Speech delivered by the Hon. J.W. Johnston, in the House of Assembly of Nova Scotia, on the 10th February, 1854 [microform] : on introducing resolutions affirming the benefit of the union or confedera[t]ion of the British North American colonies; and recommending measures for inducing the consideration of the subject by the several provincial governments under sanction of the imperial authorities : and a recent letter of that gentleman on the proposal to republish the speech