Anatomy Questions
Try the following web pages:
http://wrbu.si.edu/www/stockwell/morphology/morphology.html
http://wrbu.si.edu/www/stockwell/faq/faq.html
http://members.theglobe.com/scorp4/html/links.html
http://www.ufsia.ac.be/Arachnology/Pages/Scorpiones.html