Page:The New International Encyclopædia 1st ed. v. 02.djvu/601

 1. SESSILE OR ACORN BARNACLE (Balanus). 2. PARTS OF A BARNACLE: os, outer shell with its parts; sc, scutum ; t, tergum; o, ovaries; f, feet; a, thoracic appendages. 3. GOOSE BARNACLE ( Lepas anatifera). 4. EARLY LARVAL, OR "NAUPLIUS" STAGE OF A BARNACLE. 5. LATER LARVAL OR "CYPRIS" STAGE. 6. A MEDIÆVAL PICTURE OF THE SUPPOSED BIRTH OF GEESE FROM BARNACLES REPRESENTED AS FRUIT OF A TREE.