SEA-FISHERIES LABORATORY. 207 



18.— Port Erin Bay, April 10th, 1907. 



Net used, Surface LAI II.A I.B1 I.B2 I.B3 II. Bl II.B2 



Catch in c.cm 14 8 7 8 8 10*5 125 



Biddulphia mobiliensis 5,000 



Chaetoceros contortuni 15,000 



„ decipiens ... 2,000 



„ teres — 



„ diadema ... — 



Coscinodiscus concinnus 2,000 



Eucampia zodiacus — 



Rhizosolenia semispina 500 



Thalassiosira gravida ... — 



„ nordenskioldii 3,500 



subtilis 8,000 



Lauderia borealis 500 



Trochiscia, sp — 



Acanthometra sp 30 



Ceratium furca — 



„ fusus 1,500 



tripos 200 



Peridinium sp 500 



Medusoid gonophores ... 150 



Plutei of Echinoderms 100 



Sagitta bipunctata — 



Larval Polychaeta 150 



"Mitraria " 200 



Crab zoea — 



Mysis stage of Crangon 5 



Podon intermedium 20 



Evadne nordmanni 10 



Calanus helgolandicus ... 60 



Pseudocalanus elongatus 780 



Temora longicornis 100 



Centropages hamatus ... 20 



Acartia clausi 70 



Oithona similis 350 



Anomalocera juv — 



Paracalanus parvus — 



Copepod nauplii 11,500 



juv 2,250 



Barnacle nauplii 850 



„ cypris stage 12 



Oikopleura sp 1,800 



Fish Eggs — Rockling ... ■ 1 



Common Dragonet ... — 



Cod 1 



Green cod — 



Bib 1 



Whiting 2 



Flounder — 



Dab — 



Lonjr rough dab — 



Sailfluke^ — 



Sprat — 



Young Fishes — 



Pleuronectid 1 



1,500 



1,500 



500 



3,000 



1,500 



4,000 



20,000 



20,000 



15,000 



50,000 



90,000 



20,000 



— 



1,000 



2,000 



5,000 



6,000 



— 



— 



500 



500 



500 



500 



— 



150 



— 



— 



1,500 



500 



— 



1,000 



1,500 



500 



2,000 



200 



3,500 



500 



1,000 







500 



500 



1,000 



1,000 



— 



— 



— 



500 



500 



— 



10,000 



4,000 



4,000 



32,000 



28,000 



6,000 



6,000 



3,000 



2,000 



6,000 



9,000 



4,000 



250 

 50 



— 



500 



4,000 



1,000 



500 



150 







50 



25 







— 



100 



— 



250 



250 



150 



250 



500 



— 



250 



500 



200 



500 



2,000 



— 



250 



500 



250 



100 



500 



500 



500 



1,000 



150 



3 



60 



70 



50 



15 



180 



100 



— 



— 



250 



500 

 2 



— 



5 



60 







50 



120 



150 



50 



— 



100 



1 



— 



200 

 5 



— 



3 



10 



30 



1 



— 



15 



2 



20 



20 



10 



— 



15 



30 



100 



30 



35 



. — 



60 



30 



300 



150 



50 



35 



480 



30 



70 



50 



60 



35 



100 



10 



30 



4 



10 



— 



15 



30 



80 



50 



150 



30 



90 



100 



200 



100 



250 



300 



200 



10 



10 



— 



— 



25 



60 

 12,000 



500 



2,500 



3,500 



500 



1,000 



75 



750 



900 



350 



100 



2,000 



50 



460 



270 



150 



10 



1,230 



4 



8 



10 



2 



1 



10 



250 



1,300 



950 



700 



230 



2,000 



6 



1 



— 



1 



8 

 1 



— 



2 



1 



— 



1 

 1 



1 



1 



1 



— 



1 



3 



3 

 3 



— 



— 



— 



— 



— 



1 



1 

 1 



