KONGL. SV. VET. AKADEMIENS HANDLINGAR. HAND 34. N:o 2. 1 '.I 



T. ventricosa Clap. iy Lachm. — Februari/: S. of Norway and above the Fisher 

 Bank r. Marek: Plym. +. April-May: Plym. +; central North Sea /•; Måseskär v. Augu t: 

 Plym. r; Helder c. September: Helder r. November: more or less common W. of Eng- 

 land to the N. of Scotland; 56° N. 5° E. + ; Skagerak r. December: Måseskär r. 



Tintinnns acuminatus Clap. & Lachm. (T. secatus Brandt). — July: Gullmarfjord r. 



November: SW. of Norway rr. December: Måseskär and Väderö rr. 



Radiolaria. 



Acanthochiasma fusiforme Hkl. — February: 58° N. 2° E. + . November: common 

 E. of Newcastle, whence it became rarer towards the Firth of Tay and to about 57 N. 2° E. 



Acanth ometron qiiadrifolium Hkl. — February: 58° N. 4° E. rr. July, August: 

 midway between the Shetlands and Norway r and between »Scotland and Norway +; W. 

 of Jutland to Skagen r; Skagerak r. September and November: Skagerak r. 



Acanthonia Miilleri Hkl. — July- August: 55° N. 6° W. rr. Gullmarfjord r. 



Plectophora arachnoides Clap. & Lachm. — January: Maseskär r. February: W. of 



Jutland and in the W. Skagerak rr. July: Gullmarfjord r. September: Väderö r. October: 

 Måseskär and Väderö r. November: SW. and S. of Norway, Skagerak, Väderö and Måse- 

 skär r. December: Väderö r. 



Rhizopoda. 

 Globigerina bulloides d'Orb. — May: 60° N. 1°E. r. 



Cystoflagellata. 



Noctiluca miliaris Surir. — April: 56° N. 6° E. r. Jane: Helder r. July, August: 

 Plym. r; off the Dutch coast cec; W. of Jutland (56° N. 8° E.) c. September: Helder + r. 

 October: Plym. c. November: Plym. r; N. of Jutland r. December: Plym. r. 



Silicoflagellata. 



Dietyocha fibula Ehb. - • February: 57° N. 5° E. r. April, May: 57° N. 1° E. r; 

 Måseskär r. July: Gullmarfjord rr. November: r at some spöts above the 50-metre 

 plateau of the North Sea, in the Skagerak and SW. of Norway. December: Måseskär r. 



Disteplianus speculum Ehb. — February: r at some spöts between Newcastle and 



S. Norway. April: Maseskär +. September to November: Skagerak r. 



