90 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
than in March, but when the number of hauls are taken into 
account we find that there is a slight decrease in the average. 
The average for the whole of the horizontal coarse and fine 
surface nets is 68°6 eggs. Pelagic eggs were evidently more 
abundant outside the bay than inside. The bay collections 
averaged 50°2 eggs each, and the outside ones 137 eggs. The 
coarse surface nets worked in the bay captured 72:7 eggs each, 
and the fine nets 27°7 eggs. Outside the bay the coarse and 
fine nets averaged 224-4 and 49:4 eggs respectively. The 
pelagic eggs of the green cod (Gadus virens) were not observed 
in any of the April collections. The eggs of one of the topknots 
made their appearance in this month. The vertical hauls 
did not capture any eggs not represented in the surface col- 
lections either in March or April. The very few that were 
taken belonged to the most abundant of the series, and may 
well have entered the net just as 1t reached the surface. . 
MAY, 
Material: Coarse net, 9; Fine net, 9; Vertical net, 9 = 27 hauls. 
Coarse. Fine. Vertical. Totals. 
Rocklng eggs he a7 oes 64 13 1 78 
Whiting eggs ae is ie LO 3 1 21 
Cod eggs wal AM di 0 0 1 
Haddock eggs sie fos an fe 0 0 Eo 
Dragonet eggs ay fis ua 17 4 0 21 
Sprat eggs ... 60° 308 bial 20 0 5 25 
Topknot eggs te oe oe 21 4 2 27 
Totals... nets as ALN 24 9 174 
The usual official collections were taken in May. The 
figures show that a very considerable drop in the total number 
of pelagic eggs captured has taken place, and the averages 
are greatly reduced. The eggs of three species of fish have 
ceased to be represented, and two others take their place. 
The haddock is the most interesting of the two additions. The 
