KONG. SV. VET. AKADEMIENS HANDLINGAR. BAND 35. N:0 7. 23 



Tintinnns acuminatus Clap. & Lachm. — January: central Noi-th 8ea r. Fehruary: 

 r W. of Sk. November: r S.W. of Norway. December: M. rr. 



T. bottiiifus NoRDQUiST. — April: Sk. r. Mny: M. r, V. r. 



»Steriiliaarstatoblast» Hensen. — November: N. of Scotland r. 



Cystoflagellata. 



Noctilnca miliaris Surir. — Jnly — Aiu/nst: very cominon W. of .Tutland. Oetober: 

 V. rr. November: r W. of .Tutland; M. rr. 



Silicoflagellata. 



Dictyoclia fibula Ehr. — Oetober: V. rr. November: rare N. of the Dogger Rank, 

 W. and N. of Jutland. 



Disteplianus speculnm Eiib. — Oetober: M. and V. rr. November: W. of Scotland, 

 from Hollnnd to Sk., Vinga, M. everywhere rare. December: M. and V. rr. 



Radiolaria. 



Acantliofrliiasma fusiforme Hkl. — Februari: .57° N. 6° W. r. November: ronnd 

 Scotland. 



Acauthoinetrou catervatiini Hkl. {A. qundrifolium). — Jxini' and Jidy: not rare at 

 the Shetlands. September: V. r. Oetober: V. rr. November: rare east of Scotland, 58° 

 — 59°N. 0°E. 



A. pelliicidum J. Mull. — January: Dröbak rr (30 m.). February: rare in the 

 northern North Sea. 



Acanthonia Miilleri Hkl. — February: comraon N. of the Dogger Bank. July: the 

 Shetlands (200 — öO m.). November: N. of Scotland r. 



Challengeria xiphodon Hkl. — July: rare at the Shetlands (200 — öO ra.). , 



Collozoiim inerme J. Mull. — .Tuly: Shetlands (200 — 50 ra.) r. ' 



Hexalonche hexacaiitlia J. Mull. — .Tuly: Shetlands (200 — 50 in.) rr. 



Plectophora arachnoides Clap. & Lachm. — ■ January: central North Sea, Dröbak 

 (30 in.) and V. always rare. February: not rare above the limits between the 50- and 

 100-metre plateau of the bottom, V. r. Novem,ber: S. of Norway r, Vinga r. , 



Cliloropliyllacea*. 



Halosplispra viridis Schmitz. — January: central Skagerak to the west coast of 

 Sweden, rare to comraon, Dröbak r (30 ni.). Februnry: ronnd Scotland to Sk., raost 



