negotiable instrument, signifies that the Indorser means to save himself from liabilityto subsequent holders, and is a notification that, if payment is refused by the partiesprimarily liable, recourse cannot be had to him. See Thompson v. First State Bank,102 0 Ga. 600, 29 S. E. 610; Epler v. Funk, 8 Pa. 4GS; Youngberg v. Nelson, 51Minn. 172, 53 N. W. 629, 38 Am. St. Rep. 497; Bankhead v. Owen, 60 Ala. 461.