from
Bouvier's Law Dictionary, Revised 6th Ed (1856)
ALLUVION. The insensible increase of the earth on a shore or bank of a river
by the force of the, water, as by a current or by waves. It is a part of the
definition that the addition, should be so gradual that no one can judge how
much is added at each moment of time. Just. Inst. lib. 2, tit. 1, Sec. 20; 3
Barn. & Cress. 91; Code Civil Annote No. 556. The proprietor of the bank
increased by alluvion is entitled to the addition. Alluvion differs from
avulsion in this: that the latter is sudden and perceptible. See avulsion.
See 3 Mass. 352; Coop. Justin. 458; Lord Raym. 77; 2 Bl. Com. 262, and note
by Chitty; 1 Swift's Dig. 111; Coop. Just. lib. 2, t. 1; Angell on Water
Courses, 219; 3 Mass. R. 352; 1 Gill & Johns. R. 249; Schultes on Aq.
Rights, 116; 2 Amer. Law Journ. 282, 293; Angell on Tide Waters, 213; Inst.
2, 1, 20; Dig. 41, 1, 7; Dig. 39, 2, 9; Dig. 6, 1, 23; Dig. 1, 41, 1, 5; 1
Bouv. Inst. pars 1, c. 1 art. 1, Sec. 4, s. 4, p. 74.