life ... 18 



* "Sir Wm. Thomson 



on ... 12 



Origin of lowest organisms, by 



H. Charlton Bastian ... 26 



Ozone, the discovery of, non- 

 sense ... 127 

 contradictions regarding 127 

 " matches generate ... 127 



P. 



Palenque, Central America ... 115 

 Parker's School Book of Philoso- 

 phy on electricity ... 85 

 Pasteur, H., on spontaneous 



generation 24 

 on germs ... 24 



on preseved meats 25 

 Panama, Isthmus of, coral on 



the ... 146 



Park's Chemical Catechism on 



matter ... 4 



Parasites, all plants and animals 23 



" of fruit, raspberries, 

 figs, etc. ... 23 



Pennsylvania, oil boring in ... 159 

 Petrifaction, coal made by ... 143 

 Pictou River : Nova Scotia, 



transparent ice on ... 112 



Pigeons, instinct of ... 34 



Philosopher's tree ... 9 



Play fair, Prof. Lyon, on food... 134 

 " supports Liebig's divi- 

 sion of food ... 134 

 food tables ... 135 

 on the close connec- 

 tion between animal 

 and vegetable sub- 

 stances ... 136 

 4 ' on English navvies and 



Arabs .. 137 



Playfair, knows not the act 



of thu mineral part 

 of food ... 137 



Phosphorescent waves off the 



coast of Mexico ... 170 



Plants, do not breathe, but ex- 



hule ]; 



absorb sustenance from 



the earth 



result of painting K, 



Poles, every atom hat two 7 

 like, repel ; unlike, attract 7 

 North and South, why 



cold ... 172 



Polarity of atoms ... 7 



Polypes, coral insects, Agassis 



on ... 148 



Chamber's Encyclope- 

 dia on ... 146 

 Porta, Baptista, nearly discov- 

 ered the true theory of 

 dew ... 119 

 denied the moon and stars 



caused dew . . . 120 



thought dew was conden- 

 sed from air ... 120 

 shewed that dew rose 



from the earth ... 120 



Prairies in coal fields ... 142 



Prescott's History of the Elec- 

 tric Telegraph ... 86 

 Preserved meats, why they de- 

 compose ... 25 

 Pressure on the atmosphere, the 

 cause of tides ... 162 

 " The cause of meteors ... 180 

 Proctor, Prof. R. A., on rain 112, 113 



It 



Rainbow, why not seen between 



the observer and the sun ... 185 

 Rain, how accounted for ... 109 

 " assists in the formation of 



glaciers ... 109 



' Sir John Herschell on ...109 

 " does not come from the 



Gulf Stream ... Ill 



1 formed in the atmosphere 



around us ... Ill 



" does not necessarily fall a 



great distance ... Ill 



Prof. Proctor on ... 112 



1 Kamtt on ... 112 



' shot out of a cloud ... 113 



41 becoming more frequent 



in Kgypt ... 114 



14 why trees attract ... 114 



14 



