PRODUCTS AND THEIR APPLICATIONS. 15 
8. TEXTILE FABRICS—Continued. 
ce. Prepared from silk of insects: . 
Silk of common silk-worm, (Bombyx mori.) 
Silk of Samia cecropia, Samia polyphemus, and other native 
American moths. 
(Silk of exotic moths other than Bombyx mori, such as the 
tussah, (Bombyx pernyi and Bombyx mylitta,) the moonga, 
(Saturnia assamensis,) the joree, (Bombyx religiosa,) the 
ena or arindy, (Bombyx 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 nobilis) 
and other mollusks.) 
Ill. MATERIALS EMPLOYED IN THE ARTS AND MAN- 
UFACTURES. 
* Hard materials. 
9. IVORY 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, bill:ard and 
bagatelle balls, dice, piano-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, 
paper-knives, counters, &c. 
Teeth of bears, dogs, wolves, foxes, peccaries, and other large 
mamials, used as implements, arrow-tips, and ornaments, 
by Indians. 
Elk-ivory used by Indians in ornamentation. 
Tusks of mammoth elephant (Zlephas primigenius) from 
northern America and Asia, with Eskimo carvings and 
specimens of “ Siberian ivory.” 
