delivered the opinion of the court.
The first error assigned in this case, both in the petition and in the brief of the plaintiffs in error, is that the demurrer to the declaration was overruled; when it should have been sustained. We understand, however, that this objection has been waived by the counsel in this court; and we think properly. The contract under consideration does not present the case of a condition precedent, to be strictly performed by the defendants in error before any liability would rest on the plaintiffs in error; but it is rather a case of concurrent promises, where the acts to be done are simultaneous, imposing correlative duties on both parties. In such cases “ either party may sue the other for a breach of the contract on showing either that he was able, ready and willing to do his act at the proper time, and in the proper way, or that he was prevented from doing it—being so ready to do it—by the act or default of the other contracting party.” 2 Parsons on Contracts, 5th ed. p. 677; 4 Rob. Practice, p.p. 300 to 304, and cases cited.
Indeed, even in cases of conditions strictly precedent, it has been held by this court, that “ whenever the defendant, by his own act or neglect, prevents the performance of the condition precedent, he thereby excuses it; and the.plaintiff may recover, as if he had performed the condition.” J. Moncure, delivering the opinion of the court in the case of The Baltimore & Ohio Railroad Company v. Polly, Wood & Co., 14 Gratt. 447, 462.
We think that the plaintiffs below sufficiently averred in the declaration their ability, readiness and willingness to perform their part of the contract at the proper
The court is further of opinion, that there was no error in the refusal of the court below to give the first and second instructions, in the form asked by the defendants below, or in giving them as modified by the court. The first instruction asked for was as follows: “Unless the jury believe from the evidence, that each hog of the 241 hogs in plaintiffs’ declaration mentioned, weighed not less than 180 pounds gross at the scales near Glade Spring depot, on the 8th of December 1865, they must find for the defendants.”
The contract set out in the declaration, allowed the plaintiffs below, the option of delivering not less than 200 nor more than 300 hogs of the prescribed weight. Under that contract they clearly had a right to deliver 200 or 300, or any intermediate number of their proper weight; yet the instruction asked for would entirely deprive them of that option, and would defeat their action altogether, notwithstanding 240 of the 241 hogs tendered, might exceed the minimum weight. The court refused to -give the instruction in that form, but ' modified it so as to made it conform to the contract of the parties. In this, there was no error.
The second instruction, as asked by the defendants below, affirmed the same principle, and very properly received at the hands of the court the same modification.
The fourth instruc+ion moved by the defendants below, affii’med two propositions, neither of which were sanctioned by the contract of the parties.
The first was, that it was incumbent on the plaintiffs below, in order to sustain their action, to show that each
The second branch of the instruction affirmed the same proposition which had already been twice rejected by the court, viz: If any one of the 241 hogs weighed less than 180 pounds, the jury should find for the defendants. Such not being the true meaning of the contract, nor the effect of the declaration, we are of opinion that the entire instruction was properly refused.
The court is further of opinion that there was no error
To sustain the last mentioned objection, reference has been made to 1 Greenleaf on Evidence, § 82. The general rule is there laid down, “ that no evidence shall be received which is merely substitutionary in its nature, so long as the original evidence can be had” This rule plainly implies the substitution of weaker in the place of other and “ original ” evidence which was at the time in existence and accessible, and evidently applies to cases of written testimony, in which there is an attempt to use in the place of the “originals” either copies or parol proof of their contents. In such cases the “ originals,” if in existence, must be produced.
To make the rule apply to Hamilton’s testimony, then, it should have appeared that the hogs had been in fact separately weighed, and a list of weights kept; and that this original list of weights had been withheld without explanation, and a mere copy offered. Such was not the case. The best original testimony of which the case admitted was adduced; and the rule, therefore, is not infringed, nor did the court err in allowing the witness to express his opinion ás an expert.
The nature of the testimony was such that it could only be given as his opinion: It did not admit of absolute certainty. Like questions' of identity, handwriting and the like, the opinion and belief of the witness was the only proper form of testimony, the only kind of testimony that could at that time be offered touching the fact in question. It was not properly speaking the testimony of an expert, but was evidence of a
And we are further of opinion, that the testimony of Kelly, Johnson and others as to the market price of hogs at other places than Abingdon, in the vicinity of the place of delivery, was, under the circumstances, proper and admissible to show the value of the hogs at the time and place of delivery. It was not a case for trammelling the plaintiffs who were in no default with rigid requirements. There being no market for hogs on the day and at the place of delivery, it was competent to show their actual value at that time and place, which is the true point of enquiry, by “ comparison of such prices and sales,” (in the vicinity at or about that time,) as can be shown, and by reference to the reasonable probabilities of the case ; and “ in such case, recourse may be had to the sales which were made nearest in time and in the nearest market.” But this is a means merely of ascertaining the value at the time and place of delivery when
The only remaining questions arise on the motion for a new trial. Without goinginto an examination of the evidence, we will content ourselves with saying that the case was fairly submitted to the jury; that there was testimony in the cause to sustain the verdict; and that it was approved by the judge who presided at the trial. Under such circumstances it is not the practice of this court to interfere with a verdict approved by the court of trial, although this court might be inclined to differ to some extent with the judge.
Upon the whole case we are of opinion that there is no error in the judgment of the Circuit court, and that the same be affirmed, with costs and damages to the appellees.
Judgment arrirmed.