They consist of pieces of colored stones, shells and ivory. Wampum consisted of small beads made from quahog shells. They used fishing line made from coconut husk and hooks from sharpened sea shells. Most reptiles lay amniotic eggs covered with leathery or calcareous shells. When alive, corals are colonies of small animals embedded in calcium carbonate shells. Firing Lyddite shells, or using trench mortars, was tried. The eggs are oblong with leathery, flexible shells. Coquina is a poorly consolidated limestone composed of pieces of coral or shells. Shrapnel from exploding anti aircraft shells caused injuries. Sea silk from certain large sea shells was also valued. Few if any useful artillery shells were produced at the plant. Aphrodite's other symbols included the sea, conch shells, and roses. Long Rifle to larger ones chambered for .410 bore shotgun shells. I tanks along with 4,000 rounds of 4.5-inch gas shells. It began being delivered in artillery shells.