tha's Vineyard , bas projeeted an auxilliary an chor to be u�ed in cases of great dang"r , when the anchors of ve-sels may be dragging. We have seen a dJ'awing of it, which is now at the office of t.he UIllon Mutual Insurance Co. Wall street, this city. It appeared to us that if adopted alld used by all vessels, it would be the means of saving llundl€ds of lives ev· ery year. It is to be made of cast iron, witb a turtle shaped back on which are two stand ards with clasp eyes which are to be clasped