154 REPORTS ON THE STATE OF SCIENCE. 1915. 



Map lb. 



A, B, C, D, E are areas, some of ■whicli might be shown by cLmblc page maps on a 

 large scale (e.g., 1 : 500,000) ; a, h, c, single-page maps of holiday areas on a still 

 larger scale (say 1 : 200 000), 



