...I do not think that it is evenoccasional, as stated by some naturalists, but is of comparativelyrare occurrence; and such deformities are by no means confined tothis genus only... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...I noticed but few deformities of person among them; once or twice I have seen on the sand the print of inverted feet...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
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