CANADA has lately shared largely in the moral earthquake which has so violently shaken all parts of the British empire. We subjoin an extract from the temperate and dignified statement of their grievances, lately published by 350 of the leading men at Montreal, to show how largely free trade enters into them. "Belonging to all parties, origins, and creeds, but yet agreed upon the advantage of co-operation for the performance of a common duty to ourselves and our country, growing out of a common necessity, we have consented, in view of a brighter and happier future, to merge in oblivion all past differences, of whatever character, or attributable to whatever source. In appealing to our fellow-colonists to unite with us in this our most needful duty, we solemnly conjure them, as they desire a successful issue, and the welfare of their country, to enter upon the task, at this momentous crisis, in the same fraternal spirit. _The reversal of the ancient policy of Great Britain, whereby she withdrew from the colonies their wonted protection in her markets, has produced the most disastrous effects upon Canada._ In surveying the actual condition of the country, what _but ruin or rapid decay meets the eye_? Our provincial government and civic corporations embarrassed; our banking and other securities greatly depreciated; our mercantile and agricultural interests alike unprosperous; real estate scarcely saleable upon any terms; our unrivalled rivers, lakes, and canals almost unused; while commerce abandons our shores, _the circulating capital amassed under a more favourable system is dissipated_, with none from any quarter to replace it! Thus, without available capital, unable to effect a loan with foreign states, or with the mother country, although offering security greatly superior to that which readily obtains money both from the United States and Great Britain, when other than colonists are the applicants:--crippled, therefore, and checked in the full career of private and public enterprise, this possession of the British crown--our country--stands before the world in humiliating contrast with its immediate neighbours, exhibiting every symptom of a nation fast sinking to decay. With superabundant water-power and cheap labour, especially in Lower Canada, we have yet no domestic manufactures; nor can the most sanguine, unless under altered circumstances, anticipate the home growth, or advent from foreign parts, of either capital or enterprise to embark in this great source of national wealth. Our institutions, unhappily, have not that impress of permanence which can alone impart security and inspire confidence, and the Canadian market is too limited to tempt the foreign capitalist.