ANIMAL RESOURCES AND P^ISHERIES OP UNITED STATES. 207 



"^heBHis ti§cd foi' iBupICKaeMts, &c. 



.Shells of Cijpyaea, Eotclla, Oliva, Turritella, PhasianeUa (Venetian 

 shells), &c., mounted as buttons and jewelry.' 



Composition shell- work for box-covers and frames, made by gbiing 

 shells in mosaic' 



Calcined shells, used by dentifrice and porcelain makers.' (See, also, 

 under o2.) 



Cuttle-fish bone from Sepia officinalis, used as a i)Ounce, as a denti- 

 frice, as polishins^ powders, for taking fine impressions in counter- 

 feiting, and as food for birds.' (See, also, under D 5.) 



Concretions from the stomach of Astacns, known as "crab's-eyes" 

 and "crab-stones," and used as antacids.' 



SheU of king-crab {Limnlus polyphemus), used as a boat-bailer.' 



Opercula of mollusks, used as "eye-stones."' 



17. COSAL. 



Coral as a niaferial. 



'Red coral {CoraUium nohilis), with specimens of the five commercial 

 grades (1, froth of blood; 2, flower of blood; 3, 4, 5, blood of first, 

 second, and third qualities) of the white variety, and of the round 

 beads, negligee beads, bracelets, pins, coronets, armlets, ear-rings^ 

 &c.' 



White coral, OcuUna, sp., used by jewelers.' 



Madrepores and other sho^rv' corals, used for ornamental purposes.' 



Horny axis of black flexible coral {Plexaura crassa), used for canes 

 and whips in the Bermudas.' 



Axis of fan coral {Rhijndogorgia), used for skimmers and strainers 

 in the Bermudas.' 



Coral, used for building purposes.' 



Coial rock of recent formation (Coquina),' used in Florida in "manu- 

 facture of ornamental vases and carvings.' 



Calcined coral, used for dentifrices, as an antacid, «&c.' 



Imitations of red coral in celluloid, rubber, and other substances.' 



18. Infusorial earths. 



PoIflsIaEia?4" isoft'der* (used for polishing metals, cabinet-ware, and 

 stone). 



Specimens of polishing slate, tripoli, and other foreign polishing 



powder.' 

 Specimens of American infusorial deposits.' 



' See under Part TI of this catalogue. 



