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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. 



Several 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. 



MuRyENA. 



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 



