PRODUCTS AND THEIR APPLICATIONS 85 



20. LEA THEES— Continued. 



c. Prepared from bird-skins : (Eskimos.) 



Eider-leather. 



Auk-leatlier. 



(Ostrich-leather used by Arabians.) 



d. Prepared from reptile skins : 



Alligator-leather. 

 Eattlesnake- leather. 

 Other snake-leather. 



e. Prepared from fish-skins : 



Leather prepared from scaled fish by Indians. 



Eel-leather, (pigtails, queues, flail-thongs.) 



Shark-leather, (shagreen used for coverings and by the 

 Alaska Indians for boot-soles.) 



Sturgeon-leather. 



(Skins of Diodon used in making helmets.) 



Stomach membranes of halibut used in Greenland for win- 

 dow-transparencies. 

 /. Leather waste : 



Paper manufactured from waste. 



Glue manufactured from waste, (see under 24.) 



Prussian blue made from leather waste, (see under 30.) 



21. HAIE AND WOOL. • 



a. Hair used in weaving and felting, (see under 8.) 

 &. Hair used for wigs and ornament : 



Human hair as an article of commerce, with specimens of 

 switches and wigs, and also of the trade imitations of hair 

 in jute, horse-hair, &c. 

 Goats' wool as employed in manufacture of wigs and 



perukes. 

 Horse-hair employed for military accoutrements and for 



standards, (Turkey.) 

 Human scalp-locks as Indian trophies. 

 Scalps of animals as trophies. 

 e. Hair and bristles used for brushes, (embracing the commer- 

 cial hair and bristles, assorted and unassorted, and specimens 

 of the manufactured articles :) 

 Hair of skunk used for fine brushes. 

 Hair of bear used for varuishing-brushes. 



