32 P. T. CLEVE, PLANKTON-RESEÄRCHES. 



Ptychocylis oMusa Brandt. — 1901 March, Norw. 74° N. 20° E. c. — Ng. 



Ptychocylis uvnula Claparéde and Lachman. — 1901 Janvary, V. r + +. M. or. 



February, V. + ro. Norw. 63°— 64° N. 0°— 6° E. r; 68° N. 13°— 14°E. n i/arcA, Norw. 

 72°— 73°N. 19°— 23°E. r. April, V. + + o. M. orr. May, Atl. area 62° N. 0° E., 63° N. 

 3°W. and 68° N. 13° E. + to r. November, E. of Scotland-England. V. oro. December, 

 V. rrr. M. orr. R.Sg. r. Nh. r. 



1902 .January, V. +. M. +. February, sparingly in the area between Firth of 

 Forth, S.W. Norway and Skagen. Skagerak everj^where but sparingly. April, V. oro. 

 May, not rare W. of Scotland, at 55°44' N. 0°37' E. and from 57° N. 7° E. to Skagen. 

 V. roo. June, V. roo. — Jsfs. 



»Sternhaarstatoblast» Hensen. — 1901 April, M. roo. 



1902 February, North Sea 57° N. 4° E. rr. May, M. roo. — Ns. 



Tiutinnopsis beroidea Stein. — 1901 January, V. rr. M. or. February, V. or. 

 Ajiril, M. o?T. May, M. rro. August, Firth of Forth r. October, V. oor. November, 

 W. and N. of Jutland. November, V. roo. M. r. December, M. 7'oo. 



1902 January, V. r. February, Orkneys r, W. of the Danish peninsula from the 

 Elbe to Skagen r. Vinga r. M. roo. March, M. oor. May, r west and north of Jut- 

 land. M. roo. — Ns. (Nm.). 



Tintinnopsis campanula Ehrenberg. — 1901 July, M. orr. August, sparinglj? in the 

 mouth of the Elbe, north of Jutland and along the Swedish coast from M. to Koster. 

 Sejjtember, V. r. M. oor. October, V. rrr. M. ror. November, from Holland to Jutland 

 r. V. roo. 



1902 July, M. r + +. V. rr +. Ramsö in a haul from 200 m r. — Nm. 



Tintinnus acumiiiatus Clapakede and Lachman. — 1901 January, M. or. Febru- 

 ary, Norw. 63° N. 2° - 5° E. r. August, Vinga very rape in 40 — 50 m. October, V. rrr. 

 M. oro. November, sparingly at some points between Scotland and Skagerak. V. roo. 

 December, V. oro. M. ror. R.Sg. r. 



1902 February, area between Firth of Forth, 58° N. 0° E. and 55° N. 8° E. spa- 

 ringly. Gullmarfjord r. May, very sparingly at 56° N. 2° E. and 57° N. 9° E. — T. 



Radiolaria. 



Acanthochiasma fusiforme Haeckel. — 1901 November, off Newcastle r. — S. 



Acanthonietvou pelhicidum J. Muller. — 1901 April, V. oro. August, r west of 

 Denmark. October, V. oro. November, W. and N. of Jutland r. December, V. rrr. M. 

 roo. R.Sg. r. Nh. r. 



1902 January, V. r. February.^ many spöts in the area between the Orkneys, Firth 

 of Forth, 55° N. 0° E. and Skagen, r. Skagerak everywhere, 120 — O m. r to c. — S. 



