There must be a strict compliance with the terms of a guaranty, or the surety will not be bound.

Where a person engaged to be holden as surety to pay for certain goods to be furnished to the principal debtor, at six months’ credit —the goods were furnished, but by *210the bills of purchase it appeared that part were purchased at four, and part at six months,—Held, that the surety was not liable for any part of the purchase.

(S. C., 10 N. Y. 469.)