1868 C. Darwin Variation Animals & Plants I. iv. 107 When one parent, or even both, are oar-laps [sic], that is, have their ears sticking out at right angles, or when one parent or both are half-lops, that is, have only one ear dependent, there is nearly as good a chance of the progeny having both ears full-lop, as if both parents had been thus characterized. But I am informed, if both parents have upright ears, there is hardly a chance of a full-lop.

1877 C. Rayson Rabbits xiii. 70 In rearing lops, little divergence need be made from the usual mode adopted.

1884 R. O. Edwards Rabbits vii. 54 It is very difficult to arrive at whether or not the drooping of the ears of the Lop is natural.

1884 R. O. Edwards Rabbits vii. 55 Oar Lops, Half Lops, and Horn Lops, are not..to be considered anything fancy.