"Isle Aktok."-A Sea-Horse and a Sea-Horse Hunt.-In High Spirits.-Sudden Interruption of the Hunt.-A Heavy Gun.-The Race to the Ledge-Tops.-Too Late.-A Disheartening Spectacle.-Surprised by the Company's Ship.-The Schooner in Peril.-Capt. Hazard bravely waits.-The Flight of "The Curlew" amid a Shower of Balls.-The Chase.-Left on the Islet.-A Gloomy