KONGL. SV. VET. AKADEMIENS HANDLINGAR. RAND 32. N:0 3. 



37 



C. tripos var. arctica Ehb. — I do not, as Dr. Aukivillius, include under this name 

 also the var. longijjes, which I find always easy to distinguish from the original form, 

 figured in the Microgeologie and by (/LApakÉde and Lachmann. The var. arctica occurs 

 frequently, soraetimes in iramense number, in the Labrador current, in Davis strait 

 and arouiid Spitzbergen (optimum salinity 34 p. m.). It belongs thus to the tricho- 

 plankton chiefiy, but occurs also in the sira-plankton. The var. longipes, on the con- 

 trary, is a more neritic form, which occurs in the spring along the whole Norwegian 

 coast-line, around Scotland and in Skagerak. It belongs to the northern neritic plankton. 



Surf ace : 



Da te. 



Lat. N. 



Long. 



Tenip. 



Sal. 



Pq. 



Pl. 



Dnte. 



Lat. N. 



Long. 



Temp. 



Sal. Pq. 



Pl. 



10 VI 



71° 10' 



21°31' E. 



6,71 



35,20 



7' 



c.s 



20 VIII 



81° 8' 



23° 35' E. 



0,71 



;;i2,84 r 



Vy 



10 VI 



71° 4-2' 



22°35' E. 



6,40 



35,15 



r 



TCS 



21 VIII 



80° 31' 



18°50' E. 



2,42 



33,93 



c 



NgT 



26 VII 



78° 13' 



7°30'E. 



5,34 



34,89 



r 



— 



24 viir 



80° 8' 



16°33' E 



3,44 



33,59 



r 



Ng 



36 VII 



77° 53' 



5°3'E. 



4,78 



34,57 



r 



((C)) 



25 VIII 



79° 53' 



11°23' E. 



2,77 



33,75 



r 



C{S)Ng 



30 VII 



78° 12' 



0° 17' W. 



4,59 



34,53 



-r 



(C) 



39 VIII 



77° 38' 



11°40' E. 



6 



34,89 



r 



ST 



1 VIII 



76° 36' 



13° 8' E. 



7,38 



35,12 



+ 



ST 



29 VIII 



77° 23' 



10° 53' E. 



5,55 



35,03 





ST 



3 VIII 



77° 46' 



26'18'E, 



1,23 



30,98 



c 



iCNg) 



31 VIII 



76° 13' 



13° 18' E. 



6,26 



35,15 





S 



4 VIII 



15 vm 



78° 18' 

 78° 38' 



9S° V 



9 19 



^^ (11 





Ng C 

 C 



1 TV 



76° 2' 



1 T 8' V 



6,61 

 5,52 



35,13 



35,01 





S T 

 ST 



34°30'E. 



1,52 



33,21 



+ 



2 IX 



75° 50' 



15° 32' E. 





16 VIII 



78° 27' 



33°30' E. 



1,52 



33,46 



+ 



NgC 



2 IX 



75° 24' 



16'47' E. 



5,64 



35,12 





T{S) 



18 VIII 



79° 55' 



32°10' E. 



— 0,58 



33,21 



+ 



NgC 



3 IX 



74° 43' 



16°42' E. 



7,24 



35,17 



+ 



T{S) 



20 VIII 



81° 14' 



22° 50' E. 



1,18 



33,42 



r 



T 



4 IX 



73° 36' 



18° 50' E. 



7,06 



35,03 



c 



S (Vs) 



20 VIII 



80° 45' 



26° 40' E. 



0,13 



33,20 



1- 



{A'l/) 

















C. tripos var. hiieephala Cl. 







Surf ace: 







1 



Date. 



Lat. N. 



Loiig. 



Temp. 



Sal. 



Fq. 1 Pl. 



27 V 

 5 IX 



57° 50' 

 71° 57' 



6°E. 

 19° E. 



8,70 

 9,08 



33,69 

 34,96 



1 

 r i Tp Ns 



r : Tp(Ns) 



C. tripos var. liorrida Cl. 



Surf ace: 



Date. 



Lat. N. 



Long. 



Temp. 



Sal. 



Fq; 



PL 



31 V 



65° 19' 



8°20' E. 



8,35 



.35,34 



cc 



_ 



31 V 



65° 34' 



8° 45' E. 



8,83 



35,00 



+ 



Ns T 



2 VI 



68° 30 



13°10'E. 



7,55 



34,33 



c 



NsC 



2 VI 



68° 49' 



13°50' E. 



7,70 



34,16 



c 



CNs 



10 VI 



71° 10' 



21°31' E. 



6,71 



35,20 



r 



CS 



6 IX 



70° 23' 



20°32' E. 



9,37 



34,41 



c 



TpNs 



