PRODUCTS AND THEIR APPLICATIONS. 75 



TEXTILE FABRICS— Continued. 



c. Pi-epared from silk of insects : 



Silk of common silk-worm, {Bomhyx mori.) 



Silk of Samia cecropia, Samia polypJieinus, and other native 



American moths. 

 (Silk of exotic moths other than Bomhyx mori, such as the 



tussah, {Bomhyx pernyi and Bomhyx mylitta,) the moonga, 



{Saturnia assamensis,) the joree, {Bomhyx religiosa,) the 



ena or arindy, {Bomhyx cynthia.)) 

 Fabrics woven by the insects themselves, as Tinea padilla. 

 Silk of spiders. 



d. Prepared from byssus of mollusks. 



(Fabrics woven from byssus of the wing-shell {Pinna nohilis) 

 and other mollusks.) 



III. MATERIALS EMPLOYED IN THE ARTS AND MAN- 

 UFACTURES. ^ 



* Hard materials. 



9. lYOEY AND BONE. (This collection should include specimens of 



the various ivories and bones in their rough 

 state, and manufactured into buttons, 

 trinkets, cutlery-handles, canes, pen and 

 pencil handles, brush-handles, billiard and 

 bagatelle balls, dice, x)iano-keys, harness- 

 rings, combs, false-teeth, philosophical in- 

 struments, and as used by portrait painters 

 and photographers.) 

 a. Ivory of mammals : 



Tusks of walrus used for trinkets, handles, jewelry, buttons, 



palmer-knives, counters, &c. 

 Teeth of bears, dogs, wolves, foxes, peccaries, and other large 

 mammals, used as implements, arrow-tips, and ornaments, 

 by Indians. 

 Elk-ivory used by Indians in ornamentation. 

 Tusks of mammoth elephant {Mephas primigenius) from 

 northern America and Asia, with Eskimo carvings and 

 specimens of " Siberian ivory." 



