( 69 ) 
IV. Some Particulars of the Natural History of Fishes found 
in Cornwall. By Mr. Jonathan Couch. Communicated by 
Sir James Edward Smith, M.D. F.R.S. Pres. L.S. 
Read February 19, 1822. 
SxzvrRAL years have passed since I began to collect informa- 
tion respecting the Fishes which have been met with in the Cor- 
nish waters; and my materials, drawn principally from personal 
investigation, became so considerable, that I announced my in- 
tention of speedily submitting them to the public attention. But 
circumstances, over which I have little control, have hitherto 
frustrated the design; and not seeing a probability of its being 
soon put in execution, I desire to lay the following sketch before 
the Linnean Society. I omit an account of those habits and 
instincts of the subjects of this communication, which are ge- 
nerally known, that I may not trespass unnecessarily on the 
attention of the Society. 
APODAL FISHES. 
MURENA. 
Eel. M. Anguilla.—The Eel may be considered as a migra- 
tory fish. The young ones as soon as they are produced 
(which in the sphere of my observation is always within the 
reach of the tide) begin to advance up the river; and to 
accomplish this object, overcome difficulties of an extraor- 
dinary 
