Mumsie is a 1927 British silent drama film directed by Herbert Wilcox and starring Pauline Frederick, Nelson Keys and Herbert Marshall.
 It was adapted from a play by Edward Knoblock about a favourite son of a family who proves to be a coward when war breaks out.
 Pauline Frederick's last silent film.
 "Mumsie" is a lost film.
 It was made at Twickenham Studios.
The Scarlet Letter is a 1922 British silent drama film directed by Challis Sanderson and starring Sybil Thorndike, Tony Fraser and Dick Webb.
 It is an adaptation of the novel "The Scarlett Letter" by Nathaniel Hawthorne.
Love in the Wilderness is a 1920 British silent drama film directed by Alexander Butler and starring Madge Titheradge, C.M. Hallard and Campbell Gullan.
 It was adapted from Gertrude Page's novel of the same name.
 The film is a romantic melodrama, set partly on a farm in Southern Rhodesia.
 The film was shot in California.
God's Clay is a 1919 British silent drama film directed by Arthur Rooke and starring Janet Alexander, Humberston Wright and Maud Yates.
 It is an adaptation of the novel "God's Clay" by Claude Askew and Alice Askew.
 The story was adapted for a 1928 film "God's Clay" directed by Graham Cutts.
Far from the Madding Crowd is a 1915 British silent drama film produced and directed by Laurence Trimble and starring Florence Turner, Henry Edwards and Malcolm Cherry.
 Trimble also adapted Thomas Hardy's 1874 novel for the screen.
 "Far from the Madding Crowd" is a lost film.
The Manxman is a 1929 British silent drama film directed by Alfred Hitchcock and starring Anny Ondra, Carl Brisson and Malcolm Keen.
 The film is based on a popular 1894 romantic novel "The Manxman" by Hall Caine, which had previously been made into a film 12 years earlier.
 It was the last silent film that Hitchcock directed before he made the transition to sound film with his next film "Blackmail".
Nathaniel Hawthorne ( ; born Nathaniel Hathorne; July 4, 1804 – May 19, 1864) was an American novelist, dark romantic, and short story writer.
The Manxman (also known as The Manx-Man) is a 1916 British silent drama film directed by George Loane Tucker and starring Henry Ainley, Adeline Hayden Coffin and Will Corrie.
 It is based on the novel the 1894 novel of the same name by Hall Caine.
 A second, silent adaptation was released in 1929; and directed by Alfred Hitchcock.
Lamp in the Desert is a 1922 British silent drama film directed by F. Martin Thornton and starring Gladys Jennings, Louis Willoughby and George K. Arthur.
 It was adapted from a novel by Ethel M. Dell.
The Ever Open Door is a 1920 British silent drama film directed by Fred Goodwins and starring Hayford Hobbs, Daphne Glenne and Margaret Hope.
 It was based on the play "The Ever Open Door" by George R. Sims, a leading Victorian writer of stage melodramas.
 It was one of a number of Sim's plays to be adapted for cinema during the Silent era.

Question: What novel written by an American novelist born in 1804 was adapted into a British silent drama film?
Answer: "The Scarlett Letter"