SENECAL, Louis Adelard, Canadian senator, born in Varennes, Lower Canada. 10 July, 1829; died in Montreal, 11 October, 1887. He was educated in his native place and in Burlington, Vermont, and afterward engaged in business. He was a member of the Quebec assembly for Drummond and Arthabaska from 1867 till 1871, and of the Dominion parliament for Yamaska from 1867 till 1872, and became a member of the Dominion senate, 12 March, 1887. In 1857 he opened to navigation the Yamaska river between Sorel and St. Aired, and the St. Francis river between Sorel and St. Francis. He has constructed numerous railways, including the ice railway on the St. Lawrence from Montreal to Longueuil, which he worked for two winters. Under his management the Richelieu line was extended from Hamilton and Toronto to Chicoutimi, a distance of about 1,000 miles. He was a general superintendent of the government railways of the province of Quebec, president of the North Shore railway, the Montreal City Passenger railway, and the Richelieu and Ontario navigation company. He was a commander of the French Legion of honor.