Wallace Line by the Sahul Shelf to New Guinea. The biogeographic boundary known as Lydekker's Line, which separates the eastern edge of Wallacea from the Australian region, has a similar origin to the Wallace line. During ice age glacial advances, when the , both Asia and Australia were united with what are now islands on their respective continental shelves as continuous land masses, but the deep water between those two large continental shelf areas was, for over 50 million years, a barrier that kept the flora and fauna of Australia separated from those of Asia. Wallacea consists of islands that were not
A Ship of the Line A Ship of the Line A Ship of the Line is an historical seafaring novel by C. S. Forester. It follows his fictional hero Horatio Hornblower during his tour as captain of a ship of the line. By internal chronology, "A Ship of the Line", which follows "The Happy Return", is the seventh book in the series (counting the unfinished "Hornblower and the Crisis"). However, the book, published in 1938, was the second Hornblower novel completed by Forester. It is one of three "Hornblower" novels adapted into the 1951 British-American film "Captain Horatio Hornblower R.N.". Hornblower has recently returned to