258 ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 

 2. Marine pearl-shells: 



13507. American pearl-oyster (M. finibriaia). Panama. Col. Jewctt. 



3624. Ditto. Illustratiug formation of pearls. Panama. Col. Jewett. 



32836. Ditto. Gulf of California. J. Xantus. 



. Ditto. Polislied shell. Cliicopee, Mass. Jas. T. Ames. 



32921. Ditto. Made into artificial fish-bait. Boston, Mass. Bradford & 



Anthony. 



32922. Ditto. Made into artificial minnow. Boston, Mass. Bradford & 



Anthony. 



. Series of buttons, studs, stopper-caps, «fec. Manufactured from, and 



showing application of American pearl-oyster shell. Furnished 

 by A. B. De Frece &, Co., 428 Broadway, New York. 



h. Otherwise useful : 



32869. "Hen clam" (Macira soUdissima, Ch.). Shell used for scoops, milk- 

 skimmers, and boat-bailers. Painted inside and used for catch-alls. 

 29527. Basket. Made from Florida shells. E. F, Gilbert, Jacksonville, Fla. 



22210. Basket. Made from Florida shells. Mrs. C. E. Mott, Jacksonville, 



Fla. . 



22209. Frame. Made from Florida sea-shells. Mrs. C. E. Mott, Jackson- 

 ville, Fla. 



22211. Easter Cross. Made from Florida shells. Mrs. C. E. Mott, Jackson- 



ville, Fla. 



29526. Shell flowers. Made from Florida shells. E. F. Gilbert, Jackson- 

 ville, Fla. 



26595. "Coquina." Miscellaneous species broken up and cemented by surf 

 action into a natural conglomerate, used for building stone or 

 for making a sujierior kind of lime. Saint Augustine, Fla. G. 

 Browne Goode. 



32839. "Cuneate clam" {Gnathodon cuneatus). Used largely for bait. Nat- 

 •» ural condition. Lake Pontchartrain, La. Gustav Kohn. 



32840. Ditto. Semi-fossil (in shell-heaps), used for macadamizing roads. 



Lake Salvador, La. Gustav Kohn. 



C. Injurious bivalves : 

 a. Destroying submerged timber; 

 Specimens of wood showing ravages: 



32982. Ship-worm {Teredo sp.). Bangor, Me. (Brig H. B. Emory.) C. H. 



Parker. 



32908. Ditto. In lignumvitae wood. Gloucester, Mass. Samuel Elwell, jr. 



33106. Ditto. {Teredo cldorotica, G\A.) Wood's Holl, Mass. A'^inal N. Ed- 

 wards. 



33105. Ditto. {Xylotnja fimh-iata, Jeffr.) Wood's Holl, Mass. Vinal N. 

 Edwards. 



32984. Ditto. (Teredo navalis? 1,.) New Haven, Conn. A. E. Verrill. 



32902. Ditto. ( Teredo sp. ) Showing damage effected in white-pine wood in 

 one year. Pier 44, North River, N. Y. W. T. Pelton. 



32901. Ditto. Showing damage to hard-jiiue wood effected in one year. 

 Charleston, S. C. W. T. Pelton. 



32983. Ditto. Schooner Carrie Melvin ; done in 6 weeks. ' . Charleston, S. C. 



A. G. Hunt. 



