FISHERIES OF THE UNITED STATES. 19 



Section G.— FISHEEY PEODTJOTS AND THEIE PEEPAEA- 



TION. 

 XXXIV. — Materials Employed, Etc. — Continued. 



145. Cameo shell and shells of Cyprwa, Rotella, Oliva, Turritella, 



&c., mounted as buttons and jewelry, composition 

 shell work for box covers and frames, made by glu- 

 ing shells in mosaic : cuttle-fish bone from Sepia offi- 

 cinalis, used as a pounce, as a dentifrice, as polishing 

 powders, for taking fine impressions in counterfeiting, 

 and as food for birds ; concretions from the stomach 

 of Astacus, known as "crab's- eyes "and " crab-stones," 

 and used as antacids; shell of king-crab (Limulus 

 Polyphemus), used as a boat-bailer. 



146. Alligator leather (Alligator mississippiensis), salted and 



tanned, and manufactured into satchels, slippers, 

 boots, &c. (See exhibit of Tiffany & Co. and H. J. Mah- 

 renholz.) Skins of Eels (Anguilla vulgaris), Sturgeon 

 (Aeipenser rubicundus), Cod (Gadus morrhua), Hake 

 (Phycis chuss), Cusk (Brosmius brosme), and other spe- 

 cies, crude, and manufactured into shoes, isinglass, 

 &c. (See exhibits of Gloucester Isinglass and Glue 

 Co. and Eussia Cement Co.) 



147. Isinglass (ichthyocolla), made from air-bladders and skins 



of fishes and used in the manufacture of fine glues and 

 sizes, adhesive and court plasters, diamond cement, 

 imitation glass, and table-jelly and confectionery, in 

 refining wines and liquors, in adulterating milk, in fix- 

 ing the luster of artificial pearls, and in lustering silk 

 ribbons (embracing the dried and the manufactured 

 products) in their grades of " lyre," " heart-shaped," 

 "leaf," and "book" isinglass. Hard and liquid fish- 

 glue made from skins of Cod, Cusk, Hake, and other 

 species ; carriage axle, hats, oil-cloths, spools, &c, in 

 the manufacture of whichfish-glue is used. (See ex- 

 hibits of Gloucester Isinglass and Glue Co. and Eus- 

 sia Cement Co.) 



148. Specimens of American commercial sponges. (See Inver- 



tebrate exhibit.) 



149. Oils and fats, including Seal oil in its various grades, used 



for lubricating; Sea Elephant oil, crude and bleached; 

 oil from body of Whales, Grampuses, and Porpoises, 

 used in the arts, for lubricating, painting, &c; Black- 

 fish and Porpoise jaw oil, used in lubricating fine ma- 

 chinery, watches, clocks, and guns; Grampus oil, used 

 for lubricating fine machinery; crude and refined 

 Sperm oil, used for illuminating, lubricating, as an 



