In a real estate agent's action for a commission, alleging a contract whereby defendants jointly contracted to pay a commission for a sale of land, wherein the court found, on sufficient evidence, that defendants had listed the land and agreed to pay a commission as alleged; there was no variance on the ground that the evidence showed a several obligation by each defendant to pay a commission on his part of the land. Keithley v. Ward, 217 S. W. 428, - Tex. Civ. App. - .