Of monographs, the best and most complete is Redepenning, Origenes, eine Darstellung seines Lebens and seiner Lehre (2 vols., 1841, 1846).
In 1908 two laws proposed by initiative petition were passed, stopping all fishing by night and fishing in the navigable channels of the lower river, limiting the length of seines to be used in the lower river and abolishing the use of gear by fishermen of the upper river - the mouth of the Sandy river, in Multnomah county, being the dividing line between the upper and lower Columbia.
Tuna fishermen using purse seines may encircle dolphins also.
