...Sight andscent became remarkably keen, while his hearing developed such acuteness thatin his sleep he heard the faintest sound and knew whether it heralded peace orperil... 
Jack London 「The Call of the Wild」
...Some dogs, however, seemto excel in acuteness of hearing, and others in peculiar powers ofvision...
Edward Jesse 「Anecdotes of Dogs」
...The hand is, however, much assisted by the eye,whose acuteness detects deficiencies and redundancies at once...
Robert Jennings 「Sheep, Swine, and Poultry」
...His sense of smell, never remarkable for its acuteness in detail, hadtold Finn nothing, save that his quarry in this strange hunting was man...
A. J. Dawson 「Finn The Wolfhound」
...This is particularly observable in the acuteness ofthe angle formed by the tibia and tarsus, and in the slenderness of thelower part of the legs...
George Vasey 「Delineations of the Ox Tribe」
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