112 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Station and Date. — Hensen Net Stations, Aug. 29 and Sept. 18, 1907. 



Net used 



Depth in fathoms 

 Catch in com. ... 

 Station 



10-0 

 26 



I. 



LO-0 

 28 



II. 



10-0 



28 



111. 



Asterionella bleakeleyi 





— 



750 



— 



— 



;,( )i » 



Biddulphia mobilensis 



18,000 



— 



31,000 



— 



— 



1.000 



,, aurita 



— 



— 



1,000 



12,500 



500 





Chsetoceros contortum ... 







,, debile 



2,000 



750 







5,000 









„ decipiens 



5,000 



— 



1.500 



— 



500 







„ sociale 







1,000 



2,250 



325,000 



170,000 





,, teres 



1,000 



1,000 



7,500 



75,000 



3,000 





,, densum 



110,000 



185,000 



63,750 



150,000 



3,000 



500 









6,750 



7,500 



2,500 





„ subtile 



— . 



— 





2,500 







Coscinodiscus concinnus ... 



0,000 



5,000 



250 



35,000 



4,700 



1,000 



Ditylium brightwellii 



— 



— 



1,500 



— 



— 



— 



Eucampia zodiacus 



500 



5,000 



— 



— 



70,000 



1,000 



Leptocylindrus danicus ... 



1,000 



150,000 



750 



10,000 



2,000 



— 



Melosira borreri 



— 



— 



— 



5,000 

 5,000 



500 

 500 





Lauderia borealis 





Rhizosolenia semispina ... 



71,000 



— 



173,000 



250,000 



5.000 



3,500 



„ setigera 



3,500 



5,000 



— 



— 



— 



— 



„ shrubsolei . . . 



190,000 



165,000 



9,750 



12,500 



2,500 



3,500 



„ stolterfothii 



2,500 



— 



1.500 



2,500 



500 



2,000 



Biddulphia granulosa 



1,500 



— 



2,750 



— 



— 



, — 





500 

 1,000 



— 



250 



5,000 



— 





,, rhombus 







Coscinodiscus radiatus 



7,500 



— 



5,500 



10,000 



1.000 



— 



Guinardia flaccida 



285,000 ::.8(HHMHi 



34,500 





3,000 



171,000 





3,000 



300,000 



750 



37,500 



9,000 





Bacillaria paradoxa 









12,500 





— 



Nitzschia seriata 



1,000 







3,000 



12,500 











Streptotheca thamensis . . . 



— 



— 



1,500 



— 



— 



— 





500 

 71,000 



2,000 



250 



12,500 



1,000 





Ceratium furca 







,, fusus 



690,000 



31,000 



124,000 



225,000 



6,000 



1,000 





140,000 



2,625 



7,000 



170,000 



10,000 



2,500 



Peridinium sp 



2,000 





250 



10,000 



1.500 



1,000 



Trochiscia sp 



3,750 



370 



7,700 









Distephanus sp 



1,000 













Tintinnopsis sp 



3,000 







2,500 







Noctiluca miliaris 



27,000 



183,000 



54,000 



22,500 



140.000 



138.000 



Pleurobrachia pileus 



1 







2 



2 



8 



Medusoid gonophores 



20 



37 



5 



200 



160 



15 



Plutei of Echinoderms 



1,510 



— 



— 



1,250 



— 



— 



Sagitta bipunctata 



40 



300 



5 



1,000 



700 



300 



Larval Polychaeta 



3,100 



200 



3,750 



7,800 



560 



530 



' Mitraria ' 





15 

 37 



500 





3 



200 



Crab zoea 





„ megalopa 



2 



Mysis stage of Crangon . . . 



— 



37 



2 



— 



1 



75 



Podon intermedium 



— 



— 



— 



40 



20 



5 





Calanus helgolandicus 



4 



Pseudocalanus elongatus 



20 



300 



5 



— 



— 



— 



Temora longicornis 



230 

 100 



1,400 

 110 



350 

 310 



160 

 60 



160 



60 



2,500 



Centropages hamatus 



400 



Anomalocera pattersoni ... 



— 



— 



— 



— 



1 



— 



Acartia clausi 



130 



600 



125 



100 



500 



900 



Oithona similis 



2,530 

 50 



5,000 

 700 



520 

 10 



12,500 

 1,000 



11,400 

 4,000 



16,000 



Paracalanus parvus 



2,300 



Isias clavipes 





900 



20 







20 



30 



Copepod nauplii 



15,000 



35,000 



12,800 



20,000 



6,500 



3,500 



iuv 



6,000 



55,000 



8,215 



7,500 



175,000 



18,500 



Gasteropods, larval 



500 





750 



1,250 







Lamellibranchs, larval 



500 



1,000 



4,250 



2,500 



4,500 



3,500 



Oikopleura sp 



1,580 



4,000 



3,000 



2,560 



1,000 



3,400 



Ascidian eggs 



1,500 



370 









100 



