have made au ïr.teresting scaentific diseovery this season. A few years ago they reached the whaling grouuds in August only to be obliged to leave tbem in September. Tnisyear they remained uuill October, and misht liuve delayed longer, so far as peiïl froin tbe ice pack was concernod. Thoy went witliin eighty miles of tho mouth of the McKenzie Biver, wliere sailiug vessels have never been before, and ruiyht have gone through to Baiüa'a B.ty without difllculty, and tben solved the mystery of the Northwest passage. They are unable to account fur thia strange atmospheric ohange.