CONTENTS. XX1I1 



Formula of blood and metamorphoses of bile ... ... 133 



Metamorphoses of blood and flesh ... ... ... ... 136 



The constituents of the urine derived from the metamor- 

 phosed tissues ... ... ... ... ... ... 138 



Relation of blood or flesh and proteine to the secretions and 



excretions 140 



Formation of gelatine ... ... ... ... ... 142 



Origin of bile in the carnivora 144 



Origin of bile in the herbivora ... ... ... ...147 



Origin of hippuric acid ... ... ... ... ... 150 



Formation of the chief secretions and excretions 152 



Soda essential to the bile 154 



Relation of urine to bile 155 



Relation of starch to bile ... ... ... ... ...157 



Uses of common salt. .. ... ... ... ... ... 162 



Certain remedies take a share in the vital transformations ... 1 70 



Chief qualities of the blood 171 



Modus operandi of organic remedies 174 



All organic poisons contain nitrogen 177 



Theine identical with caffeine 179 



Relation of theine and caffeine to bile ... 1 80 



Theory of their action 181 



Theory of the action of the vegetable alkalies ... ... 182 



Composition and origin of nervous matter ... ... ... 184 



It is related to that of the vegetable alkalies 185 



Theory of the action of the latter 188 



Phosphorus seems essential to nervous matter 190 



PART III. 



1 . The phenomena of motion in the animal organism ... 195 



2. The same subject, with particular reference to the waste 



and supply or change of matter 233 



3. Theory of disease 254 



4. Theory of respiration 265 



