152 REPORTS ON THE STATE OF SCIENCE. — 1915. 



Map la. 



The European areas to be shown are enclosed by broken lines (Maps 13 and 17a) 

 and continuous lines (Maps 14, 15, 17b, and 18). 



(13) Mediterranean (10 millions). 



(14) Central Europe (5 millions'). 



(15) Italy and Balkans (5 millions). 



(16) Alps. 



(17) (a) N.W. Europe (10 millions), (b) Spain (5 mOlions). 



(18) (a) France (5 millions). ([') British Isles (5 millions). 



(19) Large-scale maps; e.g., position of Vienna. 



America. 



(20) (a) North America (40 millions'), phj-sical. Inset (80 millions) ; 



temperature: January, Julj*. 

 (b) North America (40 millions), political. Inset (80 millions); 

 rainfall, seasonal. 



