258 ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 



2. Marine pearl-shells: 



13507. American pearl-oyster (M. fi-nibriata). Panama. Col. Jewett. 



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

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



. Ditto. Polished shell. Chicopee, 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, &c. Manufactured from, and 



showing application of American pearl-oyster shell. Furnished 

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



b. Otherwise useful: 



32869. "Hen clam" (Mactra solidissima, 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 superior 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 chlorotica, Gld.) Wood's Holl, Mass. Vinal N. Ed- 

 wards. 



33105. Ditto. (Xylotrya fimbriata, Jeffr.) Wood's Holl, Mass. Vinal N. 

 Edwards. 



32984. Ditto. ( Teredo navalis t L. ) 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-pine 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. 



