The Vascular System: The Vascular System 123 The Blood Vascular System 123 The Systemic Circulation 125 The Arterial System 125 The Capillary Circulation 132 The Venous System 134 The Pulmonary Circulation 141 The Coronary Circulation 142 The Portal Circulation 144 The Foetal Circulation 144 The Collateral Circulation 147 The Lymphatic Circulation 147 PART III. EMBALMING. CHAPTER X. Modes Signs and Tests of Death: Modes of Death 156 Signs of Impending Death 157 Tests of Actual Death 158 Later and More Positive Signs 162 CHAPTER XI. Premature Burial: Premature Burial 164 CHAPTER XII. Changes in Blood after Death: Cooling of the Body 167 Cadaveric Lividity 168 Putrefactive Changes 169 Skin Slip 175 Rigor Mortis 177 Fermentation and the Production of Gas 179 Spirituous Fermentation 180 Digestive Fermentation 180 Metabolic Fermentation 181 Putrefactive Fermentation 181 Abdominal Fermentation 182 Gastric Fermentation 184 Intestinal Fermentation 185 CHAPTER XIII. Discolorations: Discolorations 187 Discolorations Occurring before Death 188 Yellow Jaundice 188 Pigmentary Atrophy 189 Cancerous Spots 190 Gangrene 191 Ecchymosis 191 Wounds 193 Fractures 194 Scars and Tattoo Marks 194 CHAPTER XIV.