xii THE SEA FISHERIES 



FACIHG PAGE 



Barking the herring nets ....... 



Drift-netting for herring, eighteenth century (Diderot — Encyclopedic) 

 Old print showing method of drifting for herring {circa 1750) 

 A Fleetwood steam trawler .... 



net from carts at 



127 

 146 

 146 

 147 



Cart-shanking, i.e. fishing for shrimps with a shank 



Southport .......... 194 



Push-netting for shrimps off Blackpool . . . . . .195 



Stake nets (hose nets) set for shrimps ...... 195 



Eggs and young larvae of the shrimp . . . . . .198 



Newly hatched larvae of shrimp . . . . . . .198 



Mussel fry attached to seaweed . . . . . . .199 



The second larval stage of the barnacle (magnified) . This stage which 

 often covers the bottom of boats, etc., is often taken by the 

 fishermen to be the young stage of the edible mussel . . . 199 



Contents of crop of herring gull shot on the cockle beds at Flookburgh . 202 



The arrow-worm (Sagitta) 203 



Peridinium plankton (Peridinium and Ceratium) .... 203 



Musseling at Morecambe (two views) ...... 208 



A stake net ........... 209 



Half-decked cutter trawling for the so-called prawn (Pandalus montagui) 



off Fleetwood ......... 209 



Larval crustacean constituents of the plankton — 



(a) First larval stage (Zoea) of the crab ..... 228 



(6) Second larval stage (Megalopa) of the crab .... 228 



(c) First larval stage (Nauplius) of the barnacle. .... 229 



Jelly-fish constituents of the plankton (Pleurobrachia and Beroe) . 229 



Stages in the development of the fiounder .... 232-233 



Chart showing migrations of marked plaice in the Irish Sea . . . 242 



Cockling near Flookburgh, in Morecambe Bay. The boy is using the 



instrument known locally as the " Jumbo " .... 243 



A marked plaice .......... 243 



A Government spawn-taker on a Gloucester fishing schooner (U.S.A.) . 252 

 Arrangement for hatching the buoyant pelagic ova of sea fish at 



Boothbay Harbour Hatchery, United States of America . . 253 



