"206 animal resources and fisheries of united states. 



15. Pearl. 



PearBs afid Biacre (embracing the pearl-yielding shells, with the 

 pearls and the niother-o'-pearl in the rough stat«, with the manufac- 

 tured buttons, handles, and jewelry, pearl-powder, inlaid work, and 

 papier-mache, ornamented with mother-o'-pearl. 



Top-sliells {Tiirhiuidcv), and their application to manufacture of 



shell-flowers.' 

 Tower-shells ( Trochidce)} 

 Ear-sliells {IlaUotidw), used in manufjicture of buttons, handles, 



inlaid work, and pearl powder.^ 

 Other gasetropods supplying nacre.' 

 Pearl-oysters {Aviculidce)^ with pearls and nacre.^ 

 River-mussels ( Unionidw), with pearls and nacre.' 

 Mussels, oysters, and other conchifers supplying pearls and nacre.^ 

 Shells of nautilus and argonaut, prepared to exhibit their nacre.' 

 Ornamental pearl- work, imitating sprays of flowers, &c.' 

 Imitation pearls.' 



16. Shell. 

 Cateieo t^hell.' 



Shell of conch {Strombus ffigofi), and carvings.' 

 SI 1 ell of helmet {Cassis rufa^ C. tuherosa^ and G. madagascariensis)^ 

 with carvings.' 



iShelli^ aa^ed for iiBipleineBit^s, &c.' 



Shells of Stromhus, Triton^ DoUum, Fusns, Murex, and Biwcirmm, 

 used for fog-horns, lamps, vases, and ornamental borders in flower- 

 gardens.' 



Shells of Bur.i/con, Sycotypus, Mactra^ &c., used by Indians in manu- 

 facture of implements, with specimens of implements.' 



Shells of Mactra, used for ladles, scoops, and spoons by fishermen.' 



Shells of Tridaota, used for vases, fountains, and in the manufac- 

 ture of handles and carvings.' 



Shells of Pectcnj Hallotis, Dentaliuyn, Mercenaria, «&c., used by In- 

 dians for trimmings and ornaments.' 



Shells of Pcctcn, used in making pin-cushions and i)urses.' 



Shells of Mercenaria violacca, Purpura lapiUus, and Buceinum unda- 

 tunij used by ludians of eastern coast in manufacture of money, 

 with specimens of wampum (with the modern wampum or shell- 

 beads, manufactured for the Indian trade), and of the hyqua or 

 Dentalium shells, emj^loyed in a similar manner by the Indians ©f 

 the Pacific coast.' 



Specimens of the cowry [Gypraea mQ7icta), "live cowry" and dead 

 cowry, used in African trade and for trimmings.' 



1 Sec iu Part II of the present catalogue. 



