FOUND IN THE FRITH OF FORTH. 533 



G. tricirratus. Three-bearded Cod ; Rock-ling. 



This kind is common among the sea- rocks near 

 the beach, and is taken along with the viviparous 

 blenny. It has generally been considered by na- 

 turalists as only a variety of G. Mustela, or Five- 

 bearded cod ; but Pennant and Donovan have 

 rightly established it as a distinct species. 



G. Brosmc. Tusk, or Scotch Torsk. 



Very rarely taken about the mouth of the Frith, 

 -and brought to the Edinburgh market. 



Blennius. 



B. Gunnelus. Spotted Blenny, or Butter-fish. 



This is perhaps not uncommon ; but it is never 

 brought to market, and it is not easily taken, as it 

 escapes very nimbly. It is found at ebb-tide in 

 small pools among rocks, covered with the larger 

 sea-weeds. 



B. viviparus. Viviparous Blenny ; Greenhorn* 



Here this species sometimes gets the names of 

 Eelpout and Guffer, but more frequently Green- 

 bone, from the backbone becoming green when the 

 fish is boiled. It is very common among the rocks 

 and sea- weeds all along our shores. Though not 

 a delicate morsel, it is often brought to market. 

 In the month of February 1807, I saw a large fe- 

 male in the fish-market, from which several do- 

 zens of young ones escaped alive. Dr Shaw tells 

 usy that the viviparous blenny sometimes attains 



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