Xll CONTENTS. 



PAGE 



Theories of Coagulation 42 



The Fibrin-ferment 48 



The origin of Fibrin-ferment 49 



The researches of Hammarsten 51 



The influence of salts on coagulation 53 



Non-coagulation of salts within the living blood-vessels ... 54 



SECT. 3. THE SERUM AND THE CONSTITUENTS OF THE LIQUOR SANGUINIS WHICH 



REMAIN IN IT 57 



The Proteids of the Serum 60 



1. Serum-globulin or Paraglobulin 60 



2. Serum-Albumin 61 



The Extractive Matters of the Plasma and Serum .... 64 



The Salts of the Plasma and Serum 66 



The Gases of the Plasma and Serum 70 



SECT. 4. THE COLOURED CORPUSCLES OF THE BLOOD . . . . . 71 



Enumeration of the corpuscles ........ 74 



Summary of the composition of the coloured corpuscles ... 79 



The Stroma and the proteids associated with it .... 80 



The Nuclei of the Bed Corpuscles 82 



Fatty matters containing Phosphorus (Lecithin, Protagon) . . 83 



Cholesterin 84 



Oxy-Haemoglobin 84 



Action of certain gases which displace the oxygen of Oxy-haemoglobin 104 



Products of the decomposition of Haemoglobin . . . . . . 108 



Methaemoglobin 109 



The proteid matter derived from the decomposition of Haemoglobin . 112 



Haematin 113 



Hydrochlorate of Haematin Haemin 115 



Haematoporphyrin . 117 



Haemochromogen 118 



Haematoidin 120 



The mineral constituents of the red corpuscles . . . . . 121 

 The gaseous constituents of the coloured corpuscles . . . .123 



SECT. 5. THE COLOURLESS CORPUSCLES OF THE BLOOD 123 



SECT. 6. THE GASES OF THE BLOOD AS A WHOLE 12G 



SUMMAKY OF THE QUANTITATIVE COMPOSITION OF THE BLOOD . 126 



SECT. 7. CHARACTERS PRESENTED BY THE BLOOD OF INVERTEBRATE ANIMALS . 129 

 Distribution of Haemoglobin through the vascular liquids of various 



groups of Invertebrata 130 



On the green blood of certain Annelids. Chlorocruorin . . . 131 



On the blue blood of certain of the Mollusca and Molluscoida . . 132 



The blue blood of the Octopus. Haemocyanin .... 133 

 On certain coloured corpuscles found in the perivisceral fluid of 



certain Sea-urchins and Holothurians 134 



