181 



Report on the Investigations carried on during 1904 

 in connection with the Lancashire Sea-Fisheries 

 Laboratory at the University of Liverpool, and 

 the Sea-Fish Hatchery at Piel, near Barrow. 



Drawn up by Professor TV. A. Hekdman, F.R.S., Honorary 

 Director of the Scientific \York ; assisted by Mr. 

 Andrew Scott, A.L.S., Eesident Fisheries Assistant 

 at Piel; and Mr. James -Johnstone, B.Sc, Fisheries 

 Assistant at the Liverpool Laboratory. 



("With plates, charts and figures in the text.) 



Contexts. 



1. Introduction and General Account of the Work. (W. A. H.) 181 



2. Sea-Fish Hatching at Piel. (A. S.) - - - - - 189 



3. Classes, Visitors, &c, at Piel. iA. S.) - - - - 198 



4. Eeport on Plankton. (A. S.) - - - - - - 196 



- 5. Trawling Observations and Eesults. (J. J.) - - 216 



6. Bacteriological investigations. (-J. J.) - - - 212 



7. Experiments on Marking Living Fishes. (J.J.) - - 271 



8. Internal Parasites and Diseased Conditions of Fishes. (J. J.J 278 



9. Abnormally Scaled Flounders. (J.J.) - - - - 301 



10. Experiments on Lobster Hearing. (H. C. Chadwick) - 301 



11. Appendix — Discussion of Local Official Fishery Statistics. 



(J. T. Jenkins.) 



INTRODUCTION AND GENERAL ACCOUNT 

 OF THE WORK. 



Ors. first words this year must be those of sorrow and 

 regret for the loss of our late Superintendent of Fisheries, 

 Mr. Robert A. Dawson. This is not the place to attempt 

 an appreciation of Mr. Dawson's character or a summary 

 of his work, but he has been so intimately associated with 

 the Lancashire Sea Fisheries since the beginning that it 

 would be unnatural, even in this purely scientific report, 

 to leave the death of our colleague unrecorded. Members 

 of the Committee are no doubt thoroughly familiar with 

 Mr. Dawson's work as an administrator and as an official ; 



