Marx Brothers Say She Is". Their third feature-length film, "Monkey Business" (1931), was their first movie not based on a stage production. "Horse Feathers" (1932), in which the brothers satirized the American college system and Prohibition, was their most popular film yet, and won them the cover of "Time" magazine. It included a running gag from their stage work, in which Harpo produces a ludicrous array of props from inside his coat, including a wooden mallet, a fish, a coiled rope, a tie, a poster of a woman in her underwear, a cup of hot coffee, a sword; and, just after Groucho
The Maltese Falcon (1931 film) in San Francisco. The film closely follows the plot of the book. The 1941 adaptation, which began with a revised version of the 1931 script, closely follows the book as well, although most references to homosexuality, stripping (the missing $1000) and other no longer permissible portions under the Motion Picture Production Code are missing. The dialogue for both films is often taken directly from the novel, verbatim. Differences between the two films are due almost wholly to Pre-Code aspects of the earlier film. In addition to an overall lighter tone and looser pace, the 1931 film contains sexually suggestive situations.