PLATE 29.— Hairs of Animals. 



Figure 



1. Human whisker, white ; air partly displayed from medulla. 



2. Human hair, transverse sections. 



3. Human hair, fetal, with imbricated scales. 



4. Monkey, Indian (Senmopithecus). 



5. Lemur. 



6. Bat, Indian. 



7. Bat, Australian. 



8. Mole (Talpa europcm). 



9. Lion (Felis leo) ; a, by transmitted, 6, by reflected light. 



10. Bear ( Ursus arctos). 



11. Wolf (Canis lupus). 



12. Coatimoncli (Nasua). 



13. Seal, Falkland-Island (Phoccma faUclandica). 



14. Horse (Equus caballus). 



15. Elephant (Elephas indicus), segment of a transverse section. 



16. Pig (Sus scrofa). 



17. Cheiropotamus. 



18. Camel (Camelus bactrianus). 



19. Dromedary (Camelus dromedarius). 



20. Deer, moose- (Cervus alces). 



21. Deer, musk- (Moschus moscJiiferus). 



22. Wool, sheep (Ovis aries). 



23. Sloth (Bradypus didacti/lus). 



24. Armadillo (Dasypus sexcinctus). 



25. Beaver {Castor fiber). 



26. Shrew (Ariiphisorcx rusticus). 



27. Mouse (Mus musculus). 



28. Ditto, treated with potash. 



29. Gruineapig (Oavia cobaya). 



30. Squirrel (Sciurus vulgaris). 



31. Rabbit (Lepus cuniculus). 



32. Sable (Mustela zibellina). 



33. Mink-sable (Mustela lutreola). 



34. Badger (Meles taxus). 



35. Chinchilla (Chinchilla lanigera), 



36. Kangaroo (Macropus). 



37. Opossum (Didelphys virginiana). 



38. Ornithorhynchus paradoxus, a, entire hair ; b, e, d, and 38*, portions, more 



magnified. 



39. Crab (Cancer mcenas), from antenna of. 



40. Spider (Lycosa saccata). 



41. Spider (Mygale). 



42. Spider from South America. 



