ANALYTICAL INDEX. 



PARACELSUS, his views of the Archeus, 489, 490, 505. 



PA YEN, M. on the proportions of starch and gluten in the potato, 

 890. 



PEKIN, mean temperature of, 707. 



PERCIVAL, Dr., his case of fever caused by the fumes of charcoal, 

 825. 



PEREIRA, Dr., his account of prolonged nutrition on pure sugar, 

 923, note. 



PERKINS, on the elastic force of air, and steam, 112. 



PHILIP, Dr., maintains that animal heat is a secretion, 535, 588, 

 note ; refers digestion to nervous influence, 627 ; his experi- 

 ments on contractility, 588, note. 



PHILO, preserved a fragment of Hippocrates on the Seven Ages of 

 Man, 682, note. 



PHLOGISTON, confounded with carbon by Black, 214 ; with oxy- 

 gen by Scheele, 214 ; with hydrogen by Kirwan, 214. 



PHTHISIS, tubercular, whether hereditary, 788 ; Sir J. Clark on 

 its prevalence in the West Indies, 789 ; rare in India and 

 Africa, 782 ; its prevalence among negroes in the West Indies 

 explained, 782, 783 ; mortality from in England and Wales, 

 785, (see table ;) in St. Petersburg, 788 ; in the United States 

 and in Europe, 788; proximate cause of, 791, 798 ; preven- 

 tion and treatment of, 799 ; rarely occurs among new born in- 

 fants, 801 ; and how afterwards acquired, 801. 



PHYSICIAN, etymology of the word, 1077. 



PLAGUE, its frequent occurrence in London, 808 ; mortality from 

 in Cairo, 809 ; has always prevailed in summer in temperate 

 climates, 810 ; that of the east a modification of yellow fever, 

 812. 



PLANTS, they have no breathing apparatus, 871 ; are nourished 

 by binary compounds, 872 ; by carbonic acid, and thus preserve 

 the atmosphere in a state of purity, 873 ; views of Liebig, 873 ; 

 how affected by poisons, 968, note ; the primary source of all 

 animal nourishment, 694. 



PLATO, regarded fire as the soul of the world, 477. 



PLEURISY, theory of, 796. 



PLUTARCH, on the radical meaning of Osiris and Isis, 742 ; his 

 account of Egyptian Astronomy, 857, note. 



PNEUMONIA, theory of, 796, 797. 



POISONS, their modus operandi; 966, 968 ; act on the nervous 

 system through the blood, 969 ; rapidity of their diffusion, 

 970, 971 ; their influence on respiration, temperature, pulse, 

 brain, stomach, muscles, and coagulating power of the blood, 

 971 ; influence of some metallic salts on the blood, 973. 

 POPULATION, how controlled by climate, 695, 700 ; increase of 

 in different countries, 775. 



