24 P. T. CLEVE, THE PLANKTON OF THE NORTH SEA AND THE SKAGERAK. 



abundant at 58° N. 7°— 3°E.; M. r. April: E. of Skagen and W. of Jutland rr. Octoher: 

 V. rr. November: i-ound Scotlaiid to the mouth of the Skagenik; M. and V. rr. De- 

 cember: M. -)-, V. r. 



Dinofl.ngellatfP. 



Ceratinin buccphaliini (-l. — January: M. r. February: W. of Scotland; more or 

 less rare from Newcastle to Sk.; M. r. April: N. of the Dogger Bank. June: the Shet- 

 lands, not rare. .July — August: N. of Scotland r, S.W. of Norway r. September: M. aiid 

 V. r. October: V. rr. November: from E. Scotland to S. Norway and Juthmd, inost 

 abundant W. of Limfjord. Vinga (30 m.) r. December: M. rr, V. -)- r. 



C. fiirca DuJ. — January: central Skagerak r. February: W. of Scotland, from 

 Scotland and Newcastle to Sk., V. r. April: from the Dogger Bank to Sk. r. May: N.E. 

 of Scotland ■;■. .June: the Shetlands c. July — August: the Shetlands e, between Scotland, 

 NeAVcastle and Sk. as a, rule r. September: V. -(-. October: M. and V. rr. November: 

 W. and N. of Scotland, from Newcastle to S. Norway and W. of Jutland (maximum); 

 M. and V. r. December: M. +, V-, + r. 



C. fusus Du.T. — January: central North Sea r, V. r. February: W. and E. of 

 Scotla.nd ; area betAveen Newcastle, the mouth of the Scheldt and S. Norway, everywhere 

 sparingly. April: sparingly W. of the Danish Peninsnla. May: V. v. .June: the Shet- 

 lands ?■; V. r. July — August: the Shetlands (200 — 10 m.), M. r, V. r. September: M. r, 

 V. r. October: M. and V. rr. November: sparingly roiind Scotland, thence to the Dogger 

 Bank (where common), sparingly from Holland to Sk.; Vinga (30 m.) r, V. rr. Decou- 

 ber: M. rr, V. -\-rr. 



fl. lineatum Ehb. — April: rr off' the Dutch coast. October: V. rr. November: N. 

 of Jutland r, V. rr. December: M, and V. r. 



C. longipes Bail. — January: central Skagerak to M. and V., as a rule rare. Fe- 

 bruary: central North Sea r; V. r. Marc.h: M. rr. April: not rare from .56° N. 0° E. to 

 the Danish Peninsnla; Skagerak r, M. rr, V. cc. May: M. cc, V. c<u\ .June: the Shet- 

 lands cc, M. r, V. r. July— August: the Shetlands (200—50 m.); E. of the Firth of 

 Tay -|-; Dogger Bank and Fisher Bank r. October: M. and V. -f-. November: W. of 

 Scotland; N. of the Dogger Bank to Sk.; coast of Holland to Sk. everywhere rare, Vinga 

 (30 m.) not rare; M. and V. r-\-. December: M. and V. c. 



C. inacroceros Mmi. — January: rare in the central Skagerak and at Vinga. Fe- 

 bruary: as C. Tripos; M. r. Jipril: very rare in some spöts S. and S.W. of Norwa}'. 

 June: the Shetlands r; V. not rare. July — August: N. of Scotland to Norway (where 

 common) and Sk. (^vhere not rare); sparingly from the mouth of tlie Scheldt to Sk.; 

 M. e, V. c. September: M. and V. c. October: M. and V. c. November: sparingly W. of 

 Scotland and between Scotland and S. Norway, common N. of the Dogger Bank and W. 

 of Jutland; Vinga + (30 m.); M. rr, V. + r. December: M. a,nd V. r +. 



