“Whenever Canon Law has been the basis of legislation, we find the laws of succession sacrificing the interests of daughters and wives.” “Du Cange, in his Glossary, voc Casia Christianitatis, has collected most of the causes with respect to which the clergy arrogated an exclusive jurisdiction, and Giannone, in the Civil History of Naples, lib. 19, sec. 3, has arranged these under proper heads scrutinizing the pretensions of the church.”