94 SPECIFIC EXAMPLES OF SLIDE-MAKING 



7. Wash in running water overnight. 



8. Stain overnight in Carazzi's hematoxylin. 



9. Differentiate in acid 70 per cent alcohol until internal anatomy is shown 

 clearly. 



10. Treat with alkaline tap water until blue. 



11. Dehydrate. 



12. Detach embryo from paper and clear in terpineol. 



13. Mount in balsam. 



