y>0'l III ATOM ACI'.I': — r.U/lTOCKROS 



CHiETOCEROS FURCELLATUS IUil. 



(C.i.. Bih. Koiigl. Sv. Vetensk. Akad. Handl. Vol. XXII; 3 n. i PI. II fig. 7. Chan 

 Bibliotli. botan. Heft. 42 PI. f fig. 15, 16.) 



l!SU8 Mat/: 72' N. 11° W. ^7° N. 22' W.; Westmannao, common; 

 .")i) X. IIV W., common. 



Jane: t)7- N. 21- - 29 W.; 59 N. 19' W. to (19' N. '^y W.; 

 K. of Beeren Island; S. of. Spitzbergen. 



July: Westmannao, common; 7H^ N. H" W., rare. 



August: Westmannao, very common; 80^ N. 11"^ E. (not rare). 



Scptrnihrf: fi9° N. .");! W.; rare. 

 1899 Mai/: Westmannao, rare. 



June: Westmannao, rare. 



July: 11"— 12° N. 21-— 22 W., rare; 71' N. 20 W, common; 

 80' N. 12- E , rare. 



September: IV-'— lb" N. 18" E,, rare. 



Temperature: 4. ,5, mean of 21 obs., max. IO.2, min. — l.s. 

 Salinity: 'M.o:-., mean of 22 obs., max. '-Vi-.n, min. 28.01. 

 Plankton-type. Arctic neritie form. It is noted from Kamt- 

 schatka. ■ — X(/. 



CH^TOCEROS GRANII Cl. 



(Cl. Kongl. Sv. Vet. Akad. Handl. Vol. XXXII n. 8 pag. 25). 



1899 June: 72'— 73° N. 18—19' E. 

 July: 71° N. 21" W. 



Temperature: 1 to 8.s6. 

 Salinity: 31.32 to 35. u-. 

 Plankton-type: -Xf/? 



CH^TOCEROS HIEMALIS Cl.i 

 (( ■ didijiium oar. Ci,. A Treatise on the Phyto plankton PI. I fig. 18.) 



1898 March: 58° N. 6° E. 



July: Westmannao, rare. 

 September: 76° N. 13° E., rare. 



' Since the above was written I have been convinced, that this species is 

 the same as C. hreri.-i SchCtt, whicli name has the priority. 



