He stopped the doctor reverentially, and said he had heard he was an entomologist.

WOULD he be kind enough to tell him what was this enormous chrysalis he had just found?
"The death's head moth!" cried Aubertin with enthusiasm--"the death's head moth! a great rarity in this district.

Where found you this ?" Riviere undertook to show him the place.
It was half a league distant.

Coming and going he had time to make friends with Aubertin, and this was the easier that the old gentleman, who was a physiognomist as well as ologist, had seen goodness and sensibility in Edouard's face.

At the end of the walk he begged the doctor to accept the chrysalis.