XVI CONTENTS. 



CHAPTER VII. 



THE FOEM, STEUCTUEE AND CHEMICAL COMPOSITION OF BILIAEY 

 CALCULI. CHOLELITHIASIS AND THE THEOEIES ADVANCED TO 

 EXPLAIN IT. 



PAGE 



SECT. 1. THE FBEQUENCY OF OCCURRENCE, THE FORM, THE CLASSIFICATION 



AND STRUCTURE OF GALL-STONES 377 



SECT. 2. ENUMERATION OF THE CONSTITUENTS AS YET FOUND IN GALL-STONES. 

 THE PIGMENTS WHICH ARE ONLY FOUND IN GALL-STONES (BiLi- 

 FUSCIN AND BILIHUMIN) 381 



SECT. 3. THE MODE OF FORMATION OF GALL-STONES 383 



SECT. 4. EESULTS OF QUANTITATIVE ANALYSES OF THE CHIEF VARIETIES OF 



BILIARY CALCULI. 389 



CHAPTER VIII. 



METHODS FOE THE ANALYSIS OF THE BILE AND BILIAEY CALCULI. 



SECT. 1. EXAMINATION OF THE BILE FOR ALBUMIN, OXYH^MOGLOBIN AND ITS 



DERIVATIVES, SUGAR, UREA, LEUCINE AND TYROSINE . . . 391 



SECT. 2. QUANTITATIVE DETERMINATION OF THE SPECIFIC GRAVITY, TOTAL 

 SOLIDS, SALTS, MUCOID NUCLEO-ALBUMIN, BILE ACIDS, FATS, 

 SOAPS, CHOLESTERIN, LECITHIN AND BILE-COLOURING MATTERS . 392 



SECT. 3. THE METHODS OF ANALYSING GALL-STONES 396 



CHAPTER IX. 



THE INTESTINAL CANAL AND ITS SECEETION. THE INTESTINAL JUICE 

 QE SUCCUS ENTEEICUS. 



SECT. 1. INTRODUCTORY OBSERVATIONS ON THE STRUCTURE OF THE INTESTINAL 



TUBE ... 397 



The Small Intestine 397 



SECT. 2. THE EETIFORM OR EETICULAR (ADENOID) CONNECTIVE TISSUE OF THE 



INTESTINAL Mucous MEMBRANE 401 



Eeticulin 403 



SECT. 3. THE INTESTINAL JUICE OR Succus ENTERICUS 405 



The Methods of obtaining Intestinal Juice 405 



The Secretion of Intestinal Juice and the Conditions which in- 

 fluence it 408 



SECT. 4. THE PHYSICAL AND CHEMICAL CHARACTERS OF THE INTESTINAL JUICE 412 



The Enzymes of the Intestinal Juice 412 



