KopoiD. — New Species of Dinoflagellates. 



PLATE 7. 



Fig. 41. Heterodinium praetextum, sp. nov., dorsal face. X 405. 



Fig. 42. Heterodinium hindmarchi forma maculata, f. nov., ventral face. X 405. 



Fig. 43. Heterodinium calvum, sp. nov., ventral face. X 405. 



Fig. 44. Heterod in! 117)1 longum, sp. nov., ventral face. X 405. 



Fig. 45. Heterodinium fides, sp. nov., dorsal face. X 405. 



Fig. 46. Heterodinium laticinctum, sp. nov., view of right side. X 405. 



