OSSEOUS PISHES. 
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the operculum. They are elongated in shape, with short muzzles ; they 
have a habit of burying themselves in the sand, and are formidable 
Fig. 085. The Cat-fish. 
to fishermen, from the dangerous wounds they inflict with their 
spines, l’rachinus communis (Fig. 386) is widely diffused in the 
Atlantic and Mediterranean. 
I'ig. iisti. The Wcever-fish (Traci i intis communis). 
The genus Uranoscojpus, so named from the position of their 
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