'2 'l'2 l)lN()FI,A(iIiM.ATA';— DlXOI'ilVSIS 



DINOPHYSIS OVUM SihOtt. 

 (D. Peridineen d. Plankton-exp. PI. I lig. 6.) 



1898 Aiiiju^l: 41° N. 58" and 72" W 

 Octobrr: n° N. 59° W. 



1899 Jamtanj: Ho X. 9 W. 



Mnrrlr. 35° N. 1()° W.; 37 N. 2(i W. 



Temperature: 19. i, mean of li obs., max, 25.5, min. 15..;. 

 Salinity: oi-.Ki, mean of 5 obs., max. 36.47, min. 31.oi. 

 Plankton-type: s. ? 



DINOPHYSIS SACCULUS Steix. 

 (Org. d. Infusionsth. PI. XX fig. 10—12.) 

 1898 June: 40"— 42' N. 10^—9^ W. 



temperature: 14.k— 15.8. 



Plankton-type. Found in the Mediterranean. ;\Iy specimens 

 occurred in Styli-plankton, and as no specimens were found in the 

 open Atlantic, this species may be considered as neritic. — X/n. 



DINOPHYSIS VANHOFFENI (Ostkxf. 



(/). rjranulala Cl. K. Sv. Vet. Akad. Handl. Vol. XXXII n. 3 pag. 39 PI. IV fig. 7 



a small form). D. urala V.vnhoffen Gronl.-Exp. II PI. V. fig. 7. /). Vunhi^lfciil 



()sTE^F. lakttagelser etc. 1898 pag. 69.) 



1898 May: area between 57° N. 28° W., 61° N. 23° W . and 60° N. 



10° W., rare. 

 June: Westmannao to 60° N. 4" — 8 W., as a rule rare, but 



common at 63° N. 10° W.; 57° N. 34°— 5-2° W., as a rule 



rare; Disco, rare. 

 Julij: 63°— 65° N. 14°— 21° \V., rare; 58° \. 41° W., rare; 



78° N. 0° W.— 5" E. 

 AiifiuM: 64° X. 21° W.; (iO" N. 3° W.; (ilr N. 37° W'.; W. of 



Greenland 66- — 69" N. 55° — 53^ W., everywhere rare; 80 



—81° X. 19°— 30° E., rare. 



Ostenfeld's data used. 



