SCORPIO. 141 



ciprocally avoid the same localities. The former 

 is very common in the kingdom of Valencia, 

 and in Lower Catalonia, provinces in Spain, 

 in which M. Dufour was unable to discover 

 the slightest trace of the S. Europteus. We 

 may in vain seek for the European scorpion in 

 the dry hills and mountains in the environs of 

 Narbonne, on those of a schistous and desert 

 nature, which form a maritime ridge extend- 

 ing eight or ten leagues from north to south 

 between Barcelona and St. Philip, or on the 

 confines of Lower Catalonia with Arragon, 

 countries where the reddish scorpion is found, 

 and often in abundance. It is curious to re- 

 mark the natural limits of these creatures. A 

 little beyond Barcelona, we meet with the 

 first plantations of a very common tree, the Ce- 

 ratonia siliqua, and here likewise we find the 

 first traces of the reddish scorpion. This agree- 

 ment, as it were, holds good in all cases, with 

 respect to soil and situation. Neither the Ce- 

 ratonia nor the Scorpion can prosper except in 

 dry lands exposed to great heat and situated at 

 a short distance from the sea. M. Dufour pre-- 



