[722] Memphis Gas Co. v. Beeler, 315 U.S. 649 (1942).

[723] Ibid. 656-657

[724] Spector Motor Service v. O'Connor, 340 U.S. 602 (1951).

[725] 114 U.S. 196 (1885).

[726] Hays v. Pacific Mail S.S. Co., 17 How. 596 (1855).

[727] Packet Co. v. Keokuk, 95 U.S. 80 (1877); see also Transportation Co. v. Parkersburg, 107 U.S. 691 (1883).

[728] Ayer & L. Tie Co. v. Kentucky, 202 U.S. 409 (1906). For a résumé of the rules for taxing vessels see Northwest Airlines v. Minnesota, 322 U.S. 292, 314-315 (1944), note 2.

[729] Old Dominion S.S. Co. v. Virginia, 198 U.S. 299 (1905): a vessel enrolled in New York at domicile of owner, but operating wholly in Virginia, was held taxable in Virginia.

[730] 336 U.S. 169 (1949).

[731] Northwest Airlines v. Minnesota, 322 U.S. 292 (1944).