ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 173 



VI. PREPARATION OF HARD TISSUES. 



17. Ivory cuttiis^g ain'd carving. 



]?IamifactwE'e of laaiadles, trinkets, billiard-bafifis, Sec, 



Turning and sawing. 



Polisliinsr. 



Bleaching. 



inaratifacttia'e of org^aia aiad piaiao keys. 



Sawing. 

 Strip-sawing. 

 Polishing. 

 Bleaching. &c. 



Other proce§§e§o 



18. Preparation of horn and hoof.^ 



iSteaiBiiBig^.' 



Pre§sin§^.^ 



19. Preparation of whalebone.' 



Cutting" and other |»r©ce§§e§.' 



maniGsfacture of ^hip^nsaakers' stock and ivhips. 

 jTIamiifactcire of tiMihreMa^Baaakers' boiae. 

 ITIaiaMfactBia'e of rifohoea-'W^eaTeFs' tooiae- 

 Man«faettaa*e of hat asad hoeaEaet laaakers' fooiae, 

 JTlaEaaafactua-e of sHspeaadea'^BBaakea's' tooiae. 

 inaaaaifactua'e of stock-aaaakers' boaae. 

 Maaiaafactaia'e of €lre§s aaid stay laaakea's' fooiae. 

 JTIaaaofactBire of hlliflaa'd^tahle cushaoaas. 

 MaaaaifactaBre of saai'gical iEista'aaaaaeBats. 

 MaaaMfaetaia'e of whaleboaae ha-rashes. 

 maaaaifactaire of a-osettes, woveaa ^voa'k, aaid ta'ieakets, 



'These processes are illustrated, iu part by the speciiueus, sliowiug tlie liom, wliale- 

 bone, and tortoise-shell, iu various stages of preparatiou, exhibited in Section D. 



