Ulisse Aldrovandi
Ornithologiae tomus alter - 1600
Liber
Decimusquartus
qui
est 
de Pulveratricibus Domesticis
Book
14th
concerning
domestic
dust bathing fowls
transcribed by Fernando Civardi - translated by Elio Corti
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           [322]
          Pullus iste tribus pedibus natus tertium habebat, velut ex uropygio
          enatum. This
          chick born with three legs had the third one as growing
          out from uropygial gland.  | 
      
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           Sceleton
          hoc pulli monstrifici est, et superiori pullo fere similis, nisi quod
          pes e podice natus {quinque} <sex> digitis sit instructus. This
          skeleton is of a monstrous chick almost similar to the previous one
          except that the foot which grows out from the rump has six toes.  | 
      
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