46 r. T. CLEVK, PLANlvTON-KESEAKCHES. . 



Chsetoceros tlitlynius liriEENBERG. — 1901 January, V. + + ?'; M. ro. August, Viiiga 

 40 — 50 m r, M. oo +. September, V. c. M. rr +. October, V. er +. M. occ. Novem- 

 ber, comiiion at 57° N. 6° E. and N. of Skagen. V. c + o. M. +. December, V. oor. 

 R.Sg. r. Nh. r. 



1902 January, M. r. February, 57° N. 6° W. r, W. and N. of Jutland r. Skagerak 

 r, i\i Vinga 85 — 50 ni. +, O m. v, in the fjords sparingly. April, V. oro. May, M. oro. 

 V. rrr. June, V. roo. — Nm. 



Chsetoceros furcellatus Bailey. — 1901 April, Norw. 69° N. 14°— 18°E. c to +. 



— Ng. 



Chjetoceros balticus Cleve. — 1901 January, V. oro. March, V. o + o; M. r. 

 Aj)ril, M. coo. May, M. roo. 



1902 May, V. oro. June, V. roo. — Ns. 



A coarser form has been called by rae C. Granii, biit Mr. Osterfeld bas proved 

 their identity. 



Clisetoceros laciiilosus Sciiutt. — 1901 January, V. roo. March, V. orr; M. +. 

 April, M. oro. Norw. 69° N. 14°— 18°E. c to +. May, Norw. 62° N. 1° E. c, 68° N. 13° 

 E. r. June, M. or. September, V. r. October, V. crr. M. oo +. November, N. of Jut- 

 land r. V. c + o. December, V. ror. M. ?Tr. R.Sg. r. 



1902 January, M. r. February, N. of Jutland. Along the coast of Sweden more 

 or less common, in the fjords r to +. V. c + +. M. c + c. Mardi, V. txr. M. + or. 

 Ap)ril, M. o +. V. r + +. J/ay, r N. of Jntland. M. r + r. V. om Jzme', M. r. V. 

 roo. — Ns. 



ChsEtoceros Schiittii Cleve. — 1901 January, V. crr. July, M. rcc. August, spa- 

 ringly W. of Schleswig. Skagen r, Vinga in 40 — 50 in. r. M. rrc. September, V. c. M. 

 + cc. October, V. ccc. M. c + c. November, sparingly from Firth of Forth to the 

 Dogger bank and Skagen, where rnost common. V. c + o. M. c. 



1902 February, sparingly in the area from 58° — 55° N. 3° E. to N. Jutland. April, 

 M. oc. V. oc +. May, M. + co. V. ccr. — Nm. 



Cliaetoceros scolopendra Cleve. — 1901 January, V. roo.- Mardi, V. oor; M. r. 

 April, V. roo. M. oro. May, roo. June, M. ro. August, M. oor. September, V. r. ^-^o- 

 vember, Skagen r. V. oro. M. r. December, V. + rr. M. rr?'. R.Sg. ?\ 



1902 January, M. r. February, N. of Jutland r. Vinga 85 — 50 m. c. Along the 

 coast of Sweden more or less sparingly. In the fjords c to +. M. ccc. V. + + +. 

 Mardi, V. rrr. M. + + o. April, M. + o. V. r + o. il/ay, r at 56°— 57° N. 2° E. 

 M. 7V0. — Ns. 



Cliaetoceros septentrionalis Ostrup. — 1901 March, V. oro; M-. r. — A^*. 



