California Constitution,
Art. XIX, Sec. 1 (1879)

nSection 1. The Legislature shall prescribe all necessary regulations for the protection of the State, and the counties, cities, and towns thereof, from the burdens and evils arising from the presence of aliens who are or may become vagrants, paupers, mendicants, criminals, or invalids afflicted with contagious or infectious diseases, and from aliens otherwise dangerous or detrimental to the well-being or peace of the State, and to impose conditions upon which persons may reside in the State,