92 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
JULY. 
Coarse net, 9 5 Fine net, 9; Vertical net,9; Bay official | "30 Henle. 
> an + Ox Sy 0; Bay special j 
Bay. SPECIAL. 
Coarse. Fine. Vertical. Coarse. Totals. 
Rockling eggs Sere) 32 1 82 404 
Sprateggs ... a 2 2 0 1 5 
Topknot eggs Same 0 8 0 23 147 
Totals =... 407 42 1 106 556 
Three special hauls in addition to the official collections 
in the bay were taken in July. The number of species of fish 
represented in the plankton by their eggs has been reduced by 
half compared with June. The number of eggs captured in the 
21 horizontal surface hauls show a very marked increase over 
the record of the previous month. This may be due to one 
or two causes,—(1) either to a prevailing westerly drift into 
the bay, or (2) the finer and warmer weather had induced the 
spawning adults to come nearer the shore, and the eggs have 
had less chance of being widely scattered in the area. The 
whole of the surface collections averaged 26°4 eggs each. The 
bay coarse nets captured 45-2 eggs, and the fine nets 4°6 eggs. 
The three special collections averaged 35°3 eggs per haul. 
One coarse net collection contained 132 rockling eggs and 12 
topknot eggs. 
AUGUST. 
Coarse net, 9; Fine net, 9; Vertical net, 9; Bay official 
uf 26: 2 .3 26; : a 0; Bay special 85 hauls 
- 4; i 2; By 0; 2 and 3 miles out 
Bay. OUTSIDE. 
Coarse. Fine. Vertical. Coarse. Fine. Totals. 
Rockling eggs ... se ROS 59 2 0 Lo ee 
Mackerel eggs ... ae 9 ay 0 0 9 
Totals ... sat a aS 59 2 0 1 180 
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