Slide showing three photographs of rabbits demonstrating 'reversion in rabbit coat color'. Slide shows three black and white photographs of rabbits demonstrating 'reversion in rabbit coat colour'. The top and bottom rabbits are white and the middle is a dark colour. Small white label in the upper left corner reads: 'Newton & Co, 43 Museum St, London W.C.1' Newton & Co were manufacturers of lantern slides and had various branches in London. Title below photographs reads: 'Fig. 27 - Reversion in rabbit coat color. A cross between two different vareties of white rabbits, top and bottom, produce all gray young like the wild type, centre. (From Castle, in Journal of Heredity)'. Late 19th to early 20th century