FIGURES 30-36 



Fig. 30. Peridinium oceanicum Vanhoffen. A, in "resting" position in bottom of drop 

 of mounting medium; B, apical view; C, ventral view; D, right side view. Magnification: x 230. 



Fig. 31. Frequency distribution of length classes in 82 random specimens of P. oceani - 

 cum and its variants. 



Fig. 32. Peridinium oceanicum var. tenellum n.var. A, apical view; B, right side 

 view; C, ventral view. Magnification: x 230. Type specimen. 



Fig. 33. Variations in body shape in P. oceanicum var. tenellum n.var. Magnifica- 

 tion: X 230. 



Fig. 34. A, B, C, ventral views of three specimens of P. oceanicum f. spiniferum n.f.; 

 D, apical view of A; E, apical view of C. Magnification: x 230. A, D, from station 13 (S. 85); 

 B, from station 13 (S. 86); C, E, from station 13 (S. 85). 



Fig. 35. Peridinium oceanicum f. bisintercalares n.f. A, apical view; B, ventral view. 

 Magnification: x 230. Type specimen. 



Fig. 36. Peridinium oceanicum f. tricornutum n.f. A, ventral view; B, antapical view. 

 Magnification: x 230. 



106 



