36 P. T. CLEVE. PLANKTON, COLLECTED BY THE SWEDISH EXPEDITION TO SPITZBEKGEN. 



DlnoflagellataB. 



Ceratium furca Duj 



Surf ace : 



Date. 



Lat. N. 



Long. 











Date. 







Teir.p. 









Temp. 



Sal. 



Fq. 



Pl. 



Lnt. N. 



Lonsr. 



Sal. 



Fq. 



Pl. 



27 V 



57° 50' 



6°E. 



8,70 



33,G9 







31 V 









34,07 



»■ 



Ns Tp 



-)- 



Tp Xs 



65° 47' 



9° 10' E. 



9,01 



28 V 



58° 14' 



4°40'E. 



8,8 



31,83 



+ 



Ns Tp 



1 VI 



66 42' 



1U° 30' E. 



8,53 



34,G9 



c 



T Tp Ns 



29 V 



60° 13' 



4° 24' E. 



8,35 



33,32 



+ 



Ns Tp 



2 VI 



68° 30' 



13° 10' E. 



7,55 



34,33 



4- 



NsC 



30 V 



62° 41' 



5°E. 



7,47 



33,12 



7' 



Ns Tp 



2 VI 



68° 49' 



13° 50' E. 



7,70 



34,16 



+ 



C Ns \ 



30 V 



63° 13' 



5° 15' E. 



8,17 



34,53 



+ 



Tp Ns 



4 IX 



72° 43' 



18= 43° E. 



8,8 



35,01 



c 



Tp Ns 



30 V 



63° 52' 



6° 5'E. 



8 



34,53 



c 



Tp Ns 



5 IX 



71° 57' 



19° E. 



9,08 



34,96 



?■ 



Tp (Ns) 



31 V 



65° 19' 



8°20'E. 



8,35 



35,34 



)• 



— 



5 IX 



71° 14' 



19°38'E. 



9,40 



34,92 



c 



Tp Ns 



31 V 



65° 34' 



8° 45' E. 



8,83 



35,00 



+ 



Ns T 



6 IX 



70° 23' 



20°32'E. 



9,37 



34,41 



G 



Tp Ns 



C. fusus Duj. 



Surf ace : 



Date. 



Lat. N. 



Long. 



Temp. 



Sal. 



Fq. 



Pl. 



Date. 



Lat. .\. 



Long. 



Temp. 



Sal. 



Kq. 



Pl. 



27 V 



57° 50' 



6°E. 



8,70 



33,69 



+ 



Tp Ns 



31 V 



65=47' 



9° 10' E. 



9,01 



34,67 



v 



A's Ti) 



28 V 



58° 14' 



4° 40' E. 



8.8 



31,83 



r 



Ns Tp 



2 VI 



68° 49' 



13° 50' E. 



7,70 



34,16 



+ c As 



28 V 



58° 41' 



4° 34' E. 



8,30 



33,04 



r 



Ns Tp 



4 IX 



73° 36' 



18°50'E. 



7,06 



35,03 



)■ S(Ns) 



29 V 



60° 13' 



4°24'E. 



8,35 



33,32 



r 



Ns Tp 



4 IX 



72° 43' 



18°43'E. 



8,8 



35,01 



r 



Tp Ns 



30 V 



62° 41' 



5°E. 



7,47 



33,12 



7' 



Ns Tp 



5 IX 



71° 14' 



19'38'E. 



9,40 



34,92 



+ 



Tp Ns 



30 V 



63° 13' 



5°15'E. 



8,17 



34,53 



+ 



Tp Ns 



6 IX 



70° 33' 



20°32'E. 



9,37 



34,41 



r 



Tp Ns 



31 V 



65° 34' 



8°45'E. 



8,83 



35,00 



r 



Ns T 

















C. liueatiim Ehb. (= C. furca v. baltica Moebius). 



This form cannot be coiisidered as a raere variety of C. furca, and is always easy to recognize. It 

 belong-s to the styliplaiikton of the warmer Atlantic, botli in tlie East and tlie West. C. furca seems on the 

 contrary to be confined to the east Atlantic. 



"Suvface: 5 IX. Lat. N. 71° 50'. Long. E. 19° 2'. Fq. rr. 



C. tripos NiTZSCH. 



Surf ace : 



Date. 



Lat. N. 



Long. 



Temp. 











Lnt. N. 



Long. 



Tcnip. 



Sal. 



Fq. 



Pl. 



Sal. 



Fq. 



Pl. 



Date. 



27 V 



57° 50' 



6°E. 











1 



8°45'E. 



8,83 



35,00 



)• 



Ns T 



8,70 



33,69 



+ 



Tp Ns 



31 V 



65° 34' 



28 V 



58° 14' 



4°40'E. 



8,8 



31,83 



c 



Ns Tp 



31 V 



65° 47' 



9° 10' E. 



9,01 



34,67 



+ 



Ns Tp 



28 V 



58° 41' 



4°34'E. 



8,30 



33,04 



c 



Ns 'Tp 



1 VI 



66° 42' 



10°30'E. 



8,53 



34.69 



<= 



T Tp Ns 



29 V 



60° 13' 



4°34'E. 



8,35 



33,32 



c 



NsTp 



4 IX 



72° 43' 



18°43'E. 



8,8 



35,01 



■ + 



Tp Ns 



29 V 



61° 40' 



4° 20' E. 



7,05 



33,47 



+ 



Ns Tp 



4 IX 



72° 29 



18°48'E. 



8,87 



35,04 



+ 



Tp Ns 



30 V 



62° 41' 



5=E. 



7,47 



33,12 



c 



Ns Tp 



5 IX 



71° 57' 



19° E. 



9,08 



34,96 



+ 



Tp (Ns) 



30 V 



63° 13' 



5° 15' E. 



8,17 



34,53 



cc 



TpNs 



5 IX 



71° 14' 



19°38'E. 



9,40 



34,92 



c 



Tp Ns 



30 V 



63° 52' 



6° 5'E. 



8 



34,53 



c 



Tp Ns 



6 IX 



70° 23' 



20° 32' E. 



9,37 



34,41 



+ 



Tp Ns 



31 V 



65° 19' 



8°20'E. 



8,35 



35,34 



+ 



p 

















