…showed first 75 words of 450 total…

…showed last 75 words of 450 total…was covered with a solid piece of bony armor. The tail looked like a bunch of bony rings. The backbone was solid except at the neck. At the neck, there is a joint which allows the head to fit under the bony plate. Some members of the family had tails of solid bone. <b>Bibliography</b> <ol><li>Prodigy - Grolier Electronic Publishing, 1990, A-section <li>The Book of Knowledge - Grolier Publishing, 1933-1935, A-Section</ol>