By 'brilliant' I mean quite effective. I searched but didnt find this movie in the Sherlock forum. While the main character is only a pupil of Holmes, the plotting and dialog are pure Holmes/Conan Doyle. Pretty funny and clever script by Curt Siodmak.
http://www.imdb.com/title/tt0036139/

Check out the Baskervilles hound head trophy - cool!
 http://i1186.photobucket.com/albums/z370/spiritgumm/torrents/mantrap2.png