Class IV. GREY SALMON. 395 



doubt.* It has teeth in the upper and lower 

 jaws, and two rows on the tongue. The back, 

 and sides above the lateral line, are of a deep 

 grey color, marked with numerous roundish, 

 cruciform, or crescent shaped, purplish, or 

 dusky spots. The lateral line is strait ; below 

 that prevails a lucid silvery color. Rays of the 

 first dorsal fin are eleven, of the pectoral eleven, 

 ventral nine, anal nine. 



We do not know that this fish enters the 

 Conwy, or any other river between that and the 

 Dee; but from the Conwy towards the south- 

 west, and south, along the coast of Caernarvon- 

 shire, and Meirioneth, to South Wales, it is 

 by no means uncommon; in the latter it is 

 called the Sewin. — Our observant ancestors in 

 North Wales distinguished it, by the name of 

 Gwynlad (gwyn iddj white- pate, from the sal- 

 mon, which they called Gleisiad, (glds idd) ; a 

 term exactly corresponding with Cyanocepha- 

 lus or blue-cap, a name given to the salmon (for 

 it can be no other species) under some particu- 

 lar circumstances, as Willughby tells us. 



H. D.| 



* Wil. Ichthyol. p. 193. 



f The editor is indebted to the reverend Hugh Davies for the 

 revision and additions to this article. Ed. 



