CHAPTEE IV. 



ON STAINING. 

 LIST OP STAINING AGENTS. 



1. Hsematoxylin or Logwood 5. Anthra-purpurine 



2. Carmine 6. Eosin 



3. Indigo-czvrmine 7. Picro- carmine. 



4. Purpurine 



Aniline Dyes Soluble in Water. 



8. *Soluble Aniline or China 13. Dahlia, Eosanilin and Me- 



Blue thylanilin Violet 



9. *Pure Soluble Blue 14. Malachite Green 



10. Serge Blue 15. *lodine Green 



11. Tyrian Blue ] 6. *Bismarck Brown. 



12. *Safranine 



Aniline Dyes Soluble in Spirit. 



17. Spiller's Purple 21. Citranine 



18. *Rosein 22. Aurine 



19. Anilin Red 23, *Pure Opal Blue. 



20. *Anilin Violet 



Selective Stains. 

 Osmic Acid Chloride of Gold Nitrate of Silver. 



To demonstrate the minute structure of any tissue, the 

 sections require to be stained with some colouring 

 agent which will show the different elements more 

 plainly by their absorption of the colouring matter and 

 bring out very transparent parts which otherwise would 

 be hardly discernible. 



Of all the staining agents, logwood is the most useful, 

 and a solution prepared in the following manner will be 

 found the most efficient. 



