The Penycuik experimentsde J. C. EwartMateriasHorsesTelegonyHybridization1899Imprints (Adam and Charles Black)Ediciones (1)The Penycuik experiments (1899)A. and C. Black · inglésMás obras de J. C. EwartA critical period in the development of the horseOn the structure of the retinaTThe preservation of fishThe preservation of fish