158 _ REPORTS ON THE STATE OF SCIENCE.—1913. 
shown on the same scale, and for larger scale maps simple. sub- 
multiples of this scale should be used. 
List oF Maps. 
World Maps. 
1. Maps of a selected region, to exhibit scales, methods of showing 
relief, &c. 
2. Hemispheres, heights, depths: section along 45° N. 
European areas to be shown are enclosed by broken lines (Maps 13 and 17a) 
and continuous lines (Maps 14, 15, 17s, and 18). 
3. Hemispheres, political: inset River Basins. 
4. Hemispheres, population, density: Races insev. 
5. Polar Regions: Land and Sea Hemispheres. 
6. Vegetation: Ocean Currents. 
