POLE. 



229 



bercles ; lateral line straight, and extending, as in all tlie 

 other species of Platessa, to the end of the membrane con- 

 necting the caudal rays. The colour of the body uniform 

 yellowish brown ; the edges of all the fins darker : when 

 dried for preservation, the colour of the skin of the body 

 becomes clove brown ; that of the fins, brocoli brown. 



The vignette below represents the Thames Peter-boat 

 rigged with a fore-sail and main-sail, as used by the fisher- 

 men about Greenwich, and from thence along the course of 

 the river downwards. 



