44 



m, transfer contents of bottom tow-net to large jar of sea- 

 water labelled "bottom tow-net," and put aside in 

 laboratory, 



n, take again the observations noted under b, c, d, e, f, 

 and g, at other end of Station, 



o, examine trawl contents, and sort out the fishes on one 

 side and the invertebrates on the other, 



p, look over invertebrates and note on form a rough 

 approximation to numbers of the prevalent common 

 forms such as star-fish, common crabs, zoophytes, 

 &c, which can be identified at a glance (these may 

 then be shovelled overboard), 



q, transfer any rarer or unusual invertebrates, or anything 

 which for any reason requires further examination, to 

 jars of clean sea-water, or if the examination cannot 

 be made at once, to jars of methylated spirit to be 

 forwarded to the laboratory at Liverpool, 



r, separate out the different species of fish and note on a 

 form, the species, numbers, sizes, and remarks about 

 condition, 



s, pick out a few of each species, small individuals as well 

 as large, and transfer them to a tub through which 

 sea-water is circulating (by means of hose and waste 

 pipe), and leave them there for half-an-hour in order 

 to test vitality, 



t, if experiments on migration are being carried on, pick 

 out for the purpose some of the more lively fish, 

 attach numbered tags to them and record on a form 

 number, fish, size, date, and locality, and then return 

 them to sea, 



u, examine as many of the remaining fish as there is time 

 for, noting the following on a form, species, size, sex, 

 condition of reproductive organs, and contents of 

 stomach, 



