KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 36. N:0 8. 51 



1902 Januari/, V. r. Februari/, N. of Jutland r. The fjords of Sweden r. April, 

 M. ro. V. or. May, M. rr +. V. ccc. .June, M. c V. rco. Jidy, M. ccc V. rrr. 

 The fjords ccc. — 6', Nm. 



This species occurs in the Bay of Biscay and the temperate Atlantic between 40° 

 — 50° N., drifts west of the British Islands into the northern Atlantic, some years towards 

 Spitzbergen. It was found abundantly in September 1899 in about 50 ra. below the 

 surface at 62°— 65° N. 1° W.— 1° E. It was found 1901 in August E. of the Orkneys 

 and ^A'. of Skagen. It appears almost regularly durin g the suminer in the Baltic current 

 and then in great abundance. 



RMzosolenia hebetata Bailey. — 1901 Fehritary, Norw. 64° N. 0°— 1°E. r. 

 1902 February, North of 8kagen very rare in 120 — 60 m. — '? T. 



Rhizosoleiiia seuiispina Hensen. — 1901 January, V. rco; M. + r. February, V. 

 ooc; Norw. 64° N. 5°— 1° E. r +. Mardi, V. + cc. A/ml, M. cc +. May, M. roo. Atl. 

 area from 67° N. 11°W.— 1°E. to 63°— 64° N. 2°— 5° W., not rare in the west, rare in 

 the east. Octoher, V. o + r. M. oor. November, W. of the Danish Peninsula r. V. r + +. 

 December, V. + re. M. oc +. Nh. +. 



1902 January, M. r. February, S. of Norway, N. of Jutland. Vinga c. Along 

 the coast and in the fjords of Sweden r. April, M. or. V. rrr. May, W. of Scotland. 

 Area between Newcastle, Sylt and Skagen, r to c. M. + ro. V. orr. June, V. + or. — T. 



Rhizosoleiiia setigera Bhightwell. — 1901 January, V. ror; M. ro. April, V. oor. 

 M. ror. October, V. rrr. M. oor. November, from the mouth of the Scheldt to Skagen r. 

 Y . + ro. December, V. ror. M. o + r. 



1902 January, M. r. February, N. of Jutland r. Vinga +. Central GuUmarfjord 

 +. March, V. roo. M. ror. Ajyril, M. rr. V. rrr. May, r N. of Jutland. V. roo. — 

 Nvi, Åls. 



Rhizosolenia Shrubsolei Cleve. — 1901 .January, V. roo. .June, M. or. August, 

 sparingly W. of Scotland, common east of the Firth of Forth; very common from the 

 Scheldt to S. Jutland and thence sparingly to Skagen and M. October, V. rrr. Novem- 

 ber, from the mouth of the Scheldt to Skagen, most abundant in the south. V. r + r. 

 December, V. rrr. R.Sg. r. Nh. r. 



1902 February, sparingly at 58° N. 2° E., 56° N. 1° W., 55° N, 0° E. and N. of 

 Jutland. N. of Skagen in 120 — 60 m. r. May, Orkneys r. From Lirafjord to Skagen c. 

 M. coo. V. orr. June, V. ror. July, M. + ro. Y. ror. — Nm. 



Rliizosolenia Stolterfothii Peragallo. — 1901 January, V. + oo. August, common 

 \V. of Scotland, rare E. of Scotland, sparingly betAveen the Scheldt and the Elbe. November, 

 more or less sparingly in the area between Firth of Forth, 54° N. 5° E. and N. of Jutland. 

 V. oro. December, V. roo. M. roo. Nh. r. 



1902 May, off the coast of Holland and at 56°— 57° N. 1°— 3° E. M. roo. — Nm. 



