CANARY ISLANDS. 1751. 95 



the fides of the head, are roundifh, oblique, 

 and fhine like filver. The opercula branchi- 

 aruin, or coverings of the gills, are two 

 round plates. The membrana branchiojlega 

 has fix radii, and is covered ; the upper radii 

 are very long, the lower very fliort. The 

 teeth are all in one row in the jaw ; they are 

 pointed and numerous. The tongue is wedge- 

 Jhaped, with the Ikin a little convex on the fides. 

 The linea lateralis is bent, near the head it ap- 

 proaches the back, and is thicker thereabouts. 

 The feales are very fmall, and lie quite fingly. 

 The colour of the belly as far as the linea 

 lateralis is filver-coloured ; on each fide run 

 four blackifh lines lengthways. The back is 

 blueifh and very little elevated. The appen- 

 dages on the fides of the tail are very thin : 

 the firft dorfal fin from the head to the fecond 

 has fifteen hard radii or rays diftant from each 

 other, ten of the hinder rays ufually fold into a 

 furrow of the back after the death of the fifh. 

 The fecond dorfal fins confift of ten or four- 

 teen foft rays covered on the fides with little 

 griftly feales, hardly to be diftinguifhed. 

 The peroral fins are of an elliptical lanceola- 

 ted figure, and have twenty-eight rays, di- 

 vided at top, of which the lowed: are the 

 fhorteft. The ventral fins are long, with fe- 



ven 



