SEA- FISHERIES LABORATORY. 443 



REPORT ON THE EXAMINATION OF VARIOUS 

 MUSSEL BEDS IN LANCASHIRE AND WALES 

 DURING THE YEAR 1913. 



With Five Plates. 



By Jas. Johnstone, D.Sc. 



Contents. 



1. The Mussel Beds at Port Madoc 444 



2. The Mussel Beds at Aberdovey 447 



3. The Mussel Beds at Barmouth 452 



4. The Ribble Mussel Beds 457 



5. The Roosebeck Mussel Scar 463 



6. Preliminary Bacteriological Analyses 463 



A proposal has been made by the Joint Committee 

 during the present year to obtain a Regulating Order 

 enabling them to supervise the collection and storage of 

 mussels in the estuaries in Cardigan Bay; and in con- 

 sequence of this proposal inspections of these shellfish 

 beds and analyses of mussels taken from them have been 

 made. I visited the Port Madoc area in May, 1913, and 

 met Mr. Casson and Captain Pritchard who accompanied 

 me in the inspection of the estuary. In June I visited 

 Aberdovey, and in July Barmouth, being assisted on 

 each occasion by Captain E. Lewis, he Eishery Officer in 

 charge of the district. Also, in October, some com- 

 plaints were received by Dr. Jenkins with regard to the 

 Mussel Beds in the Ribble Channel near Lytham, and 

 he and I visited this area, where I collected samples for 

 analysis. Mr. Scott visited Roosebeck in October. 



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