The present map is a new addition to one of these series. It is boldly printed, and coloured in a manner to make it easily visible in all parts of a large classroom. The scale is 1:633.600 ...

This is a genetic map of the British Isles, based on work by Professor Jim Wilson from the University of Edinburgh's Usher Institute and MRC Human Genetics Unit. Disclaimer: AAAS and EurekAlert!