...Some curious malformations are occasionally foundwhich illustrate the growth of these teeth... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...This plate illustrates various malformations and diseases of the fetus which actas the cause of difficult parturition...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Other malformations of variouskinds are not infrequently found in the human external sexual organs, and someof them have a great morphological interest...
Ernst Haeckel 「The Evolution of Man」
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