And while changing "caudal" to "dorsal" you should change "a huge cervical vertebrae" to "a huge cervical vertebra." ******************************* John F. Morrissey Assistant Professor Department of Biology 114 Hofstra University Hempstead, NY 11550-1090 516-463-5517 FAX: 516-565-0098 E-mail: biojfm@vaxc.hofstra.edu *******************************