118 



INTRODUCTION. 



4, 



(Alijies obstetricans 

 \Bufo 



v virulis 



6. RaiM (jTseca 



7. Bombluator fachijpibn 



8. lidiut iberi.ca 



9. luiiid agilis . 



10. Biifo calamita 



11. Bana esoidenta 



12. Hi/lu arborea 



Feet. 



6500 



6500* 



5800 



5500 



4500 



4200 



4000 



3500 



3300 



The other species do not ascend to 3000 feet. 



The following' table shows the distribution in the 

 different countries of Europe : 



1. GreiLt Britain and Ireland. 



2. Scandinavia and Denmark, 



3. Fiance. 



4. Belginm and Holland. 



5 Germany and Switzerland. 



6. Spanisli Peninsula. 



7. Italy. 



8. Austria-Hungary and Roumania. 



9. Dalmatia, Bosnia^ and countries south of the Danube. 

 10. Russia. 



* 15,000 feet in the Himalayas. 



