In a message dated 98-02-04 01:46:37 EST, martz@holly.ColoState.EDU writes: << I learned some amazing things last night on the Discovery Channel. >> Likewise. Such as that Tyrannosaurus rex was described in 1904. And that the North American Jurassic theropod known as "Big Ed" (probably _Edmarka rex_) was a Megalosaurus the size of T. rex.