Lyrurus tetrix -- Black Grouse, Eurasian Black Grouse. Alternate name on piece: Tetrao mlokosiewiczi [Georgian black grouse] Very strong charcoal layout sketch with 2 points of color added to principal bird; a third bird, in flight in background, has been cut from another sheet and pasted on; position of lettering indicated at foot of sheet. Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Hart, William Matthew. Style reminiscent of Wolf (as is Gould 1097);