52 THE IXTEGUMEXT, OR SKIX. 



experiences the same evil effects that are observed among 

 the operatives in lead works and painters, namely, "paint- 

 ers' colic," and paralysis of the hands, called " wrist-drop." 

 34. Certain hair-dyes also contain lead, together with 

 other noxious and filthy ingredients. These do not work 

 as great harm as the cosmetics, since they are purposely 

 kept away from the skin, but they rob the hair of its 

 vitality. Eye-washes, too, are made from solutions of lead, 

 and many an eye has been ruined by their use. They de- 

 posit a white metallic scale on the surface of the eye, which 

 becomes a permanent obstruction to the vision. 



QUESTIONS FOR TOPICAL REVIEW. 



PAGE 



1. What are the characteristics of the skin, and what office does it perform ? 41 



2. What can you state of the structure of the skin ? 41 



3. Describe the cuticle aiid tell its use 41, 42 



4.- Describe the cutis or true skin and tell its use 42 



5. What can you state of the nature and growth of the nail ? 42, 43 



6. Of the nature and growth o f the hair ? 4:2, 43, 4 1 



7. Of the offices performed by the nails and hair * 44 



8. How is the difference in complexion in different persons accounted for ?. 44 



9. How is the presence of freckles accounted for ? 44 



10. How does Nature provide a dressing for the hair ? 44, 45 



11. What other service do the sebaceous glands perform ? 45 



12. State what you can of the perspiratory gland* 45 



1H. What is the difference between sensible and insensible perspiration ? . . . 46 



14. State the uses and importance of perspiration 46, 47 



15. What impurities gather naturally on the skin ? 47 



16. Repeat what is said of the importance of bathing 47, 48 



17. When should we indulge in cold, warm, and sea bathing ? 48, 49 



18. What is the effect in each case ? 48 



1H. What directions are given as to the time and manner for bathing ? 49 



20. What is related of bathing among the ancients ? 49, 50 



21. What, is related to show the antiquity of snn-bathing ? 50 



22. What are the effects of snn-bathing ? - r A 51 



23. What directions are given in relation to clothing the body ? , 51 



24. What can you state of poisonous cosmetics ? 51,52 



25. Of hair-dyes and eye-washes? 52 



