West Virginia Constitution of 1872 Art. VI, § 3. Senators and delegates--Terms of office

Senators shall be elected for the term of four years, and delegates for the term of two years. The senators first elected, shall divide themselves into two classes, one senator from every district being assigned to each class; and of these classes, the first to be designated by lot in such manner as the Senate may determine, shall hold their seats for two years and the second for four years, so that after the first election, one half of the senators shall be elected biennially.