on the ass # 09_1SA_25_20 # And it was [so, as] she rode on the ass, that she came down by the covert of the hill, and, behold, David and his men came down against her; and she met them. 
upon the ass # 11_1KI_13_29 # And the prophet took up the carcase of the man of God, and laid it upon the ass, and brought it back: and the old prophet came to the city, to mourn and to bury him.