...The males have prolonged hairs extending from the ears roundthe cheeks, forming a ruff, or whiskers as they are sometimes called,although the true whiskers are the labial bristles... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...Unable to wrenchloose, helpless to counter, in keen agony from thepinching of the tender throat-skin beneath themasses of ruff, Knave lost his nerve...
Albert Payson Terhune 「Lad: A Dog」
...She ran herfingers through his forest of ruff...
Albert Payson Terhune 「Lad: A Dog」
...Absent-mindedly, stillabsorbed in her book, she put out a hand and pattedthe soft fur of his ruff and ears...
Albert Payson Terhune 「Lad: A Dog」
...His tail is very bushy and a fine ruff adorns hisneck...
Harrison Weir 「Our Cats and All About Them」
...He ran with head down; and with tawny ruff abristle...
Albert Payson Terhune 「Further Adventures of Lad」
...It hit his massiveshoulder, dislocating the joint and knocking the eighty-pound dog proneto earth, his ruff within an inch of the wheel...
Albert Payson Terhune 「Further Adventures of Lad」
...Indeed, the dog was in a far corner of the room, pressedclose to the closed outer door, and with crest and ruff a-droop...
Albert Payson Terhune 「His Dog」
...The feathers on the neck andchest are very long and broad and no doubt form a mostimposing ruff when the bird is displaying...
A. F. R. Wollaston 「Pygmies and Papuans」
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