The reader is referred to the article Courts of the United States, where he will find all which has been thought necessary to say upon it as been the subject. Vide, generally, Dunlap's Adm. Practice; Bett's Adm. Practice; 1 Kent's Com. 353 to 380; Serg. Const. Law, Index, h.t.; 2 Gall. R. 398. to 476; 2 Chit. P. 508; Bac. Ab. Courts of Admiralty; 6 Vin. Ab. 505; Dane's Ab. Index b. t; 12 Bro. Civ. and Adm. Law; Wheat. Dig. 1; 1 Story L. U. S. 56, 60; 2 Id. 905, 3 Id. 1564, 1696; 4 Sharsw. cont. of Story's L. U. S. 2262; Clerke's Praxis; Collectanea Maritima; 1 U. S. Dig. tit. Admiralty Courts, XIII.