INTRODUCTION. On February the First 1887, the Lady Vain was lost by collision with a derelict when about the latitude 1° S. and longitude 107° W. On January the Fifth, 1888—that is eleven months and four days after—my uncle, Edward Prendick, a private gentleman, who certainly went aboard the Lady Vain at Callao, and who had been considered drowned, was picked up in latitude 5° 3′ S. and longitude 101° W. in a small open boat of which the name was illegible, but which is supposed to have belonged to the missing schooner Ipecacuanha. He gave such a strange account