In a message dated 96-10-06 18:43:14 EDT, bonn@qcvaxa.acc.qc.edu (Bonnie Blackwell, x 3332) writes: << George suggested that another set of wings or an adapted scute could have lead to stability in the air. let me suggest it was the neck frill in dilophosaurus. >> Not aerodynamic enough. (Getting around to answering some old e-mails.)