...About eleveno’clock, one of the asses proving very refractory, thenegroes took a curious method to make him tractable... 
Mungo Park 「Travels in the Interior of Africa, Vol. 1 [of 2]」
...This noble animal is also described as "similar in shape to agreyhound, larger than a mastiff, and tractable as a spaniel...
Edward Jesse 「Anecdotes of Dogs」
...She is very quiet, and isused for all the purposes of the dairy; as also, (I have been informedby the natives,) for tilling the ground, and is more tractable than theBuffalo...
George Vasey 「Delineations of the Ox Tribe」
...Our friend then appended this proud trophy to his saddle-flap by a piece ofwhipcord, and, mounting the now tractable Hercules, began to cast about insearch of a landmark...
R. S. Surtees 「Mr. Sponge's Sporting Tour」
...A young specimen of this animal was sent from Sumatra to Bengal, which became very tractable...
Samuel Griswold Goodrich 「Illustrative Anecdotes of the Animal Kingdom」
...He found the animal tractable, and soon taught her what he wished bythis mode of reward and punishment...
Unknown 「Anecdotes of Animals」
...Superstition, sustained by tyranny, ousted every other feeling, hoodwinked its destined victims, rendered those tractable whom it had the intention to despoil...
Paul Henri Thiery (Baron D'Holbach) Samuel Wilkinson 「The System of Nature, Volume 2」
便利！手書き漢字入力検索
この漢字は何でしょう？？