A TREATISE ON THE LAW OF PRIZE. deal, to the exclusion of all Courts of common law,® with claims for freights where ships or cargoes have been captured, not only as between captors and owners, but also as between owners of ships and owners of cargoes,* and its jurisdiction to deal with freight is not affected by the release of the cargo or ship.® It will also adjudicate on all questions of damage for demurrage or deten- tion of ships or cargoes,’ on all matters of salvage,” average,” and, generally, with all claims affecting the captured ships and goods. The jurisdiction of the Court having once attached, the onus of proving its determination rests on those who allege it.° It commences as soon as there is a seizure in prize, and if the captors do not promptly bring in the property seized for adjudication, the Court will, at the instance of any party aggrieved, compel them so to do. Subject. § 31. The subject-matter of the Court’s matter o : . the Court's ordinary jurisdiction covers captures of ships, jurisdiction. : . 2 ; goods and choses in action,” all of which terms are used in a wide sense. St. Helena, [1916] 2 A. C. 625, and Egyptian Bonded Warehouse Co. v. Yeyasu Goshi Kaisha, [1922] 1 A. C. 111. 3 The Wilhelmina, [1923] P, 112. Cf. Smart v. Wolff (1789), 3 Term Rep. 323, 341. . . 4 The Corsican Prince, [1916] P. 195; The St. Helena, [1916] 2 A. C, 625, 5 The Iolo, [1916] P. 206. 6 The Katwyk, [1915] 1 B. & C. P. C. 282; The Kronprins Gustay Adolf, [1917] 2 B. & C. P. C. 418; The Zamora, [1916] 2A CT 7 The Chateaubriand, [1916] 2 B. & C. P. C. 69; The Pontoporos, [1916] P. 100. 8 The Sorfareren; [19157 1 B. & C. P. C. 589. ® The St. Helena, [1916] 2 A. C. 625. 1 The Zamora, [1916] 2 A. C. 71. 2 The Frederick VIII., [1917] P. 43, 45; Story, op. cit., p. 28. 29