The owner of land may acquire from the owner of adjoining land an easement consisting of a right to support for buildings on his land from such adjoining land,54 or from adjoining-buildings,55 neither of which exists as a natural right.

L. Cas. 362; Aspden v. Seddon, 10 Ch. App. 394; Wilms v. Jess, 94 111. 464, 34 Am. Rep. 242; Scranton v. Phillips, 94 Pa. St. 15; Miles v. Pennsylvania Coal Co., 217 Pa. St. 449, 10 Ann. Cas. 871, 66 Atl. 764; Kirwin v. Delaware L. & W. R. Co., 249 Pa. 98, 94 Atl. 468. That such a privilege of removing surface support is properly regarded as an easement, see Professor Hohfield's luminous article, 27 Yale Law Journ. 66.

53. Dixon v. White. 8 App. Cas. 883; Sloss Sheffield Steel & Iron Co. v. Sampson, 158 Ala. 590, 48 So. 493; Wilms v.jess, 94 I11. 464, 34 Am. Dec. 242; Lloyd v. Cat-lin Coal Co., 210 111. 460, 71 N. E. 335; Paull v. Island Coal Co., 44 Ind. App. 218, 88 N. E. 959; Collins v. Gleason Coal Co , 140 Iowa, 114, 18 L. R. A. N. S. 736, 115 N. W. 479; Walsh v. Kansas Fuel Co., 91 Kan. 310, 50 L. R. A. N. S. 686, 137 Pac. 941; Piedmont etc. Coal Co. v. Kearney, 114 Md. 496, 79 At. 1013; Erickson v. Michigan Land & Iron Co., 50 Mich. 604, 16 N. W. 161; Burgner v. Humphreys, 41 Ohio St. 340; Robertson v. Youghiogheny River Coal Co., 172 Pa. St. 566, 33 Atl. 706; Weaver v. Berwind-white Coal Co., 216 Pa. 195, 65 Ala. 545; Berkey v. Berwind-white Coal Co., 220 Pa. 651, 16 L. R. A. X. S. 851, 69 Atl. 329; Stongap Colliery Co. v. Hamilton, 119 Va. 271, 89 S. E. 305; Catron v. Smith Buller Min. Co.. 181 Fed. 941, 104 C. C. A. But see Griffin v. Fairmont Coal Co., 59 W. Va. 480, 2 L. R. A. N. S. 1115, 53 S E. 24; Kuhn v. Fairmont Coal Co., 179 Fed. 191, 102 C. C. A. 457.

54. Rigby v. Bennett, 21 Ch. Div. 559; Tunstall v. Christian, 80 Va. 1, 56 Am. Rep. 581; Lasala v. Holbrook, 4 Paige (N. Y.) 173.

55. Angus v. Dalton, 4 Q. B. Div. 162; Dalton v. Angus, 6 App. Cas. 740; Murchie v. Black, 19 C. B. (N. S.) 190; Richards v. Rose, 9 Exch. 218; Lemaitre v. Davis. 19 Ch. Div. 281; City of Quincy v. Jones. 76 111. 231. 20 Am. Rep. 243; Pierce v. Dyer, 109 Mass. 374, 12 Am. Rep. 716; Partridge v. Gilbert, 15 N. Y. 601, 69 Am. Dec. 632.

In cases in which separate floors of a building belong to different persons, there is a right of support for the upper floor or floors from the lower part of the building, and this right the owner of the latter can in no way impair, there being an implied grant to this effect in the conveyance of such upper floor or floors.56