The opinion of the court was delivered by Chief Justice Ewing.

The demand of the plaintiffs is for merchandize sold and delivered to the defendant, and the declaration contains the common counts. On the trial it appeared there had been a special agreement between the parties at the.sale of the goods, and the defendant insisted, among other things, that the plaintiffs could not recover, because their declaration contained only general counts and no count on the special agreement. A verdict and judgment having been rendered for the plaintiffs, the cause was removed into the Court of Appeals, and the above mentioned matter, with sundry others, being assigned for error, the judgment Avas reversed. A venire de novo having been ordered and the record remitted here, the plaintiffs have moved to amend their declaration by adding counts on the special agreement. The defendant insists the amendment cannot now be permitted.

The amendment sought by the plaintiffs Avill introduce no new cause of action. The proposed counts are, like the former, for the sale and delivery of merchandize; and of the same merchandize already the subject of demand in this action. The whole end of the amendment is to enable the plaintiffs to present the. same claim in another form better adapted to the evidence. Such being the case, the application is supported by *3principle and precedent, and similar amendments have repeatedly been made.

One of the usual terms, on which an amendment is allowed is, that the party asking it shall pay to the other the costs incurred in pointing out and establishing the error. As, if the amendment is asked on filing a demurrer, the costs of the demurrer; or, if after argument, the additional costs incident thereto; in order that the costs induced by the error may fall on him who has made it. The difficulty in settling the terms in the present case, results from the uncertainty whether the reversal took place 011 this ground, for if it did, the costs of the defendant in the Court of Appeals are clearly within the principle. It appears, however, <to have been one of the matters assigned for error and discussed; the plaintiffs’ counsel candidly states his information that a distinguished member of that court rested his decision upon it; and the application for amendment is predicated of an existing error. Hence we think these costs ought to be paid.

Let the amendment be made on payment of the costs of this motion, and the costs of the defendant in the Court of Appeals, and with leave to the defendant to plead anew.*

Ford, J. and Drake, J. concurred.

Cited in Exrs. Gulick v. Loder, 3 Gr. 410; Van Dyke v. Van Dyke, 4 Harr. 3; Ten Eyck v. Del. & Rar. Canal Co., Ib. 9.