The Canadian federal election of 1878 resulted in the end of Canada suffered an economic depression during Mackenzie's term, and his party was pounished by the voters for it. The Liberals' policy of free trade also hurt their support with the business establishment in Toronto and Montreal.
Sources: http://www.elections.ca -- History of Federal Ridings since 1867 (http://www.parl.gc.ca/information/about/process/house/hfer/hfer.asp?Language=E)
Note:
"Before" refers to standings in the House of Commons at the last election, and not standings at dissolution.
Acclamations The following Members of Parliament were elected by acclamation;
British Columbia: 1 Conservative, 1 Liberal-Conservative
Manitoba: 2 Conservatives, 1 Liberal-Conservative
Quebec: 1 Conservative, 2 Liberal-Conservatives, 1 Liberal