334 Index. 



Plague, Athenian, by Thucydides, 193 



and Black-death Hybrid, 179 



, extract from Gibbon, 181 



, Small-pox, and Leprosy widespread Epidemics, 15, 160 



, and Small-pox North and South of the Mediterranean, and after- 

 wards spread to Mid and Northern Europe, 16, 179 



Poisons in Epidemic, Animal and Vegetable, 230 



Polypifera and Sponges have a Contractile Membrane, Si 



PRECURSION, the great law of Nature, 4, 69, 72 



Principles of Mechanism in the Animal and Vegetable Kingdoms, 8, 

 i35> T 42 



PROPOSITIONS aiming to unify the laws of Motion and Chemical 

 Affinity, 54 



Pyramid, the Great, in relation to longevity, 222 



, why was it built, 225 



RACES in Africa, remarks upon, 281 



in Asia, remarks upon, 282 



of Mankind, their distinctiveness, 279 



Repulsion, an accumulative force, 50 



in proportion to the Mass, 53 

 Resume, 27 



SEA-WATER, its composition, 306 



, Bischof's assumption, 307 



Seasons, wet, windy, hot, or cold, not causes of Epidemics, 152 

 Sense apparatus, each has its own, 102 



Haemal, 106 



Subdermal, for Force, 107 



of Touch, 118 

 of Force, essential to realise resistance, 117 



of Smell, its absence and withdrawal of cervical region, 133 

 Telluric or travelling, 126 



Senses, educators of each other, 125 

 , Seven special, 8 



of Smell, Sight, and Hearing elongated limbs, abridged by 



Mechanism, 8, 124 

 , Three Somatic, of Want or Haemal, of Force or Weight, and of 



Touch, 99 



, division of, into active and passive, 128 



, into Somatic and Paraitic, 129 



Paraitic, outlines of apparatuses, 130 



of Touch and Force in relation to integumentary distribution, 119 



