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Show Experiments In Breeding Animals. Boston. Experiments in tho breeding breed-ing of animals, similar to those carried car-ried on with plants by Luther Bur-bank, Bur-bank, aro announced by Dr. Earnest Castle, a scientkt at Harvard university. univer-sity. Dr. Castle has been nblo to broed a race of guinea pigs with four toes on tho hind foot, whero usually there aro only three; to Invent a now color for the guinea pig, tho cinnamon, cinna-mon, which was not known to natural ists till his were bred; a silvor guinea pig, that also is now to scioncc, and two kinds of rats. |