15 
also be useful during the remainder of the year for many 
other purposes.* 
In the special parts of this Report which follow will be 
found: —Mr. Scott's account of the hatching operations 
at Piel, with a description of the new apparatus he has 
devised for keeping the water in motion: Mr. Johnstone's 
statistics of the Mersey Shrimping Grounds: a report 
upon the deposits on these grounds in relation to shrimps 
and young fish; a note on a new parasite in the plaice ; 
Mr. Scott’s memoir on the two Copepod Fish-Parasites ; 
and an article I have thought it well to write on the 
necessity for a more detailed examination of our fishing 
grounds, with an outline of a scheme of observational 
work for use on board the steamer, to which I desire to 
call the special attention of the Committee. 
W. A. HerpMAN. 
Universtry Couuecr, Liverroon, 
January, 1901, 
* These were referred to in detail in last year’s report, at p. 10 
