CONTENTS. 



LETTER IV. 



Laws of SENSIBILITY, 96 Particular STIMULI, 97 Concentration 

 of SENSIBILITY, 102 SYMPATHY, 103 A case of extreme 

 illness depicted, 109 A peep into my Lady's chamber, shew- 

 ing an approximation to the foregoing, 1 1 1 High degrees of 

 Sensibility incompatible with healthy Contractility, 113 

 What condition of the body favourable to SENSIBILITY, 115 



MORAL SENSIBILITY, 118. 



LETTER V. 



Process and Mechanism of Nutrition 121 depending on the com- 

 bined action of Absorption, Circulation, Respiration, Secretion 

 greater and lesser circle of the Circulation described, 122 

 FOOD, traced from its entrance at the mouth until it becomes a 

 part of the living body, 130111 effects produced by improper 

 aliment, 135 Office of the PYLORIC VALVE, 153 Certain 

 facts resulting from the foregoing, 153 Injurious tendency of 

 COMFORTS, 155 Symptoms of Disease, 162 Quackery, 165 

 EXPERIENCE, alone, not to be depended on, 166. 



LETTER VI. 



Beauty, harmony, precision, prevail throughout nature confusion 

 and derangement found only in man, 168 Estimates of hu- 

 man life, 171 Disease and premature death, no part of the 

 original design, 181. 



LETTER VII. 



Formidable and distressing train of symptoms arising from Assi- 

 milation imperfectly performed Two cases illustrative of its 

 moral influence, 196 On the choice of a Physician, 199 

 Actual condition of the solids and fluids examined in cases of 

 disordered Assimilation, 200 State of the Ultimate Tissue 

 particularly, 203 Secretion of air, 211. 



