Tk* Weather continues cold, night before last b.-iiig one of the coldest of this severe spell.— The streets are still very slippery, and unsafe to horses and moles not shod in'the saoet ap proved amumOT for traveling over ice. The brief interval.-, of thawing that have occurred about mid-day tor :i lew days peel, bave near ly melted the ice on the north sides of the streets and made them a little more traversa