346 



CONSIDERATION OF CARBON COMPOUNDS. 



486. Mention some true albumins ; state where they are found, and 

 by what tests they are characterized. 



487. Which substance is the cause of the clotting of blood, and how 

 may that substance be obtained? 



488. Where is animal, and where vegetable casein found? 



489. What elements are found" in haemoglobin, where does it exist, 

 and what are its characteristic properties ? 



490. What is pepsin, and how does it act upon albuminous sub- 

 stances ? 



