208 ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 



Infusorial earth, iis'^.l in niakin^- window and plate glass.^ 

 Infusorial earth, used in niakinjj; soluble ,u,lass.' 

 Infusorial earth, used i\\ niakinji' luorfar.' 

 Infusorial earth, used in niakiny; molds for metal casting.^ 

 Infusorial earth, used in makinji' tilfers.' 

 Infusorial eartli, used in niakinji' dynamite.' 

 Infusorial earth, nsed in makin«i- tire-poof packing.* 

 Infusorial earth, as au absorbent, for oils and liquids.* 



19. OxnER MATERIALS FROM INVERTEBRATES. 



From inasccts. 



Brazilian diamond-beetles, used in jewelry. 

 Wings of beetles, used in embroidery. 



From erhflcaoclcD'HMs. 



Spines of echiuoids, used for slate-crayons. 



FlexihJc materials. 



20. Leathers. (Embracing the hides in a rough, state, in the various 

 stages of dressing, and manufactured into shoe-leather, parch- 

 ment, vellum, binders' leather, thongs, &c. 



Lealliei* prepared iTroEn unniBBGual siikflois. 



Leather prepared from human skin. 



26070. Boots made from skin of man. 11. & A. Malironliolz, Now York. 



% 



Sea-lion leather, used by Eskimos to cover bidarkas, and for gar- 

 ments and beds. 



11371. Lcatlior of sea-lion (Fiimetopiaa siclleri). Vsod hx Aleutian Islanders 

 for manufacture of canoe. Alaska. Vincent Colyer. 



Walnis leather, used by Eskimos for harness, tables, thongs, seal- 

 nets, and for covering i)olishing-wheels. 



15G17. Hari>oon-lino of walrus leather. Alaska. IT. W. Elliott. 



Seal leather, used for fine shoes and in the manufacture of "patent 

 leather," and by Eskimos for luimcrous piu'poses. 



10186. Seal-skin bleached by hot water. lunuit Eskimos. Arctic Ocean. 

 Capt. C. F. Hall. 

 1103. Seal-skin leather tanned by Eskimos. Mackenzie's River district. 

 R. MacF.arlaue. 

 24785. Indian moccasins made from skin of seal {Phoca t'itulinaf) G. R. 

 Renfrew &. Co., Quebec. 



> See under Part II of this catalogue. ^.~ 



