MARINE BIOLOGICAL STATION AT PORT ERIN. 



61 



from the s.y. " Ladybird," of the sea immediately around 

 tlie south-west corner of the Isle of Man. The region in 

 which we worked measured (see map, fig. 4) ten miles 

 from east to west (out to sea) and rather less 

 from north to south (along the coast), but the 

 area investigated was really much more limited 

 than these numbers indicate, since the samples 

 were taken from onlv two " off-shore " stations, one five 



5. — Petersen-Hensen net going Fig. 6.— Petersen-Hensen net coming 



down open. up closed. 



miles and the other ten miles out from Bradda Head ; and 

 from three " alongshore " stations, one to the north 

 towards Niarbyl, one to the south towards the Calf 

 Island, and one in the " southern sea " off Spanish Head 

 — all in water of much the same depth, about 20 fathoms, 



