FIGURES 21 - 29 



Fig. 21. Peridinium depressum var. parallelum Broch. A, "resting" position; B, 

 ventral view; C, riglit side view; D, apical view. Magnification: x 230. 



Fig. 22. Ventral views of four specimens of P. depressum var. parallelum Broch. 

 Magnification: x 230. 



Fig. 23. Frequency distribution of a classes in 108 random specimens of P. depressum 

 Bailey and var. parallelum Broch. 



Fig. 24. Frequency distribution of a/d classes in 108 random specimens of P. depres - 

 sum Bailey and var. parallelum Broch. 



Fig. 25. Peridinium depressum var. rectius n.var. A, apical view; B, right side view; 

 C, ventral view. Magnification: x 230. Type specimen from station 32. 



Fig. 26. Peridinium depressum var. convexius n.var. A, C, apical and ventral views 

 of type specimen from station 14; B, ventral view of specimen from station 16; D, *ntral 

 view of specimen from station lb. Magnification: x 230. 



Fig. 27. Peridinium depressum f. bisintercalares n.f. A, B, ventral views of two 

 specimens; C, apical view of A; D, apical view of B. Magnification: x 230. A, C, type 

 specimen from station 13. 



Fig. 28. Peridinium depressum f . multitabulatum n.f. A, ventral view; B, apical view. 

 Magnification: x 230. Type specimen. 



Fig. 29. Peridinium claudicanoides n.sp. A-C, ventral, right side, and apical views of 

 same specimen; D-F, ventral, left side, and apical views of a second specimen; G, H, ventral 

 views of two other specimens. Magnification: x 230. A-C, type specimen from station 2 (S. 14); 

 D-F, from station 3 (S.19); H, from station 2 (S. 14); G, from station 1-A (S. 5). 



104 



