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Report on the Investigations carried on during 1901 in 

 connection with the Lancashire Sea - Fisheries 

 Laboratory, at University College, Liverpool, and the 

 Sea-Fish Hatchery at Piel, near Barrow. 



Drawn up by Professor W. A. Herdman, F.R.S., Honorary 

 Director of the Scientific Work ; assisted by Mr. Andrew 

 Scott, Resident Fisheries Assistant at Piel ; Mr. James 

 Johnstone, B.Sc, Fisheries Assistant at Liverpool; and 

 Mr. Frank J. Cole, of University College, Liverpool. 

 With Eleven Plates. 



Contents. 



1. Introduction and General Account of the Work - - 109 



2. Sea-Fish Hatching at Piel 122 



8. Note on the Ph) T sical and Chemical characters of our Sea 



Waters 128 



4. Memoir on the Common Plaice ..... 145 



Introduction and General Account of the Work. 



The work of the past year has been chiefly : — 



(1) The hatching operations and other similar work car- 

 ried out at Piel by Mr. Andrew Scott ; 



(•2) Laboratory investigations by Mr. Johnstone at Liver- 

 pool, chiefly this year upon the Plaice ; 



(3) Some investigations upon the chemical and physical 

 characters of the sea-water of our district ; 



(4) The work of the Circulating Fisheries Exhibition ; and 



(5) The Practical Laboratory Classes for Fishermen. 



Some of these matters which can be treated shortly I 

 shall remark upon here, the others will be discussed more 

 fully in the separate sections that follow. 



We have aimed at having in each of these Annual 

 Reports, in addition to a short account of the work of the 



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