James Fenimore Cooper,
The Prairie — Chapter VI
(1827)
“ In the mean time the naturalist stood like a statue of amazement, permitting a well-grown ass, against whose approach he no longer offered his boasted shield of light, to smell about his person, without comment or hinderance."It is your own ass," cried Ellen, the instant she found breath for words; "your own patient, hard working, hack!"The Doctor rolled his eyes from the beast to the speaker, and from the speaker to the beast; but gave no audible expression of his wonder."Do you refuse to know an animal that has laboured so long in your service?" ”
