Property may be acquired by accession in the following cases:

(1) The fruits of the earth, either produced naturally, or by human industry.

(2) The increase of animals.

(3) Materials of one person united to the materials of another.

1 See subject of Public International Law, Vol. VII, Sub. 38. 2 2 Kent, Com., pp. 356,357; Livermore vs. White, 74 Me., 456. 3 Kent Com , p. 358.

(4) Confusion of goods.

(1) The productions of the earth, whether produced naturally, or as a result of human labor, belong to the owner of the soil or the person rightfully in in possession thereof.

(2) The increase of animals belong to the owner of the mother. If domestic animals are hired for a limited period, their increase during such special period belongs to the hirer.4

(3) Where materials are furnished by one person, or several, and are united by the labor of another, the joint produce will, in the absence of any agreement, belong to the contributor of the most important or valuable constituent, whether it be materials or labor.5

(4) Where a person wrongfully so mingles his own goods with those of another person, that they cannot be separated, the wrongdoer loses his goods, which become the property of the other person.