
486 THE INSECT WORLD. 
tainous countries. The largest species, the Mebria arenaria 
(Fig. 512), is found all along the coast of the Mediterranean, and 

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Fig. 509.—Procrustes coriaceus. Fig. 510. --Procerus gigas. 

even on the western shores of France. But its colours grow paler as 

Fig. 511.—Omophron libatum. Fig. 512.—Nebria arenaria. 
7+ advances northward on the African coast. It is of a bright 
yellow, with black lines. The Nebrias hide themselves either 
‘under masses of seaweed cast a by the waves, or under the | | 
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