DOUGLAS, ISLE OF MAN.—On the 18th February the brigantine Lapwing, of Liverpool, bound from that port to New Calabar, was at anchor in a dangerous position, having previously lost sails, &c., in Douglas Bay; the master and part of the crew being on. shore, whither they had gone to purchase stores. The wind having increased to an extent which precluded the use of an ordinary boat, the No. 2 Life-boat, the John Turner-Turner, was sent out with the master and other necessary aid..