LIST OF ILLUSTRATIONS. 



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Fibula tied in a knot, after maceration in dilute acid . 



Grains of potato starch . . . . 



Saccharomyces cerevisiae, in its quiescent condition 



Saccharomyces cerevisias, in active germination . 



Oleaginous substances of human fat . 



Chyle, from thoracic duct of the dog 



Globules of cow's milk .... 



Hepatic cells containing oil-globules, human 



Muscular fibres of human uterus, three weeks after parturition 



Cholesterine, from an encysted tumor 



Cells of Bacterium termo .... 



Hemoglobine crystals, from human blood . 



Spectra of hemoglobine .... 



Spectrum of green bile 



Spectrum of chlorophylle .... 



Sodium glycocholate, from ox-bile 



Spectrum of Pettenkofer's test, with biliary si 



Spectrum of Pettenkofer's test, with biliary sa 



Spectrum of Pettenkofer's test, with albumen 



Human alimentary canal .... 



Lobule of parotid gland .... 



Section of submaxillary gland ; from the dog 



Bnccal and glandular epithelium ; deposited from saliva 



Gastric follicles, from pig's stomach; middle portion 



Portion of human pancreas and duodenum 



Hepatic lobule, in transverse section . 



Biliary canals and ducts ; from the frog's liver 



Hepatic lobule, transverse section ; from rabbit's liver 



Duodenal fistula 



Longitudinal section of wall of duodenum 

 Portion of one of B runner's glands . 

 Follicles of Lieberkiihn .... 

 Contents of stomach, during digestion of meat . 

 Contents of duodenum, during digestion of meat 

 Contents of middle portion of small intestine 

 Contents of last quarter of small intestine 



An intestinal villas 



Chyle, from thoracic duct of the dog 

 Intestinal epithelium ; from the dog, fasting 

 Intestinal epithelium ; from the dog, during digestion 

 Capillary bloodvessels of the intestinal villi 



