The defendants in error brought suit in the court of common pleas of Philadelphia against the Pennsylvania Railroad Company, to recover for injuries to a horse shipped by them from Albany in the state of New York to Cynwyd, in the state of Pennsylvania. The shipment was under a bill of lading of the New York Central and Hudson River Railroad Company, bearing date of August 10, 1900. It recited the receipt of the horse——'for transportation from _____ to destination, if on the said carrier'...