Note 8 — AUTHOR'S PREFACE
Hannibal Evans Lloyd translation
Achille Valenciennes (1794-1864) was a French zoölogist, a friend and fellow-worker with Cuvier, and director of the Paris zoölogical museum.
Arend Friedrich August Wiegmann (1802-41) was for a time professor of zoölogy at Berlin. He founded (1835) Archivs fur Naturgeschichte.—Ed.