A real estate broker had found a purchaser at the price stipulated for land purported to be owned by his principal, and was then referred by him to other tenants in common, with whom he subsequently made terms at a higher price, except two-eighths interest owned by them, but did not disclose this to his first principal Held, there was no duty owing by the agent as to the outstanding two-eighths, and it was not incumbent upon him to inform his principal, and in a suit by the broker for his commissions against his original principal, he was entitled to go to the jury upon the question of fulfillment of the terms of the original contract. Black v. Barr, 14 Pa. Super. Ct. 98, 651.