“Therefore, it had nothing to do with demonstrating how the genetic information coding for feathers could have arisen in the imagined reptilian ancestors of birds.”
“But, with a reptilian smirk, Charles thought about the ace that was going to be played on good old Kirby.”
“No answer came but a long, low reptilian laugh.”
reptile
Creeping; moving on the belly, or by means of small and short legs.