14 P. T. CLEVE, THE PLANKTON OF THE NORTH SEA, ENGLISH CHANNEL ETC. 



VäderÖ and Måseskär c. November: round the British Islands and from Firth of Tay 

 across the North Sea to S. Norway and the Skagerak; Plym. rr; Helder +; Skagerak r. 

 December: Plym., Väderö and Måseskär rr. 



A. longiremis Lilljeb. — This species is stationary the whole year at the Färöes. 



January to March: Skagerak rr. April: Väderö and Måseskär er. May: some 

 points in the North Sea r; Skagerak r to +. June: Skagerak + to c. July- August: central 

 North Sea +; W. Skagerak + e. November: E. of Firth of Tay and Newcastle r to c; 

 Skagerak rr. December: Måseskär r to +. 



Auomalocera Patersonii Templ. — April: once at Måseskär r. May: 54° N. 5° W. r; 

 from 57°— 58° N. 3° E. to 58° N. 5° E. July- August: from 62° N. 0° E. to58°N. 6° E. + ; 

 56 — 57° N. 1° E. r; along the W. coast of Jutland r; Skagerak + tor. September: Ska- 

 gerak rr. October: Väderö +. 



Calanus finmarchicus Gunn. — January: Skagerak rr. February: above the 100 

 nietre plateau +. March: N. of Scotland r; Skagerak rr. April: Plym. c; Skagerak rr. 

 May: Plym. +; from the Irish Channel round Scotland, thence and from 60° N. 1° E. 

 across the North Sea to the SW. of Norway, where it occurred abundantly. June: 

 Plym. +; 59° N. 5° E. r; Skagerak + to r; Väderö c. July- August: Plym. + c; from the 

 Irish Sea to the Orkneys c; from Firth of Tay to Skagen + c; Skagerak c, r; from the 

 Dutch coast to Skagen r. September: Skagerak +. October: Plym. + r; Skagerak + r. 

 November: round Scotland +; from Scotland to Skagen r; Skagerak rr. 



This species occurred in January — April from the N. of Iceland to the Färöes and 

 was met with in March and April as far south as 37° N. 9° and 26° W., where it was 

 more or less rare. It was enormously abundant in May above the eastern slope of the 

 submarine ridge from Iceland to E. Scotland, but rare on the western slope. In June it 

 occurred in great abundance in the deeper layers from 74° N. 14° W. to 62° N. 1° E. 



Centropages hamatus Lilljeb. — January: Färöes; Helder r; Skagerak + c. February: 

 off the Dutch coast r; Väderö +. March: St Vaast + ; Väderö rr. April: Skagerak c, rr. 

 May: 58° N. 2° W.— 4° E. + r; SE. North Sea r; Skagerak c, r. June: Helder r; Skage- 

 rak + c. July- August: 58° N. 0° W. c; E. of Newcastle + ; Helder + r; W. coast of Den- 

 mark re; Skagerak c, r. September: Väderö r +. November: Dogger Bank r; Skagerak rr. 

 December: Skagerak + c. 



This species occurred as a rule more abundantly at Väderö than at Måseskär. 



Centropages typicus Kröyer. — January-February : Plym. r, W. of Den mark to 



Skagerak r, Väderö rr. March: Plym. +, Väderö rr. April: Plym. +. May: Plym. r; 

 58° N. 4° E. +. June: Plym. + r. July- August: Plym. r\ Hebrides +; area between 61° N. 

 2°E., 55 34' X. 0°59'E., 56° N. 7° E. and Skagen more or less comnion; Skagerak r to c. 

 September: Plym. rr; 59° N. 5° E. +; Skagerak r to c. October, November: Måseskär and 

 Väderö c. 





